Plz help me with questions 9&10. Show your work and explain how you got your answer so I understand because I just don’t understand this math we’re doing.

Plz Help Me With Questions 9&10. Show Your Work And Explain How You Got Your Answer So I Understand

Answers

Answer 1

Answer:

10.) 116.6

Step-by-step explanation:

10.) add 100^2 + 60^2 = c^2

10,000 + 3600 = c^2

√13,600 = √c^2

116.6 = c

hope this helps!!


Related Questions

Last month Rachel power walked 2 1/5 miles per day on each of the 10 days. During the same week, she also joggged 8 1/4 Miles per days on 3 days. What was the total number of miles Rachel power walked and jogged last month?

Answers

she went a total of 46.75 miles

What is an equivalent expression to (0.7g+0.6h-0.4)+(0.8-0.6h+0.5g)

Answers

Answer:

1.2g+0.4

Step-by-step explanation:

The equivalent expression should be 1.2g+0.4.

Given information:

The equation is (0.7g+0.6h-0.4)+(0.8-0.6h+0.5g)

Calculation of an expression:

= (0.7g+0.6h-0.4)+(0.8-0.6h+0.5g)

= 0.7g + 0.6h - 0.4 + 0.8 - 0.6h + 0.5g

= 1.2g + 0.4

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it is recommended that 13-year old girls get 45 milligrams of vitamin C each day . The table shows the vitamin C content of three foods . What precentage of the recommended amount will Ardis receive if she eats all of these foods in one day.

(Answers)
A 2.22
B 6.00
C 270
D 600

Answers

The answer is B. 600

Please help!!!! ASAP I’ll mark you as brainliest

Answers

Answer:

Vel_jet_r =  (464.645 mph)  North + (35.35 mph) East

||Vel_jet_r|| =  465.993 mph

Step-by-step explanation:

We need to decompose the velocity of the wind into a component that can be added  (or subtracted from the velocity of the jet)

The velocity of the jet

500 mph North

Velocity of the wind

50 mph SouthEast = 50 cos(45) East + 50 sin (45) South

South = - North

Vel_ wind = 50 cos(45) mph  East  -  50 sin (45) mph North

Vel _wind =  35.35 mph  East  -  35.35 mph North

This means that the resulting  velocity of the jet is equal to

Vel_jet_r =  (500 mph - 35.35 mph) North + 35.35 mph East

Vel_jet_r =  (464.645 mph)  North + (35.35 mph) East

An the jet has a magnitude velocity of

||Vel_jet_r|| =  sqrt ((464.645 mph)^2 + (35.35 mph)^2)

||Vel_jet_r|| =  465.993 mph

Write the expression as a polynomial, using the corresponding formula for special product: (−a+b)(b–a)

Answers

Answer:

  b² -2ab +a²

Step-by-step explanation:

The first factor can be rearranged to put the minus sign in the middle. Then you have

  (b -a)(b -a) = (b -a)² = b² -2ab +a²

___

If you like, you can also write this as ...

  a² -2ab + b² . . . . . . terms in lexicographical order

_____

The "special product" of interest here is the square of a binomial:

  (p +q)² = p² +2pq +q²

You have p=b, q=-a, so the result is as shown above.

Which inequality represents the interval of tenths that the square root of 14 lies between?

Answers

Answer:

3.7 < √14 < 3.8

Step-by-step explanation:

First approximation

9 < 14 < 16, so

3 < √14 < 4

Second approximation

14 is closer to 16 than to 9.

Is √14 between 3.7 and 3.8? If so, then

 3.7²  < 14 <   3.8²

13.69 < 14 < 14.44. TRUE

The inequality is 3.7 < √14 < 3.8.

