2 years ago

-7 + (63/9 = ? Pls Help Me

Mathematics

2 answers:

borishaifa [10]2 years ago

8 0

Answer:

0..?

Step-by-step explanation:

djverab [1.8K]2 years ago

7 0

Answer:0

Step-by-step explanation:TO EZ I BIG BRAIN

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What fraction is equal to 3 1/4

Georgia [21]

Answer:

13/4

Step-by-step explanation:

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3 years ago

point k is between points j and l if jk=xsquared -4x, kl= 3x-2, and jl= 28, write and solve an equation to find the lengths of j

nadya68 [22]

Jk= 18
Kl= 10

3x - 2 = 28
+2. +2
3x / 3 and 30 / 3 = 10
28-10 = 18

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3 years ago

If a pool is 4 m wide and 16 m diagonally across, how long is the pool? (Pyth. Theorem)

alukav5142 [94]

Answer:

$L=4\sqrt{15}\ m$

$L=15.49\ m$

Step-by-step explanation:

we know that

Applying the Pythagorean Theorem in the rectangular pool

$d^2=L^2+W^2$

where

d is the diagonal of the pool

L is the length of the pool

W is the wide of the pool

we have

$d=16\ m\\W=4\ m$

substitute the given values

$16^2=L^2+4^2$

solve for L

$L^2=16^2-4^2\\L^2=240\\L=\sqrt{240}\ m$

simplify

$L=4\sqrt{15}\ m$

$L=15.49\ m$

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2 years ago

A Muffin shop sold 745,305 muffins. write this in expanded form

FromTheMoon [43]

Seven hundred forty-five thousand three hundred five

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3 years ago

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Solve the system by substitution. <br><br> y = 2x<br> 3x + 2y = 21

7nadin3 [17]

Y=2x
3x+2y=21
3x+2(2x)=21
3x+4x=21
7x=21
x=3
y=2(3)
y=6

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3 years ago