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lisov135 [29]
3 years ago
15

Help plz I’m stuck on this

Mathematics
1 answer:
NeTakaya3 years ago
5 0
I haven't done that in a while, but i think its C
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Cinderella ordered different colored fabrics to make a new dress for the upcoming ball. 20% were blue, 1 10 were white, 40% were
arsen [322]
We know that
<span>20% --------------> were blue
</span><span>1/10---> 0.10----> 10%-------------->  were white
</span><span>40% ---------------> were silver
</span>
and 
<span>9 ---------> were gold
so
gold=100%-(20%+10%+40%)-------> 100%-70%------> 30%

30% ---------------------> is equal to 9
10% (</span>were white)<span>-------> X
X=10%*9/30%------> x=3

the answer is
3</span>
3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%283.25%20%2B%20%5Cfrac%7B2%7D%7B7%7D%20%29%20%5Cdiv%20%28%20%5Cfrac%7B3%7D%7B5%7D%20%5Ctimes%
Ainat [17]

Answer:

99/14

Step-by-step explanation:

(3.25 + 2/7) / ( 3/5 * 5/6)=(3.25+2/7) / (1/2)=(3.25+2/7)*2=(99/28)*2=99/14

8 0
3 years ago
Please help me out with this!!
galina1969 [7]

Answer:

see explanation

Step-by-step explanation:

Given

x + \frac{1}{2} ≤ - 3 or x - 3 > - 2

Solve the left and right inequalities separately, that is

x + \frac{1}{2} ≤ - 3 ( isolate x by subtracting \frac{1}{2} from both sides )

x ≤ - 3 - \frac{1}{2}, that is

x ≤ - \frac{6}{2} - \frac{1}{2}, thus

x ≤ - \frac{7}{2}

OR

x - 3 > - 2 ( isolate x by adding 3 to both sides )

x > 1

Solution is

x ≤ - \frac{7}{2} or x > 1

7 0
3 years ago
Solve for x.<br> A) -7<br> C) 6<br> B) 9<br> D) 10
Mekhanik [1.2K]

Answer:

A

Step-by-step explanation:

The segment BC  joining the midpoints of 2 sides of the triangle is

Half the length of the third side, that is

x + 31 = 2(x + 19)

x + 31 = 2x + 38 ( subtract x from both sides )

31 = x + 38 ( subtract 38 from both sides )

- 7 = x → A

5 0
2 years ago
Read 2 more answers
Variable definition?
kkurt [141]
The number beside the letter . for example 6x, 6 would be the variable
5 0
3 years ago
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