Mathematics High School

Solve for t. −5t≥65
a. t≥13
b. t≤13
c. t≤−13
d. t≥−13

Answers

Answer 1
−5t≥65
−t≥13
Multiply - throughout and change direction of arrow
c. t≤−13

Related Questions

What is the function

Answers

The graph shows us that the slope of f(x) is -2. Now we gotta find the slope of g(x) to compare it to that of f(x). The equation of g(x) is in slope-intercept form (y = mx + b, where m is the slope and b is the y-intercept), so the slope is given to us for that one as well: it's -6. A line with a slope of -6 will be steeper than a line with a slope of -3, therefore the answer is B - the slope of f(x) is less than the slope of g(x).
Hope this helps.

What is f(-4) if f(x)=|7x-3|

Answers

Substitute the given into the function

f(-4) = |7(-4) - 3|
now solve
f(-4) = |-28 - 3|
f(-4) = | -31| 
the absolute value of |-31| is 31
so, 
f(-4) = 31

Hope this helps :)
f(-4) means subsitute -4 for every x you see in the function

f(-4)=|(7(-4)-3|
f(-4)=|-28-3|
f(-4)=|-31|

|-31| means absolute value of -31 which just takes the distance the number is from 0 (or makes it positive if it is negative and leaves it alone if it is positive)

|-31|=31
f(-4)=31

When applying for a loan, you should _____.

Answers

you should also have a little money saved aside so that you can pay them the money you saved and then work for the rest of the money you need to pay off

sorry if im incorrect

n Monday, Elsbeth’s bank account balance was -$16.75. On Tuesday, she deposited a check for $5.72. On Thursday, she deposited $16.75. What is her new balance? -16.75 + (5.72 + 16.75) Use the commutative property to get: -16.75 + (16.75 + 5.72) Use the associative property to get: (-16.75 + 16.75) + 5.72 On Friday, Elsbeth deposited her pay check for $872.56. What was the account’s final total? -$866.84 $878.28 $895.03 $903.10

Answers

Start by writing out the costs; 

-$16.75+($5.72+16.75) 
=5.72 

$5.72 + $872.56= 878.28

Hope I helped :) 

Answer:

Option B. $878.28

Step-by-step explanation:

On Monday, Elsbeth's bank account balance was =  $-16.75

She deposited a check = $5.72

On Thursday, she deposited = $16.75

Her new balance = -16.75+( 5.72 + 16.75)

                            = $5.72

On Friday Elsbeth deposited her pay check for = $872.56

The account's final total = 872.56 + 5.72 = $878.28

Elsbeth's account's final total was $878.28.

Option B. $878.28.

1. Daniel served Dinner for table 14. The check came to $100. The customers tipped him 25%. How much was his tip?

2. Sammy served lunch for table 7. The total came to $55. The customers gave a 15% tip to Sammy. How much was his tip?

3. Cat served dessert for table 3 The total cost was $20. The customers give a tip of 12% to cat. How much was your tip?

At the Yum Yum Cafe , the waiters come binder tips and divide the total by the number of waiters. Today’s tip total is $132, and three waiters are working. How much money in tips does each waiter get?

Answers

Daniel, Sammy, and Cat receive $25, $8.25, and $2.40 respectively in tips. The total tip amount for the day is $132, and with three waiters working, each waiter gets an equal share of $44 in tips.

Calculating Tips for Waiters

To calculate the tip for each waiter, we will multiply the total bill amount by the percentage of the tip and then convert that percentage into a decimal. Here are the step-by-step solutions for each waiter:

Daniel's Tip: For Table 14, the bill was $100. A 25% tip is calculated as $100 x 0.25 = $25.

Sammy's Tip: For Table 7, the bill was $55. A 15% tip is calculated as $55 x 0.15 = $8.25.

Cat's Tip: For Table 3, the bill was $20. A 12% tip is calculated as $20 x 0.12 = $2.40.

To find out how much each waiter gets from the total tips, we add up all the tips: $25 + $8.25 + $2.40 = $35.65. Since the total tip amount for the day is $132, we divide this by the number of waiters working, which is three: $132 / 3 = $44. Therefore, each waiter gets $44 in tips.

Do the dimensions of 9 cm, 40 cm, and 41 cm form a right triangle? explain.

