Please help me! Im really confused on how to solve problems like this

Answers

Answer 1

a = -bc
÷-c ÷-c
b = a ÷ -c

Answer 2

To solve this problem, we must isolate b from the rest of the problem.

a= -bc

Firstly, divide -bc by c

a/c=-bc/c

The c on -bc cancels out

a/c=-b

Transfer the negative to he other side of the equation

b= -a/c

Related Questions

are relations always functions

Answers

No. Just because something is related to something, doesn't mean it functions the same way.

No, if a relation fails the vertical line test it's not a function

round the number to the given place value

24.617 hundredths

A.24.61

B 24.62

C.24.65

D.24.67

Answers

B. 24.62 is your answer

the order is

< -etc. hundred thousands, ten thousands, thousands, hundreds, tens, ones, tenths, hundredths, thousandths, ten thousands, etc ->

hope this helps :D

PLEASE HELP:::
Louise used this figure to model the expression 20/4.

Answers

did you figure out the answer cause i need it

The answer is C because if it doesn't start at zero, then it wouldn't make 5 groups.

Joann works in a publicity office at the state university. she is paid $ 13.00 $13.00 an hour for the first 35 35 hours she works each week and $ 19.50 $19.50 an hour for every hour after that. if she makes $ 650.00 $650.00 one week, how many hours did she work?

Answers

She works 45 hours that week. 13*$35=$455. $650-$455=$195. $195/$19.5=10. 35+10=45

1. Clara grew 2 1/8 inches from her ninth birthday to her tenth birthday. If she was 53 2/3 inches when she turned nine. How tall was she when she turned ten?

Answers

53 2/3 + 2 1/8

53 + 2 = 55
2/3 + 1/8 = 16/24 + 3/24 = 19/24
55 + 19/24 = 55 19/24 inches <==

Can someone please help me with #2 and 4 please thanks

Answers

2. x(2x^2+x+3)

4. 2x^4+11x^2+12= (2x+3)(x+4)

Which number is prime?

27

14

91

59

Which trinomial is a perfect square trinomial?

a2 – 8a + 64

a2 – 4a + 64

a2 – 4a + 16

a2 – 8a + 16

Answers

59 is the first answer you are looking for and
I believe it is the first one

Final answer:

The number 59 is prime, and the trinomial a^2 - 4a + 4 is a perfect square trinomial.

Explanation:

Prime number: The number 59 is prime because it is only divisible by 1 and itself, while the other numbers have factors other than 1 and themselves.

Perfect square trinomial: The trinomial a2 - 4a + 4 is a perfect square trinomial because it can be factored to (a - 2)(a - 2), making it a square of a binomial.

Shen needs to memorize words on a vocabulary list for german class. he has memorized 12 of the words, which is two-thirds of the list. how many words are on the list?

Answers

2/3 of the list = 12

2/3x = 12
x = 12 / (2/3)
x = 12 * 3/2
x = 36/2
x = 18 <=== there are 18 words on the list

The perimeter of a rectangle is 900 yards. what are the dimensions of the rectangle if the length is 70 yards more than the width?

Answers

First, it would be best to divide each side of the rectangle (4 sides) equally first that is:

900:4= 225

So, now we know each side is 225 Yards first..
Now, since the length is 70 yards longer than the width, we know that:

Length: 225+70= 295

Respectively, we also know that the width is 70 yards shorter since the length is already 70 yards longer:

Width: 225-70=155

Checking answer: (295*2) + (155*2) = 900 Yards

As our final answer, the dimension of the rectangle is 295 yards (Length) by 155 yards (Width)

Hope this help with your studies.

Give an example of a cubic function

Answers

y = x^3 is the parent function, so you can write an equation with that x^3 in it. Example: y = a•x^3 + b•x^2 + c•x + d, where a, b, c, and d are constants, a is not 0

Final answer:

A cubic function example is f(x) = x^3, which shows a curve with odd function symmetry that decreases with negative x values and increases with positive ones.

Explanation:

An example of a cubic function would be the function f(x) = x3. This function represents a basic cubic equation where the variable x is raised to the third power, or cubed. The graph of this function is a curve that demonstrates symmetry about the origin, with the curve decreasing for negative values of x and increasing for positive values. As x is cubed, it indicates that the function has an odd function symmetry.

A company manufactured a 16-oz box of cereal. Boxes are randomly weighted to ensure the correct amount. If the discrepancy in weight is more than 0.15 oz, the production is stopped. What is the range of acceptable values for production to continue?

Answers

Answer:

The acceptable range will be : 15.85 oz to 16.15 oz

Step-by-step explanation:

Let the weight of the box be = x

As given,

If the discrepancy in weight is more than 0.15 oz, the production is stopped.

And if the discrepancy in weight is less than 0.15 oz then the production will continue.

