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dalvyx [7]
4 years ago
14

I need help solving this problem: -1/7c=21. Please help me and solve for c

Mathematics
1 answer:
kvv77 [185]4 years ago
3 0
So you need to get C by itself. So you are going to divide -1/7 by 21. Then that will give you the answer  x=3
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The price for a pair of shoes went from $120 to $200. What is the percent of change?
wlad13 [49]

Answer:

I looked it up and it said -80

Step-by-step explanation:

4 0
3 years ago
1/2 Of the class has blonde hair and 1/4 the class has black hair.1/4 of the class has brown hair If there are 32 kids in the cl
Mariulka [41]

Answer:

Step-by-step explanation:

so there is 32 kids....1/2 are blonde, 1/4 have black hair, 1/4 have brown hair

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1/4(32) = 32/4 = 8 have brown hair

6 0
3 years ago
A number cube is rolled. what is P(3 or an even number)? A)1/2 B)2/3 C)4/2 D)1/6
AVprozaik [17]
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7 0
3 years ago
17. what is the value of x?<br><br> 18. what is the value of z?<br><br> please help me fast!!
den301095 [7]

for x ,

8x + 10x = 180°

[sum of linear pair is equal to 180°]

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for z,

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5 0
3 years ago
Factorize this: ay-y-a+1
boyakko [2]
I think the answer would be (a-1)(y-1).

Explanation:

Factor out the greatest common factor from each group.

Group the first two terms and the last two terms.
(ay-y)-a+1

Factor out the greatest common factor (GCF) from each group.
y(a-1)-(a-1)

Factor the polynomial by factoring out the greatest common factor, a-1.
(a-1)(y-1)




4 0
3 years ago
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