3 years ago

What is the root of 75

Mathematics

1 answer:

il63 [147K]3 years ago

7 0

Answer:

8.66

Step-by-step explanation:

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Triangle ABC was dilated by 50%. What is the relationship between AC and A'C'?

Elina [12.6K]

Answer:

The length of segment AC is two times the length of segment A'C'

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

z ----> the scale factor

A'C' ----> the length of segment A'C'

AC ----> the length of segment AC

$z=\frac{A'C'}{AC}$

we have that

$z=50\%=50/100=\frac{1}{2}$ ---> the dilation is a reduction, because the scale factor is less than 1 and greater than zero

substitute

$\frac{1}{2}=\frac{A'C'}{AC}$

$AC=2A'C'$

therefore

The length of segment AC is two times the length of segment A'C'

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2 years ago

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If three 2-liter sodas cost $14, then how much do five 2-liter sodas cost?

Roman55 [17]

Answer:

23.3

Step-by-step explanation:

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3 years ago

I NEED HELP RIGHT NOW

Allisa [31]

Oof the answer is you (and by you I mean B)

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3 years ago

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x + 3y = 7 x - 3y = 1 Solve the system of equations. A) x = 4, y = 1 B) x = 1, y = 4 C) x = - 2 3 , y = 3 D) x = 3, y = - 2 3

Alik [6]

X+3y=7
x-3y=1
add them together

x+3y=7
<u>x-3y=1 +
</u>2x+0y=8

2x=8
divide 2
x=4
subsitute
x+3y=7
4+3y=7
subtract 4
3y=3
divid 3
y=1

x=4
y=1

answer is A
<u />

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3 years ago

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Hey, I've been extremely confused with problems like :7x²-12x-4

bonufazy [111]

Factor by grouping.

(7x+2)(x-2) I think not sure

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3 years ago