We can express this as : If [tex]|x-16| \leq 0.15[/tex] ; the production continues

[tex]|z| \leq a[/tex] or we can say

[tex]-a\leq z\leq a[/tex]

Now, z = x-16, and a=0.15, then the value becomes,

[tex]-0.15 \leq x-16 \leq 0.15[/tex]

Solving for x:

We get the final range as :

[tex]-0.15+16 \leq x-16+16 \leq 0.15+16[/tex]

[tex]15.85\leq x \leq 16.15[/tex]

Therefore, the answer is : [tex]15.85\leq x \leq 16.15[/tex]

It should be noted that the range that's acceptable will be 15.85 oz and 16.15 oz.

How to calculate the range.

From the information, the discrepancy in weight is about 0.15 oz. The lowest weight will be:

= 16 - 0.15 = 15.85 oz

The highest weight will be:

= 16 + 0.15 = 16.15 oz.

Learn more about range on:

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To pay for a swimming pass, Cameron earned $65 by mowing lawns. Cameron plans to go swimming for 10 weeks this summer. He can buy a pass for $60, pay the regular price of $1.25 each time, or buy a permit for $25 plus 50 cents each time he swims. Cameron estimates that he will go swimming 5 times per week. Which is the best deal?

Answers

Buying a permit plus 50 cents every time he swims would be the cheapest option

hes right a permit

that is the answer

Julie owns a video store. Her monthly expenses, including rent, average $1,168. This year she made $34,416 in revenue. What is the difference between her average monthly revenue and her average monthly expenses?

Answers

Since there are 12 months in a year, we can divide her yearly revenue over 12 to get 34416/12=2868 as her average monthly revenue. Since her expenses are 1168 and difference means subtraction, we subtract 1168 from 2868 (due to that revenue came first in the last sentence of the question) to get
2868-1168=1700

A rectangle is cut in half along the diagonal to form a triangle. if the area of the triangle is (2x + 10) cm^2, what is the area of the rectangle? Please provide steps and reason for your answer too!

Answers

Since it's literally cut in half, that means the triangle's area is literally half of the rectangle's area. Therefore, if we write it as
the triangle's area (a)=(1/2)*(b) (the rectangle's area) we can multiply 2 to both sides to get 2*a=b. Since a is (2x+10), we can plug it in and use the distributive property (since we just can't add up variables and integers) to get
2*(2x+10)=4x+20=b

A meteorologist was accurate 90% of the time, reporting accurately on 45 days. how many days of weather did he report? 50

Answers

50 is the answer. 50 x 90% = 45

Y = 1/2x - 6
Is this a function?

Answers

Yes.
When you graph it, it creates a straight line since it is linear. It has a slope that is not undefined so therefore each x value has a unique y value, thus making it a function.

Hope this helps!

Answer:

what about y=(x - 5 to the 2nd power is it linear

Please help me with math question

Answers

MQ would be CQ-CM

21-17 = 4

MQ = 4

MQ would be CQ-CM

21-17 = 4

MQ = 4

An airplane over the Pacific Ocean sights an atoll at an 7° angle of depression. If the plane is 663 m above the water, how many kilometers is it from a point 663 m directly above the atoll

Answers

tangent 7 degrees = 663 / distance

distance = 663 / tan (7)

distance = 663 / 0.12278

distance = 5,400 meters = 5.4 kilometers

A regular 18-sided polygon is rotated with the center of rotation at its center.

What is the smallest degree of rotation needed to map the polygon back on to itself?

Is it 180 degrees or 20 degrees? Or are both my answers wrong? :(

Answers

360 degrees / 18 sides = 20 degrees

the answer is 20 degrees

A hose fills a tank at a rate of 20 gallons per minute.

What is the rate in liters per hour?

(1 gallon ≈ 3.79 liters)

Answers

First, you need to know how many gallons will be in the tank after 1 hour. So:

Answer:

[tex]\frac{4548}{1}[/tex] liters per hour.

Step-by-step explanation:

Given : A hose fills a tank at a rate of 20 gallons per minute.

To find : What is the rate in liters per hour?

Solution : We have given

A tank can fill hose in 1 minute = 20 gallon .

1 gallon = 3.79 liters.

20 gallon = 20 * 3.79 = 75.8 liters.

20 gallon = 75 .8 liters.

So,

A tank can fill hose in 1 minute = 75.8 liters.

A tank can fill hose in 60 minute = 75.8 * 60 liters = 4548 liters.

A tank can fill hose in 1 hour = 4548 liters.

Rate = [tex]\frac{4548}{1}[/tex] liters per hour.

Therefore, [tex]\frac{4548}{1}[/tex] liters per hour.

there are 40 girls on a softball team. 3 out of every 5 prefer chocolate over vanilla milkshakes .

how many girls prefer chocolate milkshakes

Answers

24 girls prefer chocolate over vanilla.

24 girls prefer chocolate milkshakes out of 40 girls.

