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Elodia [21]
2 years ago
7

Marianne chose an integer. She subtracted 7 then multiplied the difference by -5. The product was 60. What integer did she chose

Mathematics
1 answer:
Pepsi [2]2 years ago
5 0

Answer:

Step-by-step explanation:

(x-7) * -5 = 60

-5x + 30 = 60

5x  = 60 - 30

x = 30/-5

so x = -5

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What's times what equals 30
mr Goodwill [35]
 1 x30
2 x 15
3 x 10
5 x 6
8 0
3 years ago
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Will, Mike, and Sue went to dinner. Will paid 1/3 of the dinner bill. Micah and Sue paid in the ratio 2:3. If Sue paid $6 more t
raketka [301]
Let's call their parts w,m and s

if will paid 1/3, then m+s=2w (they paid 2/3, which is twice as much as will did)

Now, we know that:
Micah and Sue paid in the ratio 2:3.
this means the 3m=2s

and m=2/3s

Again:
m+s=2w

and we substitute m:
2/3s+s=2w
5/3s=2w// multiply both sides by 3
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we also know that s=w+6 (from the last sentence) so we substitute:

5(w+6)=6w
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30=w

so, Will paid 30, Sue paid 36 (six more than him), Mike paid 24 (24:36 is the same ratio as 2:3, you can check this by dividing both 24 and 36 by 12: you have 2 and 3)

and the total was 30+36+24=90.





3 0
3 years ago
Two angle measures in a scalene triangle are 38° and 25°. What is the measure of the third angle?
NISA [10]
117, just add the two and subtract from 180
5 0
3 years ago
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How do I find The measure of ML
svlad2 [7]
When two chords<span> intersect inside a circle, the product of the two segments of one </span>chord<span> equals the product of the two segments of the other chord.
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<span /></span>
4 0
3 years ago
How can I use multiplication to find the quotient and evaluate the expression
adell [148]
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Meaning the answer is 3.
8 0
3 years ago
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