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tangare [24]
3 years ago
9

Pls help ASAP i don’t have time!!!!!

Mathematics
1 answer:
Sladkaya [172]3 years ago
7 0

Answer:

I got 8.96.

Step-by-step explanation:

if you divide 20.5 and 12.5 you get 1.64, then you divide 14.7 and 1.64 and get 8.96.

Hope this helps and good luck :)

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Express the ratio as a fraction in simplest form. 15:45 2/3 3/9 1/3 5/16
ankoles [38]

Answer:

3/9

Step-by-step explanation:

15/45

divide both sides by a factor of each number; I'll be using 5.

3/9

It didn't have to be 5, I could have used 3, but in that case It wouldn't have been it's simplest form and I would have to divide again by another factor.

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2 years ago
12) -7(-8 + y - 10 – x); use x = -3, and y = 10<br> A) 35<br> B) 40<br> C) 34<br> D) 25
cluponka [151]

Answer:

A

Step-by-step explanation:

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4 years ago
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lutik1710 [3]
The answer you put should be correct
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3 years ago
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indicate in standard form the equation of the line in standard form. the line through (2,-1) and parallel to a line with slope 3
Art [367]

k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1\cdot m_2=-1\\\\k\ ||\ l\iff m_1=m_2

We have m_1=\dfrac{3}{4}.

y=m_2x+b\to m_2=\dfrac{3}{4}

y=\dfrac{3}{4}x+b

The line passes through point (2, -1). Substitute the coordinates of the point to the equation of a line:

-1=\dfrac{3}{4}\cdot2+b\\\\-1=\dfrac{3}{2}+b\ \ \ \ |-\dfrac{3}{2}\\\\b=-\dfrac{2}{2}-\dfrac{3}{2}\\\\b=-\dfrac{5}{2}

y=\dfrac{3}{4}x-\dfrac{5}{2}\ \ \ \ |\cdot4\\\\4y=3x-5\cdot2\ \ \ \ |-3x\\\\-3x+4y=-10\ \ \ \ \ |\cdot(-1)\\\\3x-4y=10

<h2>Answer: 3x - 4y = 10</h2>
4 0
4 years ago
The equation shown has an unknown number ⍰÷3/4=4/9
lions [1.4K]

Answer:

9

Step-by-step explanation:

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3 years ago
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