Ratio and proportions

From the given information, you can see that we have a total of 40 girls

If 3 out of every 5 prefer chocolate over vanilla milkshakes, hen;

3girls = every 5 prefer chocolate

x = 40 girls

Cross multiply

5x = 3 * 40

5x = 120

x = 24

Hence 24 girls prefer chocolate milkshakes

Learn more on ratio and proportions here: https://brainly.com/question/2914376

Walt is mixing friut punch for a party. He combies 1 gallon 2 quarts 3 pints of ornge juice , 1 gallon 3 quarts 7 pints of pineapple juice, and 1 gallon 3 quarts 3 pints of ginger ale. What is the total liquid measure of the punch?

A. 6 gal. 2 qt. 1 pt.

B. 6 gal. 2 qt. 2 pt.

C. 5 gal. 3 qt. 1 pt.

D. 6 gal. 3 qt. 1 pt.

Answers

C cause there is 3 gallons and 8 qt and 13pt in total and cause u fit 4 qt into 1 gal so that = 5 gal

Point Z on a coordinate grid is at (-1,3). If the point is reflected across the line y=-x, what are the coordinates of its image?

Answers

(-3,1)

x,y > -y,-x

Therefore (-1,3) is (-3,1)

What is the side length of the smallest square plate on which a 30-cm chopstick can fit along a diagonal without any overhang?

Answers

Answer:

21.2

Step-by-step explanation:

math xl said so

The side length of the smallest square plate is 21.2 units.

What is the Pythagoras theorem?

The Pythagoras theorem which is also referred to as the Pythagorean theorem explains the relationship between the three sides of a right-angled triangle. According to the Pythagoras theorem, the square of the hypotenuse is equal to the sum of the squares of the other two sides of a triangle.

Given that, length of diagonal on the square is 30 cm.

Let the side of a square be x.

Now, x²+x²=30²

2x²=900

x²=450

x=√450

x=21.2 units

Therefore, the side length of the smallest square plate is 21.2 units.

To learn more about the Pythagoras theorem visit:

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Please calculate −0.5(7b−12a)−(8.4a−14b) if a=−10; b=−6.

Answers

The answer to your question would be -39.

Trina and Jessie went on a vacation. Trina went scuba diving with an elevation of -85.6. Jessie went hand gliding with an altitude of 87.9 meters . Which is above sea level

Answers

sea level is at 0

so anything above sea level is positive and anything below sea level is negative. So Jessie, who is at an altitude of 87.9 meters, is above sea level

4/5 - 2/7 find difference

Answers

the difference is 18/35

hope this is what u r looking for

Sorry about the shaky writing

A line passes through the point (4, –2) and has a slope of mc010-1.jpg.

What is the value of a if the point (–4, a) is also on the line?
–6
–5
5
6

Answers

The value of a if the point (–4, a) is also on the line is -6

What is the value of a if the point (–4, a) is also on the line?

If a line passes through the point (4, –2) and has a slope of 1/2, its equation can be written in point-slope form as:

y - (-2) = 1/2(x - 4)

Simplifying the equation gives:

y + 2 = 1/2x - 2

To find the value of a, substitute x = -4 and y = a into the equation:

a + 2 = 1/2(-4) - 2

a + 2 = -4

a = -6

Hence, the value of a is -6

Answers

Corresponding angles are angles that are located in the same area at each intersection.

Angles 7 and 3 are vertical angles.

The answer is C, angles 3 and 11 are corresponding angles.

Answers

I just took the test, and the answer is A 504.24

Cindy's new annual premium including the discount would be given by: Option A: $504.24

What is a percentage?

A ratio or value that may be stated as a fraction of 100 is called a percentage. And it is represented by the symbol '%'.

The table given is:

Type of Insurance Coverage= {Coverage Limits} and {Annual Premiums}

Bodily Injury $50/100,000 $31. 75

Property Damage $25,000 $120. 50

Collision $500 deductible $275. 75

Comprehensive $100 deductible $100. 00

Her total annual premium = 31.75 + 120.50 + 275.75 + 100 = $528

Discount offered to her = 4.5% of $528 = (in dollars)

The new premium that she needs to pay after discount = Old premium - discount = $528 - $23.76 = $504.24

Therefore, Cindy's new annual premium including the discount would be given by: Option A: $504.24

To learn more about the percentage;

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The complete question is ;

After reviewing her driving record for the past 3 years, Cindy’s insurance company offers her a good driver discount of 4. 5%. Her original policy was based on the premiums listed below. What is her new annual premium including the discount? Cindy's Auto Insurance Policy Type of Insurance Coverage Coverage Limits Annual Premiums Bodily Injury $50/100,000 $31. 75 Property Damage $25,000 $120. 50 Collision $500 deductible $275. 75 Comprehensive $100 deductible $100. 00 a. $504. 24 b. $523. 50 c. $528. 00 d. $551. 76.

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