Given circle assume that AB Is tangent to the circle and AD Passes through the center of the circle. If the circle has a radius of 5CM and AB is 6CM what is the length of the secant

Answers

Answer:

d. 2√34 cm

Step-by-step explanation:

Secant BD is the hypotenuse of right triangle ABD with legs given as AB = 6 cm and AD = 10 cm. Hence the Pythagorean theorem can be used to find BD:

BD = √(AB² +AD²) = √((6 cm)² +(10 cm)² = √136 cm = 2√34 cm

Find the sum of the first 12 terms of the arithmetic series 32+27+22+...

Answers

Answer:77

32+27+22+17+12+7+2-3-8-13-15-18=77

Answer:

54

Step-by-step explanation:

The first twelve terms would be, in decreasing order, 32, 27, 22, 17, 12, 7,2, -3, -8,-13,-18,-23.

1. -23+22 = -1

2. -13+12 = -1

3. -18+17 = -1

4. -8+7 = -1

5. -3+2 = -1

Using these five facts, we can simplify this to 32+27 -5(1) = 32+27-5 = 54

Which of the following ordered pairs represents a solution to the linear inequality y>2x-3

Answers

Answer:

D. (2, 5)

Step-by-step explanation:

On a graph, (2, 5) is the only point in the solution space.

___

You can evaluate the inequality for each of the points to see which works.

A. 4 > 2·4 -3 . . . . false

B. 12 > 2·9 -3 . . . . false

C. 2 > 2·3 -3 . . . . false

D. 5 > 2·2 -3 . . . . TRUE

Betsy, a recent​ retiree, requires ​$5000 per year in extra income. She has ​$70000 to invest and can invest in​ B-rated bonds paying 15​% per year or in a certificate of deposit​ (CD) paying 5​% per year. How much money should be invested in each to realize exactly ​$5000 in interest per​ year?

Answers

Answer:

$15000 in bonds, $55000 in a CD

Step-by-step explanation:

Let x represent the amount Betsy invests in the B-rated bonds (in thousands). Then she will invest 70-x in a CD. Her interest (in thousands) will be ...

0.15x + .05(70 -x) = 5

0.10x + 3.5 = 5 . . . . . . . eliminate parentheses, collect terms

x + 35 = 50 . . . . . . . . . . multiply by 10

x = 15 . . . . . . . . . . . . . . . subtract 35

Then 70-x = 70-15 = 55

Betsy should invest $15000 in bonds, and $55000 in a CD.

To achieve $5000 in annual interest, Betsy should invest $15000 in B-rated bonds and $55000 in CDs.

Betsy, a recent retiree, requires $5000 per year in extra income. She has $70000 to invest and is considering two options: B-rated bonds paying 15% per year and certificates of deposit (CD) paying 5% per year. To find out how much she should invest in each to realize exactly $5000 in interest per year, we can set up a system of linear equations.

Let x be the amount invested in B-rated bonds and y be the amount invested in CDs. The equations based on the investment and the total interest required would be:

x + y = $700000.15x + 0.05y = $5000

To solve this system, multiply the second equation by 100 to get rid of decimals:

15x + 5y = 500000

Now, we can multiply the first equation by 5 to get:

5x + 5y = 350000

Subtracting this from the modified second equation:

(15x + 5y) - (5x + 5y) = 500000 - 35000010x = 150000x = $15000

Plug the value of x back into the first equation:

15000 + y = 70000y = $55000

Betsy should invest $15000 in B-rated bonds and $55000 in a CD to achieve $5000 in annual interest.

Need help on this please

Answers

Answer:

The answer is -3t(t^4 - 6t² - 1) ⇒ third answer

Step-by-step explanation:

∵ -3t^5 + 18t³ + 3t

∵ The common factor is -3t

∴ -3t(t^4 - 6t² - 1)

The sum of three positive numbers is 1. The difference between the first and second numbers is equal to the third number, while their sum is five times as large as the third number. What is the smallest of these numbers? pls answer quickly, 99 pts

Answers

Answer:

  1/6

Step-by-step explanation:

The three numbers, a, b, c, satisfy the equations ...

a +b +c = 1a -b -c = 0a +b -5c = 0

Subtracting the last equation from the first gives ...

