3 years ago

Help please I don’t know

Mathematics

1 answer:

RideAnS [48]3 years ago

8 0

Im pretty sure that means what is y when x is -5. the answer is 5

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Find the solution of the system of equations.<br> 10x+10y=40 <br> 5x+3y=8

ddd [48]

Answer:

x = -2 & y = 6

Step-by-step explanation:

$10x+10y=40$

$10x+10y+ -10y=40+-10y$

$10x=-10y+40$

$\frac{10x}{10} =\frac{-10y+40}{10}$

$x=-y+4$

$5x+3y=8$

$5(-y+4)+3y=8$

$-2y+20=8$

$-2y+20+-20=8+-20$

$-2y=-12$

$\div2$

$y=6$

$x=-y+4$

$x=-6+4$

$x=-2$

Hope this helps.

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2 years ago

The slope of a line is 7/10 . One point on the line has coordinates (1, 2). Which ordered pair represents another point on the l

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(x,y)

y=mx+b
m=slope
b=yintercept
slope=7/10
one point is (1,2) or x=1, then y=2
find b
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2=7/10(1)+b
2=7/10+b
minus 7/10 both sides
1 and 3/10=b
13/10=b
y=7/10x+13/10
input values for x and get values for y
one point is (0,13/10)

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3 years ago

What is the partial product of 4.6 x 3.5

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The partial product of 4.6×3.5 is 16.1

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Fredericka can make 65% of her shots from the free-throw line. If she shoots 75 times, how many shots can she expect to go in?

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65% of 75 = x

x = 0.65 × 75
x = 48.75

48 shots

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