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3 years ago

What expressions are equivalent to -3.5(2-3n)-2.5n?

1 answer:

6 0

−3.5(2−3n)−2.5nDistribute:=(−3.5)(2)+(−3.5)(−3n)+−2.5n=−7+10.5n+−2.5nCombine Like Terms:=−7+10.5n+−2.5n=(10.5n+−2.5n)+(−7)=8n+−7

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20 is what percent of 160

stira [4]

In this problem WP means what percent

20 = WP X 160

solve for WP, by dividing both sides by 160

and you get:

0.125 = WP

Change your decimal into a percent by multiplying by 100%

12.5% is your result.

7 0

3 years ago

The point (6, 7) is reflected across the y axis. what are the coordinates of the reflection

aev [14]

Answer:

Hello!!

the point (6, 7) is reflected across the y axis. what are the coordinates of the reflection?

(-6, 7)

Step by Step Explanation:

When reflecting (x, y) over the x axis is (x, -y)

When reflecting (x, y) over the y axis is (-x, y)

Hope this helps!

7 0

2 years ago

Read 2 more answers

Which linear function includes the points (3,9) and (-2,-11)

Murrr4er [49]

$General\ equation\ for\ line\ in\ slope\ intercept\ form:\\\\y=ax+b\\\\To\ find\ a\ and\ b\ substitude\ points\ (3,9),\ (-2,-11)\ into\ equation\\\\ \left \{ {{9=3a+b}\ \ \ \ \atop {-11=-2a+b\ |*-1}} \right.\\\\ \left \{ {{9=3a+b}\ \ \ \ \atop {11=2a-b}} \right.\\+----\\\\Addition\ method\\\\20=5a\ \ |:5\\\\a=4\\ b=9-3a\\b=9-3*4=9-12=-3\\\\Answer\ y=4x-3
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7 0

3 years ago

Read 2 more answers

What is this answer plz help

scZoUnD [109]

Answer:

y=-3/4

i think

6 0

2 years ago

The value of y varies directly with x. When y=55, x=1/4. Determine the constant of proportionality

docker41 [41]

Answer:

k = 220

Step-by-step explanation:

Proportion of y and x

y = kx

Given :

y = 55
x = 1/4

Solving :

55 = k/4
k = 55 x 4
k = 220

4 0

2 years ago