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Whitepunk [10]
3 years ago
5

the sum of a number and 9 is multiplied by -2 and the answer is 8 find the number. I know the answer is -5 i need a expression,

or equation. Any of them both HELP
Mathematics
1 answer:
vladimir1956 [14]3 years ago
8 0
Y+9x-2=8
That's the answer because y=-5 as yku said so to make an equation yiu could use that and you already solved it so it's Y plus 9 multiplied by -2 is equal to 8 :)
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The distance between City A and City B is 250 miles. A length of 1.7 feet represents this distance on a certain wall map. City C
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2 years ago
Which equations support the fact that rational numbers are closed under addition?
PtichkaEL [24]

i think the answer is the second choice √9+√9=2√9

<em>Hoped this helped!</em>

3 0
3 years ago
If a/b = 4/3 and b/c = 2/3, what is a,b, and c?
kaheart [24]

Answer:

.

Step-by-step explanation:

\frac{a}{b}  =  \frac{4}{3}

\frac{b}{c}  =  \frac{2}{3}

to give b from both equation the same value

\frac{a}{b}  =  \frac{4}{3}  \times   \frac{2}{2}  =  \frac{8}{6}

\frac{b}{c}  =  \frac{2}{3}  \times  \frac{3}{3}  =  \frac{6}{9}

a:b:c = 8:6:9

a = 8

b = 6

c = 9

7 0
3 years ago
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elena-14-01-66 [18.8K]
Midpoint formula

for
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the point is
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(8,2)
(6,10)
point is
((8+6)/2,(2+10)/2)
(14/2,12/2)
(7,6)
midpoint is (7,6)
8 0
3 years ago
Read 2 more answers
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