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Anettt [7]
3 years ago
8

A stack of 4 bricks is 6 feet high how high is a stack of 20 bricks

Mathematics
1 answer:
artcher [175]3 years ago
5 0
Hello there!

We first would have to determine how many feet are in each brick of the 4 bricks.

(6/4)= 1.5

There are 1.5 for ever brick.

Now that we know this, we do 1.5 by how many bricks we would want to multiply by, which in this case is 20.

(1.5x20) = 30 ft.

Your correct answer would be . . . 30 ft tall.

I hope this helps you!
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Find the number described. What number is 16​% of 70​?
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Answer:

58.8

Step-by-step explanation:

multiply 16% by 70 then substract your answer by 70

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In circle E, AC=4, CG=6, and AH=3, Find HB and EG. If necessary, round to the tenths place.
bezimeni [28]
Using theorem about secant segments we can write,
AB*AH=AG*AC
AC=4,
CG=6
AG=AC+CG=4+6=10
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AB= AH+HB=AH+x=3+x
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9+3x=40
3x=40-9
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3 0
3 years ago
Solve the system algebraically.<br> 3x - 2y - 1 = 0 y = 5x + 4 <br> What is the solution?
Bogdan [553]

Answer:

x=\frac{-9}{7}

y=\frac{-17}{7}

Step-by-step explanation:

We have been given the equation:

3x-2y-1=0

And y=5x+4

Second equation can be rewritten as:

5x-y=-4

We will solve the equations:

3x-2y=1      (1)

5x-y=-4       (2)

Multiply equation (1) by 5 and equation (2) by 3 we get:

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15x-3y=-12       (4)

Now, subtract (4) from (3) we get:

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y=\frac{-17}{7}

Now substitute y=\frac{-17}{7} in equation (1) we get:

3x-2{\frac{-17}{7}}=1

3x+\frac{34}{7}=1

21x=-27

x=\frac[-27}{21}

x=\frac{-9}{7}




3 0
3 years ago
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RSB [31]
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multiples of 10 : 70,80,90,100

she could choose : 90...and thats it
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3 years ago
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