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Bond [772]
3 years ago
10

How do i solve this equation a over c is equal to d over a to solve for a

Mathematics
2 answers:
juin [17]3 years ago
6 0
\frac{a}{c} = \frac{d}{r} \\ \\ a \times r = c \times d \\ \\ a= \frac{cd}{r}\\ \\ \boxed{ \red{ \bold{a= \frac{cd}{r} }}}
Ray Of Light [21]3 years ago
6 0

Hey there!!

Given equation :

a / c = d / r

Cross multiplication :

... ar = cd

Divide by r on both sides

... a = cd / r

Hope this helps!

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Snowcat [4.5K]
M>B = 65 so arc AC = 2(65) = 130
arc ABC = 360 - 130 = 230

m<D  = 1/2(230 - 130)
m<D = 1/2(100) = 50

answer
m<D = 50 first choice
6 0
3 years ago
What conversion factor should be used to convert from gigaliters to liters?
GarryVolchara [31]
<span>The correct answer is 10^9  happy to help! </span><span />
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3 years ago
Find the constant of variation k for the direct variation x -1 0 2 5 f(x) 2 0 -4 -10
Fofino [41]

Answer:

k = -2

Step-by-step explanation:

x     -1   0   2     5

f(x)  2   0  -4  -10

ƒ(x) = kx

Substitute a pair of values for x and ƒ(x)

-10 = k×5

Divide each side by 5

k = -2

The constant of variation k = -2.

8 0
3 years ago
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ser-zykov [4K]

Answer:

3/32

Step-by-step explanation:

the reason it’s 3/32 is because you have to divide 3/4 divide by 8. So that means 3/4x1/8 and that gives you 3/32. I hope that helped you!

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3 years ago
Darius is going home from college for the weekend. He checked google maps and found that his house is 480 miles away. If he want
Vesnalui [34]

Answer:

60.

Step-by-step explanation:

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