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Vitek1552 [10]
3 years ago
9

If y varies inversely as x, and y=16 when x=4, find y when x=10

Mathematics
1 answer:
scoray [572]3 years ago
5 0

Answer:

40

Step-by-step explanation:

you have to multiply x by 4 to get y when x=4 and y=16. so if x=10, then you have to multiply what x is (10) by 4 because there is a common ratio.

hope this helps!! please give brainliest!!!!!!

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Can anyone help me evaluate this f(x)=8+4x the functions are 0 and -2.
Fynjy0 [20]

Answer: f(0)=8

f(-2)=0

Step-by-step explanation:

f(0)=8+4(0)

f(0)=8+0

f(0)=8

f(-2)=8+4(-2)

f(-2)=8+(-8)

f(-2)=8-8

f(-2)=0

3 0
1 year ago
PLEASE HELP I WILL MARK BRAINLIST!!
marshall27 [118]

14: \frac{1}{2} = \frac{8}{1}    \frac{x}{y} = \frac{56}{1}

56/8 = 7 so multiply 1/2 by 7/1 to get the unidentified fraction "x/y"

1/2 · 7/1 = 7/2 or 3 1/2

15.  \frac{2}{5} = \frac{x}{100}

to get from 100 to 5, you would divide by 20, so to solve for x, multiply 2 by 20, to get a product of 40.

40/100 = 40% or D

16. \frac{3}{5} = \frac{12}{x}

A

7 0
3 years ago
A couple quick algebra 1 questions for 50 points!
kirill [66]

All the relevant transformations are as shown in the explanations below.

<h3>How to Interpret Transformations?</h3>

We are given the original function as y = x and told the transformation is as follows;

1) y = x + 5; This means that the function was shifted 5 units to the left.

2) y = ³/₈x; This means that the function was vertically stretched by a scale factor of  ³/₈.

3) y = -x - 2 or y = -(x + 2); This means that the function was first shifted by 2 units to the left before being reflected over the x-axis.

4) y = 6x + 1; This means that the function was stretched by a factor of 6 and then shifted 1  unit to the left.

5) y = x - 11; This means that the function was shifted 11 units to the right.

6) y = 8x; This means that the function was vertically stretched by a scale factor of  8.

7) y = -1/3x; This means that the function was horizontally stretched by a scale factor of  1/3.

Read more about Transformations at; brainly.com/question/4289712

#SPJ1

6 0
2 years ago
A certain bean plant grows 15% of its height each day today after 10 days the bean plant is 27 inches tall how tall was it yeste
frez [133]
Given:
15% of its height each day
27 inches on day 10.

How tall was it yesterday?

27 represents 115% of the height yesterday. So we divided 27 by 115% to get yesterdays height.

27 ÷ 115% = 23.48 inches.

The plant was 23.48 inches tall yesterday.

To check:
23.48 x 15% = 3.52 inches
23.48 + 3.52 = 27 inches

3 0
3 years ago
Walter buys a bus pass for $30 every time he rides the bus money is deducted from the value of the pass he rode 12 times and $24
klemol [59]
So each time, 24/12 or $2 was deducted per trip

he has 30-24=$6 left

$6/$2=3, he has 3 trips left

I wonder what your question is
6 0
4 years ago
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