Answers

yea because 9^2 +40^2=41^2 this is the law

Please help me i really need help

Answers

f(5) = 12230.590464
f(10) = 9972.48954
9972.49/12230.59 = .815
1 - .815 = .185
every 5 years it loses 18.5% of it's value.

x(x+8) = 256 square yards
solve for x


im having a lot of trouble please help

Answers

We want to solve
x(x + 8) = 256

Expand the left side.
x² + 8x = 256
Collect all terms on the left side.
x² + 8x - 256 = 0

Solve with the quadratic formula.
x = (1/2)*[-8 +/- √(8² -4*1*(-256)) ]
   = -4 +/- (1/2)*√(1088)
   = -4 +/- 16.4924
x = 12.4924, or x = -20.4924

Answer: x = 12.4924 or x = -20.4924


Megan has a bag of beads. She uses 28 beads to make each necklace. She makes 12 necklaces. Megan has 135 beads left over.

Answers

If you are asking for how many beads she used in total for the 12 necklaces it is 
336. If you are asking how many beads she had before making the necklaces it is 471. If you are asking how many necklaces can she make with the leftover beads it is about 4. Hope this helps plz mark a crown. 

When multiplying numbers in scientific notation you blank the coefficients and substract the exponents?

Answers

For the sake of example, let's multiply the two numbers [tex]2.3 \times 10^5 [/tex] and [tex]3.5 \times 10^7[/tex] together. Altogether, we have:

[tex]2.3\times10^5\times3.5\times10^7[/tex]

Rearranging the expression, we can group the exponents and coefficients together:

[tex]2.3\times3.5\times10^5\times10^7[/tex]

Multiplying each out, we notice that since [tex]10^5[/tex] and [tex]10^7[/tex] have the same base (10), multiplying them has the effect of adding their exponents, which leaves us with:

[tex]2.3\times3.5\times10^{5+7}=8.05\times10^{12}[/tex]

The takeaway here is that multiplying two numbers in scientific notation together has the effect of multiplying its coefficients and adding its exponents.

Un número entero de tres dígitos es igual a 25 veces la suma de sus dígitos. Si los tres dígitos se invierten, el número que resulta excede al número dado por 198.
El dígito de las decenas en uno menos que la suma de los dígitos de las centenas y de las unidades. Encuentra el número.

Answers

La repuesta es 375，porque 3+7+5 es 15，y 15x25 es 375. Tambien el digito de las decenas es uno menos que la suma de los digitos de las centenas y de las unidades.

Julie yard is rectangular.One side of the yard is 100 feet wide. The total area of the yard is 3,000 square feet. What is the length of the other side of the yard?

Answers

Area= length x width
Divide area by width to find missing side
3000➗100= 30
The other side is 3O feet .

What number is 30% of 150?.

Answers

Here is your answer:

30% of 50=45

Your answer is 45 because...

150/x=100/30
(150/x)*x=(100/30)*x
150=3.33333333333*x
(3.33333333333) to get x
150/3.33333333333=x
45=x
x=45

Your answer is...
x=45

What is the equation in point slope form of the line that passes through the point (−1, −3) and has a slope of 4?

y−1=4(x−3)
y+3=4(x+1)

Answers

I agree with the second answer. Was this correct?



The following triangle FOX is transformed using a rotation: Triangle FOX is shown. F is at negative 1, 1, O is at negative 2, 3, X is at negative 3, 0. Which could be coordinates of F'O'X' after the rotation? (4 points)

Answers

I think it is 1,1,O but I don’t think you should believe me because I don’t know this very well

The answer is F=(1,1), O=(3,2), X=(0,3)

PLEASE HELP

simplify the expression

2. 10r^(-7)t^3

Answers

10r^(-7)t^3
= 10t^3 / r^7

hope it helps

Graph ƒ(x) = -x + 2. Click on the graph until the graph of ƒ(x) = -x + 2 appears.

Answers

f(x) = -x + 2 is a reflection across the x-axis and a phase shift two units up.

The last graph is correct, with the points at (0,2) and (2,0)

Answer with Step-by-step explanation:

We have to graph f(x) =  -x + 2

When x=0 , f(x) = 2

When f(x)=0 , x=2

Hence, the graph passes through the points:

(0,2) and (2,0)

So, the correct graph of f(x) = - x + 2 is the last one which is shown below

If inflation is 4% a year compounded annually, what will it cost in 20 years to buy a house currently valued at $75,000.00?

