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4 years ago

Proportional or Non-Proportional? y=4/5x

Mathematics

2 answers:

cluponka [151]4 years ago

6 0

You already got a really good answer on this same post

iVinArrow [24]4 years ago

5 0

Answer:

proportional

Step-by-step explanation:

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Find the area. If applicable, leave the answer in simplest radical form. Helpp

inna [77]

Answer:

The area is $28\ m^{2}$

Step-by-step explanation:

I assume that the figure is a square

The area of a square is equal to

$A=b^{2}$

where

b is the length side of the square

In this problem we have

$b=2(\sqrt{7})=2\sqrt{7}\ m$

substitute in the formula

$A=(2\sqrt{7})^{2}$

$A=28\ m^{2}$

6 0

4 years ago

PLEASE HELP

harina [27]

Answer:

$y=\frac{-1}{2}x +3$

Step-by-step explanation:

Take any two points from the graph

(2 , 0) ; (0 , -4)

Slope = $\frac{-4-0}{0-2}\\\\$

$= \frac{-4}{-2}\\\\= 2$

Slope of the perpendicular line = -1/m = -1/2 = -1/2

m = -1/2 ; (-4 , 5)

y - y1 = m(x - x1)

$y - 5 = \frac{-1}{2}(x -[-4] )\\\\y - 5= \frac{-1}{2}(x + 4)\\\\y - 5 = \frac{-1}{2}x +\frac{-1}{2}*4\\\\y-5 = \frac{-1}{2}x -2\\\\y = \frac{-1}{2}x-2+5\\\\y=\frac{-1}{2}x + 3$

6 0

3 years ago

Quotient of 40 and the difference of 20 and 16

spayn [35]

This is 40/(20-16)
=40/4
=10
Hope this helps!

7 0

3 years ago

Read 2 more answers

What is the slope and y intercept of 6x - 1 = 3 y -10

77julia77 [94]

the slope is 2 and y in 4/3

5 0

4 years ago

5. A dishwasher has a price of £330.

gladu [14]

Answer:

The amount was reduced by 30%

Step-by-step explanation:

To find the percent discount, take the reduction over the original price

99/330

Change the decimal to a percent by multiplying by 100%

.3 * 100%

30%

The amount was reduced by 30%

4 0

3 years ago