  (a +b +c) -(a +b -5c) = (1) -(0)

  6c = 1

  c = 1/6

Now, we know the sum of the first two numbers is 5/6 (five times the last), and the difference of the first two numbers is 1/6 (equal to the last). Then the least of the first two numbers is ...

  (5/6 -1/6)/2 = 1/3

and the third number, 1/6, is shown to be the smallest.

The smallest of these numbers is 1/6.

____

In order, the numbers are 1/2, 1/3, 1/6.

____

Comment on finding the second-smallest number

For ...

a +b = 5/6 . . . . . sum of the two numbersa -b = 1/6 . . . . . . difference of the two numbers

We can find b by subtracting the second equation from the first:

  (a +b) -(a -b) = (5/6) -(1/6)

  2b = 4/6 = 2/3 . . . . . simplify

  b = 1/3 . . . . . . . . . . . . divide by 2

Please note that half the difference of the sum and difference is the generic solution to finding the smallest in a "sum and difference" problem.

a similar figure compared to the original figure is ___ a translation. A.) sometimes B.) never C.) always D.) none of these choices will make a true statement ​

Answers

Answer:

A). Sometimes.

Step-by-step explanation:

Sometimes a translation  because it might be a rotation or a reflection.

Translation in geometry always results in a similar figure. Hence, the correct answer is C.

A similar figure compared to the original figure is **always** a translation.

Translation in geometry involves moving a figure without rotating or flipping it. When a figure is translated, all the points move in the same direction by the same distance. This means that a translation produces a figure that is congruent to the original figure.

In the equation kx^2 + 5x = 10k, find the other root if one root is -5.

Answers

Subtract 10k from both sides:

[tex] kx^2+5x-10k = 0 [/tex]

Assuming [tex]k\neq 0[/tex], divide both sides by k:

[tex] x^2+\dfrac{5}{k}x-10 = 0[/tex]

When you write a quadratic equation as [tex]x^2-sx+p [/tex], you know that the two solutions follow the properties

[tex]x_1+x_2=s,\quad x_1x_2=p [/tex]

So, in this case, we have

[tex]x_1+x_2=-\dfrac{5}{k},\quad x_1x_2=-10 [/tex]

Since we know that [tex]x_1=-5[/tex] we have:

[tex]\begin{cases}-5+x_2=-\dfrac{5}{k}\\ -5x_2=-10\end{cases}[/tex]

This system has solution [tex]k=\frac{5}{3},\ x=2[/tex]

Answer:

2

Step-by-step explanation:

One root = -5

We know ,

Product of roots = c/a-5 * x = -10k / k -5x = -10 x = 2

Other root is 2 .

I have a stat class review and what would be the letter choice for this scatter plot?

A Scatterplot with the least squares regression line is shown.
estimate the value to the nearest half unit

what is the observed value for X=3

A 1.5
B -1.5
C 4.5
D 6

Please any explanation helps im offering 25 pts:)

Answers

The observed value when x = 3, estimated to the nearest half unit is y = 4.5.

What is known as observed value?

The observed value is the actual value of the variable. The points on the regression line are called predicted values.

From the given image, we can observe that the value of y for which x is 3 is shown as somewhere between 4 and 5. The only value of y which lies between 4 and 5 in the given options is 4.5. It is the observed value.1.5, -1.5, and 6 do not lie between 4 and 5. Therefore, they are not the correct answers.

Therefore, the observed value of y when x = 3, estimated to the nearest half unit is y = 4.5. The correct answer is option C.

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a movie rental club charges a one time fee of $25 to join and $2 for every movie rented which equation could represent how much you would spend to join the club and rent movies for a year?

A c=12+25m
B c=25+2m
C c=12m+2
D c=25m+24

Answers

Answer:

The correct answer option is B. c = 25 + 2m.