Answers

1.04^20=2.2
75000*2.2=$164334 as the value of the house in 20 years
☺☺☺☺

Compound interest is the interest that is made from the principal and the interest as well in consecutive years.

The cost of the house in 20 years valued currently at $75,000 is $1,64,250.

What is compound interest?

Compound interest is the interest that is made from the principal and the interest as well in consecutive years.

The formula for amount compounded anually:

A = P [tex](1 + \frac{R}{100})^{n}[/tex]

We have,

Principal = $75,000

Rate = 4%

Time = n = 20 years

The amount after 20 years:

A = P [tex](1 + \frac{R}{100})^{n}[/tex]

A = 75,000 [tex](1 + 0.04)^{20}[/tex]

A = 75,000 x [tex]1.04^{20}[/tex]

A = 75,000 x 2.19

A = $1,64,250

Thus,

The cost of the house in 20 years valued currently at $75,000 is $1,64,250.

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If y = 2x - 3, then which of the following ordered pairs lies on the graph?

Answers

2,3 would be one of the odered pairs that you could use, unless the answers are different than that. Hope I was a help to you!

which of these ordered pairs is a solution to the inequality 4x+y>-6

Answers

The ordered pair is (1, -1) a solution to the inequality 4x+y>-6. which is the correct answer would be option (C).

What is inequality?

Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.

We must determine if the inequality holds for a certain set of ordered pairs in order to determine which ordered pairs constitute the answer to the inequality.

We have been given inequality is:

⇒ 4x + y > -6

Option (A) (1, -12)

⇒ 4x + y > -6

Substitute x = 1 and y = -12 in the inequality, we get

⇒ 4(1) + (-12) > -6

⇒ -8  > -6

This is false.

Option (B) (0, -9)

⇒ 4x + y > -6

Substitute x = 0 and y = -9 in the inequality, we get

⇒ 4(0) + (-9) > -6

⇒ -9  > -6

This is false.

Option (C) (1, -1)

⇒ 4x + y > -6

Substitute x = 1 and y = -12 in the inequality, we get

⇒ 4(1) + (-1) > -6

⇒ 3  > -6

This is true.

Hence, the correct answer would be an option (C).

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Jackson can lay 6000 ft² of tile in 3 h. What is Jackson’s tile-laying rate?

Answers

divide 6000 by 3

6000 / 3 = 2000

 so he can do 2000 sq ft per hour

The answer by musiclover10045 is correct - 2000 is the answer. I got it right on my quiz.


Lester has sold $51 worth of sports drinks at his concession stand today. Each drink sells for $3. He hopes to sell at least $300 worth of drinks over the course of the entire day. Let x be the number of drinks he will sell over the rest of the day. Which inequality precisely represents the condition of Lester meeting his goal?
A.51 + 3x ≥ 300
B.51 + 3x > 300
C.3x ≥ 300+ 51
D. 3x > 300 + 51

Answers

First you should evaluate the givens. We know that so far Lester has sold $51 of drinks. Every drink costs $3 and he wants to sell at least $300 worth of drinks at the end of the day. x represents the number of drinks he wants to sell, which must be at least $300. Now we can put this into an inequality.

Since Lester wants a minimum of $300, he needs the amount to be equal to or greater than 300, because if it were any less he would not meet his goal.

> 300

Every drink costs $3, and x represents the number of drinks he needs to sell to get at least $300. Multiplying 3 and x together will give us the rest of the $300 answer.

3x > 300

We cannot forget that Lester already has $51, however, so we will add this to the amount of money from the rest of the drinks he needs to sell.

51 + 3x > 300

This makes A. our final answer. I hope my explanation made sense!

Estimate the decimal factors, then multiply to estimate the product.

1. 5.3 rounded to the nearest whole number is ____ .

2. 7.9 rounded to the nearest whole number is ____ .
3. (5.3)(7.9) ≈ ____ .

Answers

1) 5
2) 8
3) you can easily look that up i wouldn’t know it off the top of my head

Answer:

1. 5

2. 8

3. 40

Step-by-step explanation: So rounding the factors is an easy way to estimate the product of 5.3 and 7.9.

