If y varies directly as x, and y=-4 when x=8, find y when x=3

Answers

Answer 1

I believe it would be negative 9 because your subtracting by twelve again. I hope that helped

Related Questions

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number 5 might be kinda of hard too read soory

Answers

Answer:

1. first one

2. there are no solutions that i see

Step-by-step explanation:

Solve the equation:

7x − 2 = 26

Answers

Answer:

[tex] \large \boxed{x = 4}[/tex]

Step-by-step explanation:

Goal

Solve for x-term.

Given

Equation

[tex]7x - 2 = 26[/tex]

Step 1

Isolate x by adding 2 to both sides.

[tex]7x - 2 + 2 = 26 + 2 \\ 7x + 0 = 28 \\ 7x = 28 \\ x = \frac{28}{7} \\ x = 4[/tex]

Step 2 (Optional)

We check the answer by substituting x = 4 in the equation.

[tex]7x - 2 = 26 \\ 7(4) - 2 = 26 \\ 28 - 2 = 26 \\ 26 = 26[/tex]

The equation is true for x = 4. Hence, the solution is x = 4.

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the
time after launch, x in seconds, by the given equation. Using this equation, find the
maximum height reached by the rocket, to the nearest tenth of a foot.
y = -16x2 + 160x + 51

Answers

Answer:

451

Step-by-step explanation:

on a calculator go to y= and type the equation in and then go to the table.

Solve the inequality 13 > 3x + 1

Answers

4 > x

step by step explanation:

13 > 3x + 1
-1 -1
12 > 3x
/3 /3
4 > x

I hope it helps you ❤️❤️❤️

Simplify the following expression.
3(2x+7)

Answers

solution: 6x + 21
3(2x + 7)
3 • 2x • 3 • 7
6x + 3 • 7
6x + 21

3(2x+7) = (3)(2x+7) = (3)(2x)+(3)(7) = 6x+21

The diagram shows a prism placed on a horizontal floor. The prism has height 3m. The volume of the prism is 18m^2. The pressure on the floor due to the prism is 75 Newton's/m^2. Work out the force exerted by the prism on the floor.

Answers

Area= 15^bbc
5 stars thx

What is the perimeter of the rectangle shown below?
A
7
A. 10 units
B. 21 units
C. 13 units
D. 20 units

Answers

D 20 units

I know this because 7+7=14 and 3+3=6. Then 6+14=20.

Answer:

Step-by-step explanation:

How to find the perimeter of a rectangle:

You add the same number twice to both numbers, then add the total of both numbers and that will get you your answer.

In this equation:

Add the same number twice.

[tex]7+7=14[/tex][tex]3+3=6[/tex]

Then you add both numbers up.

[tex]14+6=20[/tex]

Therefore your answer is [tex]20[/tex].

Note: I hope this helped, sorry for the late answer but should help others in the meantime. :) and it would help me a lot if you would give brainliest. :crown:, and comment if you still don't understand and ill be happy to assist you further. This goes to anyone.

1.45833333333 as a fraction

Answers

Answer:

¹⁴⁵⁸³³³³³³³³⁄₁₀₀₀₀₀₀₀₀₀₀₀

Step-by-step explanation:

lol

A ladder leans against the side of the a house. The ladder is 17 feet long and forms an angle of elevation of 72 degree when leaned against the house. What is the height where the ladder meets the side of the house? Round your answer to the nearest tenth.

please explain how you got the answer if you can! thanks :)

Answers

Answer:

7 feet is your answer because by time the ladder reach the side of the house from 72 degree angle if you measure it right and cross path with the correct tools you will see that it reaches 7 ft

Solve for x: 2x^2+3x=2
Section 5- Topic 4: Solving Other Quadratic Equations by Factoring
Please solve x by factorization, Thank you.

Answers

Answer:

The answer should be -2/5

Step-by-step explanation:

Hope this helps

Have a great day

Answer:

x = 0.5

x = -2

Step-by-step explanation:

Have a great day :)

Y=2/3x-1
2x-3y=31
HELPPP

Answers

power of wozkzserjfj

Answer:

No answer

Step-by-step explanation:

The two equations are : Y = 2/3x-1 and Y = 2/3x -31. There is no answer.

Helppp meeee pleaseeeee

Answers

I hate math its so hard for no reason

I believe it’s definition of Bisect lol. But i may be wrong.

Given a circle with a diameter of 27 cm, what is the radius?

Answers

The radius is half of a circles diameter. Therefore 27/2 is 13.5 cm and 13.5 cm is the radius.

select graph that matches the inequality

Answers

Answer:

The answer is

Step-by-step explanation:

x2-36
10.) Reduce the ratio, x2 +4x-12
|
I

Answers

Step-by-step explanation:

Simplify 15 − 10 x 8 x 3 − 12 x 2 \dfrac{15- 10x}{8x^3-12x^2} 8x3−12x215−10xstart fraction, 15, minus, 10, x, divided by, 8,

Estimate 154 divide 7

Answers

Answer:

Step-by-step explanation:

The result of 154 divided by 7 will be 22.

What is the rule of division?