Step-by-step explanation:

We are given that a movie rental club charges a one time fee of $25 to join and $2 for every movie rented.

We are to determine whether which of the given equations in the answer options represent how much you would spend to join the club and rent movies for a year.

The correct answer option is B. c = 25 + 2m.

One time charges = 25 plus $2 multiplied by the number of movies rented.

Any Help would be appreciated!!

Multiply.

(5 − 1)(6^2 + 3 + 7)

Answers

Answer:

184

Step-by-step explanation:

1st step

we simplify (5-1) which is just 4 and (3+7) which is 10

and we also simply 6^2 which is 36

now we plug the simplified terms back in

(4)(36+10)

(4)(46)

184

Answer:

184

Step-by-step explanation:

Subtract: 5 - 1 = 4

Power: 6 ^ 2 = 36

Add: 36 + 3 = 39

Add: 39 + 7 = 46

Multiple: 4 * 46 = 184

Please mark as brainiest

Mr. Burnam decided to go hot air ballooning for his fortieth birthday. He launches from 6 feet above ground and then ascends 12 feet further. He didn't want to leave his wife behind, so he descends 20 feet to meet her. Where does mr. Burnam end up?

Answers

Answer:

  2 feet below the ground level at the place where he started.

Step-by-step explanation:

After he adds 12 feet of elevation to the 6 feet above ground level where he launched, Mr Burnam is 6+12 = 18 feet above the ground level where he launched.

If he descends 20 feet, he will be 18 -20 = -2 feet above the ground level where he launched. That is, he is 2 feet below the ground level where he launched. We hope the ground slopes downward somewhat so Mr Burnam is not buried in the ground at that point.

Mr. Burnam ends up at 8 feet above ground.

To determine Mr. Burnam's final position, we need to consider each of his movements:

1. He starts from 6 feet above ground.

2. He ascends 12 feet further, so we add 12 feet to his initial height of 6 feet, which gives us (6 + 12 = 18) feet.

3. Then, he descends 20 feet to meet his wife. We subtract these 20 feet from his current height of 18 feet, which gives us (18 - 20 = -2) feet.

Since he can't be below ground, we adjust the calculation to reflect that he stops at ground level. Therefore, we take the absolute value of the result to find out how far above ground he is after the descent. The absolute value of -2 feet is 2 feet.

Now, we add this to the initial 6 feet from which he launched: (6 + 2 = 8) feet.

So, Mr. Burnam ends up at 8 feet above ground after all the ascending and descending.

Two friends live 27 miles apart. They left their houses at the same time and started to walk towards each other at 4 mph and 5 mph respectively. How soon did they meet?

Answers

Answer:

They meet in 3 hours

Step-by-step explanation:

Add 4 and 5, this gives you 9 miles an hour. Divide 27 by 9 and it results in 3 hours

A hot iron ball of mass 200 g is cooled to a temperature of 22°C. 6.9 kJ of heat is lost to the surroundings during the process. What was the initial temperature of the ball? (ciron = 0.444 J/g°C)

Answers

Answer:

99.7 °C

Step-by-step explanation:

The units of ciron tell us that in order to have °C in the numerator, we need to divide the heat loss by the product of the mass and ciron:

∆T = (6900 J)/(0.444 j/g°C × 200 g) = 69/0.888 °C ≈ 77.7 °C

This is the change in temperature as the ball cooled, so its initial temperature was ...

22 °C +77.7 °C = 99.7 °C

(-8/9) / (-2/3) * (-4 1/2) plz help urgent

Answers

Answer: (-6) is the answer for your question

The 5th picture with the question I need help with.

Answers

Answer:

Step-by-step explanation:

27

in a right circular cylinder of height 2 meters, if the volume is increasing at 10 m^3/min how fast is the radius of the cylinder increasing when the radius is 4in?

Answers

Given dimensions:

Height of the cylinder = 2 m

Volume is increasing at a rate of = 10 m³/min

Radius = 4 inches

Converting radius in meters.

