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3 years ago

Two lines, A and B, are represented by equations given below:

1 answer:

4 0

Set the equations equal to each other to find x
x - 2 = 3x + 4
-6 = 2x
x = -3

plug x into either equation
-3 - 2 = y
y = -5

(-3, -5)

the answer is B

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Choose the equation that is equivalent to this statement: x is 25% 25 % of 300

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Step-by-step explanation:

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3 years ago

2 and 1/7 :(15a)= 5/14 :(0.8)

murzikaleks [220]

Answer:

<u>a = 0.32</u>

Explanation:

This question requires that you find the value of $a$ given that:

$2\frac{1}{7}:(15a)=(5/14)/(0.8)$

That is you have to solve the equation for a.

1. Rewrite the equation in form of fractions, convert the mixed number into an improper fraction, and convert the decimal number into fraction too.

$2\frac{1}{7}:(15a)=(5/14)/(0.8)\\ \\ \frac{2+\frac{1}{7} }{15a} =\frac{5/14}{8/10}\\ \\\frac{(14+1)/7}{15a} =\frac{5\times 10}{8\times 14}\\ \\ \frac{15}{7\times 15a} =\frac{50}{112}$

2. Cross multiply to leave a alone:

$a=15\times 112/(7\times 15\times 50)\\ \\a=1680/5250\\ \\a=0.32$

4 0

4 years ago

In the given diagram ,

liq [111]

Answer:

Answer:

m∠BOC = 53°

Step-by-step explanation:

The definition of an angle bisector is that it divides an angle into two congruent angles. ∠AOC is divided by angle bisector OB into angles ∠AOB and ∠BOC, hence those two angles are congruent.

m∠AOB = m∠BOC = 53°

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3 years ago

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Answer:

7x is the GCF of 7x-49x.

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