The rules of the division include easy memory tricks that make division calculations easier by generating patterns you may use to deconstruct both simple and complex situations. The guidelines establish requirements that a number must meet in order to neatly divide into another number. While some division rules only require one or two steps to evaluate a number's divisibility, others require two or three steps. Even though some of these formulas are lengthy, division rules help hasten the process of dividing huge numbers.

Remember to continue using the divide, multiply, subtract, and drop-down method for long division problems until all of the dividend's digits have been divided. The solution to the division puzzle is the quotient.

Since the given problem is not a large division. We can solve it by breaking 154 into two parts

______

7 / 154 \ 2 2

---------

1 4

---------

Therefore, 22 will come from dividing 154 by 7.

Learn more about division here:

https://brainly.com/question/4942548

#SPJ2

What is the approximate volume of the cone?

Use 3.14 for π.

57 cm³

339 cm³

509 cm³

1526 cm³
Outline of cone with a dotted line rising from middle of base to the point. Line is labeled 6 cm. A second dotted line extends horizontally from middle of base to its edge. Line is labeled 9 cm.

Answers

Answer:

D is the answer most likely your answer

Step-by-step explanation:

3.14x81x6=1526.04 which rounding would be 1526cm^3

What is the value for x and for y?

Answers

Answer:

20+7x=90

x=10

50+2y=90

y=20

I think
X=10
Y=20
Because a straight line is 180. So 180-20=160 from there you see that one of the angles is a right angle, you can tell this by that it has that little cube in the middle. So 160-90=70 that means that 7x=70 bit you are trying to find for x so divid 70 by 7 that equals 10.
Now to solve for why you have to plug in the information you already know. Vertical angles are congruent. That means that the that the 20 goes straight across and 7x with is actually 70 goes straight across. Now you already know the angle in the middle is 90 but this this it’s split. Since x is 10 multiply 5 by 10 then you get 50 now 90-50=40. 2y is 40 divide it by 2 to get y=20.
I’m bad at explaining so I hope I didn’t confuse you.

PLEASE HELP!!

i hate math and i am terrible at it so i need help

Answers

Answer:

b,c,d

Step-by-step explanation:

Answer:

D and B i'm pretty sure

Step-by-step explanation:

i would try a place called calculator soup really helps.

What is the percentage population increase if in 2001 it is 430000 and in 2011 it is 510000

Answers

Answer:

18.6%

Step-by-step explanation:

What is the percentage population increase if in 2001 it is 430000 and in 2011 it is 510000

Percentage increase is calculated as:

Final value - Initial value/ Initial value × 100

Final value = 510000

Initial value = 430000

Percentage Increase =

510000 - 430000/430000 × 100

= 80000 / 430000 × 100

= 0.1860465116 × 100

= 18.604651163 %

Approximately = 18.6 %

What is the equation of the graphed line written in standard form?

Answers

Answer:

y=3x-4

Step-by-step explanation:

-15-(-32) ASAP please!!!

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

-15-(-32)

= -15 + 32

= 17

What’s the answer please tell me

Answers

Answer: 3

Step-by-step explanation:

The larger triangle is 5 times the size of the smaller triangle. Notice 6 increased to 30. How? 5x6 = 30, so it increased in size 5 times. The rise of the larger triangle is 15. If we know that 15 is 5 times as large as the smaller rise, then 15 divided by 5 = 3. So the smaller rise is 3

Answer:

Missing rise is 3

Step-by-step explanation:

[tex]\frac{30}{15} =\frac{6}{x}\\[/tex]

30x=90

x=3

My brain isn't working right now, please help.

Answers

Answer:

Down below, hope this helps!

Step-by-step explanation:

The author's message is that a person cannot predict the future without first learning about the past. The author does this by providing an example of how one wants to read without knowing the letters of the alphabet. Obviously, you can't read without first learning the letters of the alphabet. With the reading example, the author is explaining that just like a person trying to read without learning the alphabet first, a person predicting the future without knowing their history first is doing the exact same thing, it's nearly impossible.

find the area of each square.

Answers

Answer:

25 m², 16 m², and 9 m²

Step-by-step explanation:

5 × 5 = 25 m²

4 × 4 = 16 m²

3 × 3 = 9 m²

WILL GIVE BRAINLIEST!
Translate the following verbal expression into a variable expression.
Eight divided by the sum of a number and three.

Answers

Answer:

8÷(x+3)

Step-by-step explanation:

it doesnt specify what number you add with 3 so you substitute it with a variable such as x.

The sum is adding so x +3 and then divide by 8

8 / (x+3) would be the variable expression

Could someone solve and explain 10. Thanks!

Answers

Answer:

Step-by-step explanation:

All factors pairs of 20?

Answers

1 x 20

2 x 10

4 x 5 (these go the other way round as well, like 10 x 2, etc)

all factors of 20 = 1,2,4,5,10,20

hope this helps!

The factors of 20 are the numbers, which produce the result as 20 when a pair of factors are multiplied together. These factors are 1,2,4,5,10 and 20.

48 = -12t
HELP ASAP PLEASE

Answers

Answer:

-4

Step-by-step explanation:

123 students each gave 2 cupid to each student in school there's 6 council how many cupid did they evenly make for the 123 student

Answers

Answer:

each made 20.5

Step-by-step explanation:

123/6 = 20.5

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