1 inch = 0.0254 meters

4 inches = [tex]4\times0.0254=0.1016[/tex] meters

[tex]\frac{dv}{dt}=10[/tex]

we have to find, [tex]\frac{dr}{dt}=?[/tex]

Volume of the cylinder is given by [tex]\pi r^{2} h[/tex]

= [tex]\pi r^{2} *2 = 2\pi r^{2}[/tex]

Now differentiating with respect to 't'

[tex]\frac{dv}{dt} = \frac{d}{dt} (2\pi r^{2})[/tex]

[tex]\frac{dv}{dt} = 2\pi (2r)(\frac{dr}{dt})[/tex]

[tex]10=2\pi (2*0.1016)\frac{dr}{dt}[/tex]

[tex]10=2*3.14(0.2032)\frac{dr}{dt}[/tex]

[tex]\frac{dr}{dt}=\frac{10}{1.276}[/tex]

= 7.83 meter per minute.

Which answer is the explicit rule for the sequence11,8.5,6,3.5,1

Answers

Answer: - 2.5n+13.5

Explanation:

[tex]11 - 8.5 = 2.5 \\ - 2.5n \times 1 = - 2.5 \\ it \: is \: negative \: as \: the \: sequence \: \\ decreases\\ 11 - - 2.5 = 13.5 \\ - 2.5n + 13.5[/tex]

The explicit rule for the sequence 11, 8.5, 6, 3.5, 1 is to subtract 2.5 from the previous term.

To find the explicit rule, we look for a pattern in the sequence. We can see that each term is decreasing by a constant amount. Let's calculate the difference between consecutive terms:

- The difference between the second term (8.5) and the first term (11) is 8.5 - 11 = -2.5.

- The difference between the third term (6) and the second term (8.5) is 6 - 8.5 = -2.5.

- The difference between the fourth term (3.5) and the third term (6) is 3.5 - 6 = -2.5.

- The difference between the fifth term (1) and the fourth term (3.5) is 1 - 3.5 = -2.5.

Since the difference is constant and equal to -2.5, we can express the nth term of the sequence, [tex]\( a_n \)[/tex], as:

[tex]\[ a_n = a_{n-1} - 2.5 \][/tex]

where [tex]\( a_{n-1} \)[/tex] is the previous term in the sequence. To express this in terms of n, we need to find the first term of the sequence and then apply the pattern. The first term, [tex]\( a_1 \)[/tex], is 11. Since we are subtracting 2.5 each time, the nth term can be written as:

[tex]\[ a_n = a_1 - (n - 1) \cdot d \][/tex]

where [tex]\( d \)[/tex] is the common difference, which is -2.5. Substituting [tex]\( a_1 = 11 \) and \( d = -2.5 \)[/tex], we get:

[tex]\[ a_n = 11 - (n - 1) \cdot (-2.5) \][/tex]

[tex]\[ a_n = 11 + 2.5n - 2.5 \][/tex]

[tex]\[ a_n = 8.5 + 2.5n \][/tex]

Therefore, the explicit rule for the nth term of the sequence is:

[tex]\[ a_n = 8.5 + 2.5n \][/tex]

This rule gives us the terms of the sequence when we substitute n = 1, 2, 3, 4, 5, etc. For example, for n = 1:

[tex]\[ a_1 = 8.5 + 2.5(1) = 8.5 + 2.5 = 11 \][/tex]

which matches the first term of the sequence.

what is the sum of measurements of the interior angles of a 12-gon?​

Answers

Answer:

1800

Step-by-step explanation:

Given in the question a polygon of 12 sides

Formula to calculate sum of interior angles of 12-gon is

(n – 2)180

where n is the number of sides

which in this case = 12

plug values in the formula above

(12 - 2)180

12*180 - 180(2)

2160 - 360

1800

Sum of measurements of the interior angles of a 12sided polygon is 1800

Answer:

=1800°

Step-by-step explanation:

A 12 sided figure is called a do-decagon or a 12-gon. The general formula for calculating the sum of all interior angles of a regular polygon is=180(n-2)

n represents the number of sides of the polygon.