The real answer is 41.87 and 40 is a reasonable approximation, Your welcome.

Which of the following are the factors of t4 – 81? A. (t – 3)(t + 3)(t2 + 9) B. (t – 3)2(t + 3)2 C. (t – 3)(t + 3)2 D. (t2 – 9)(t2 – 9)

Answers

The answer is letter D
I am pretty sure the factors of t4 - 81 is D

The sum of 6 consecutive odd numbers is 204. What is the fourth number in this sequence?

Answers

204 /6 = 34

29 +31 +33 + 35 +37 +39 = 207

4th number = 35

The fourth number is 35

The number 1.258201... can be classified as which of the following? Select all that apply. Real, rational, irrational, whole, integer ,natural
Its a multiple choice question

Answers

It is real and irrational.

The decimal does not terminate and the decimal pattern does not repeat, so the number can not be rationalized.

The number can be classified as both real and irrational

The given number:

= 1.258201

A real number is any  number that can represent a distance along a line

A rational number is a real number that can be expressed in form a ratio, it usually have terminating decimals.

An irrational number is any real number that cannot be expressed in form of ratio, it doesn't have terminating or repeating decimals.

A whole number does not contain fractions, it is usually positive integers.

Integers are whole numbers that includes negative and positive numbers.

The given number is a real number but it doesn't contain terminating or repeating decimals. Hence it is irrational number.

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Calvin cleans 3/5 of his bathroom with 1/3 of a bottle of cleaning solution how much solution would he use if he cleaned the whole bathroom

Answers

The answer is:  "5/9 of a bottle" .
_________________________________
Explanation:
______________________________________________
(1/3) / (3/5) = x / (5/5) ;  solve for "x" ;  in which "x" is the number of bottles used to clean the whole bottle;

Rewrite as:

(1/3) / (3/5) = x / (1) ;

Rewrite as:  (1/3) / (3/5) = x ;

 {since "x / 1 = x" ;  since any value, divided by "1", results in that same value}.
_________________________________________
 (1/3) / (3/5) = x

 (1/3) / (3/5) = (1/3) * (5/3) = (5*1) / (3*3) = x = 5/9 .
_________________________________
The answer is:  "5/9 of a bottle" .
_________________________________
The whole bathroom means 1.
Next, what we have to do is compare the statements. That will be;
3/5 of bathroom=1/3 solution
1=Y
I represented the unknown with Y
Next, you need to cross and multiply. That means 1 will multiply 1/3 to give 1/3 and Y will multiply 3/5 to give 3Y/5. So you will have;
3Y/5=1/3
Cross and multiply again. 5 will multiply 1 to give 5 and 3Y will multiply 3 to give 9Y. That will be;
9Y=5
Divide both sides by 9. That will be;
Y=5/9
The answer is 5/9 of the bottle.
Hope that helped. Have a nice day

A triangle has sides of lengths 6, 2, 7. Is it right triangle?

Answers

By the pythagoreans' theorem,

All right-angle triangle with the opposite squared + adjacent squared = hypotenuse squared.

6² + 2² ≠ 7²
Therefore the triangle is not a right angle triangle

Answer is B.



Given: -7x < -21.

Choose the solution set.
A. {x | x < -3}
B. {x | x > -3}
C. {x | x < 3}
D. {x | x > 3}

Answers


[tex] - 7x < - 21[/tex]
Divide both sides by - 7. Switch the direction of the inequality when dividing by a negative number.
[tex]x > 3[/tex]
The answer is D.

Let f(x)=8^x.

Which function represents a transformation of f(x) by a vertical stretch with factor 2??

A- g(x)=1/2*8^x

B- g(x)=8^2x

C- g(x)=2*8^x

D- g(x)=8 1/2^x

Please help and give reasoning with your answer. I’m very unsure.

Answers

Final answer:

The function that represents a vertical stretch of factor 2 of f(x) = 8^x is g(x) = 2 * 8^x.

Explanation:

The function that represents a vertical stretch of factor 2 of the function f(x) = 8^x is g(x) = 2 * 8^x.

To understand why, consider that a vertical stretch by a factor of 2 means that every y-coordinate in the graph is multiplied by 2. So, if we want to stretch the function f(x) = 8^x vertically by a factor of 2, we multiply the function by 2 to get g(x) = 2 * 8^x.

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