Therefore, the sum of all angles= 180(12-2)

=1800°

(8q+5)^2=64q^2+[]q+25
What is the missing value? []

Answers

Answer:

  80

Step-by-step explanation:

The square of a binomial is ...

  (a +b)^2 = a^2 + 2ab + b^2

You have a=8q, b=5, so the square is ...

  (8q)^2 + 2(8q)(5) + (5)^2

  = 64q^2 +80q +25

The coefficient missing from your given expression is 80.

in this right triangle the length of the hypotenuse, BC, is​

Answers

Answer:

  √13 units

Step-by-step explanation:

Find points B and C on the figure and locate the line between those points. The number next to the line is its length. Read the length from the diagram.

Final answer:

In a right triangle, the hypotenuse is the side across from the 90 degree angle. Without more information, we can't determine the length of the hypotenuse (BC), but if the lengths of the other two sides or the measurements of the other angles are known, the Pythagorean theorem or trigonometry can be used.  It is expressed as BC^2 = AB^2 + AC^2.

Explanation:

In a right triangle, the hypotenuse is the side that is opposite to the 90 degrees angle. In your right triangle, as you mentioned the sides as BC, I assume you have a triangle ABC where B and C are the two base angles and A is the right angle (90 degrees).

Without additional information such as the lengths of the other two sides (AB, AC), or the measurements of angles B or C, it is impossible to determine the length of the hypotenuse (BC). However, if you do have this information, you can use the Pythagorean theorem or trigonometric ratios to find the length. Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (BC) is equal to the sum of the squares of the lengths of the other two sides. It is expressed as BC^2 = AB^2 + AC^2.

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Two cyclists, Alan and Brian, are racing around oval track of length 450m on the same direction simultaneously from the same point. Alan races around the track in 45 seconds before Brian does and overtakes him every 9 minutes. What are their rates, in meters per minute?

Answers

Answer:

Alan: 200 m/minBrian: 150 m/min

Step-by-step explanation:

Let n represent the number of laps that Alan completes in 9 minutes. Then n-1 is the number of laps Brian completes, and the difference in their lap times in minutes per lap is ...

  9/(n -1) - 9/n = 3/4 . . . . . minutes

Multiplying by (4/3)n(n -1), we get

  12n -12(n -1) = n(n -1)

  12 = n(n -1)

Solutions to this are n=4 and n=-3. We are only interested in the positive solution, n = 4. Then Alan's speed in m/min is ...

  (4·450 m)/(9 min) = 200 m/min

Brian completes 3 laps in that 9-minute time, so his rate is ...

  (3·450 m)/(9 min) = 150 m/min

A friend bought 2 boxes and 8 notebooks for school, it cost him $11 He went back to the store the same day to buy school supplies for his younger brother. He spent $11.25 on 3 boxes of pencils and 5 notebooks. How much would 7 notebooks cost?

Answers

Answer:

  $5.25

Step-by-step explanation:

If the friend tripled the first purchase and subtracted twice the second purchase, he would have the cost of 3·8-2·5 = 14 notebooks. 7 notebooks would cost half that amount:

  (3·$11 -2·11.25)/2 = $5.25 . . . . . cost of 7 notebooks

How do I find The first figure is dilated to form the second figure.

Which statement is true?

A. The scale factor is 0.25.

B. The scale factor is 4.

C. The scale factor is 4.35.

D. The scale factor is 7.25.

Answers

Answer:

The marked choice is correct

Step-by-step explanation:

The scale factor is the ratio of the dimensions of the second figure to those of the first:

1.45/5.8 = 0.25

Answer:The scale factor is 0.25. Trust me, its right!

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