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notsponge [240]
3 years ago
14

Help me please!! I will mark Brainliest!!!!

Mathematics
2 answers:
murzikaleks [220]3 years ago
6 0

Answer:

D

Step-by-step explanation:

42 minus 31 is 11

so 11/42 = /100

dsp733 years ago
6 0

Answer:

11/42 = x/100

Step-by-step explanation:

42 students and 31 are girls

42 -31 = 11 that is the number of boys

boys / total = x/100 to find the percent

11/42 = x/100

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The sum of two numbers is 8and the sum of their squares is 34. What is the smaller number?
gladu [14]

Answer:

3

Step-by-step explanation:

3 squared is 9. 5 squared is 25. 25 + 9 = 34. 5 + 3 = 8. So the smaller number is 3.

4 0
3 years ago
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after selling tickets to a dance for $3.25 each, the student council brought in $1020.50from tocket sales. how many tickets did
balu736 [363]

3.25x = 1020.50

/3.25     /3.25

x = 314 tickets sold.

7 0
3 years ago
Can someone help me solve this pleaaaaaaaaaaaaaaaaaase 20 points !
harkovskaia [24]
I think the answer is 220
3 0
3 years ago
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A customer wants you to enlarge a photo to 2 3/4 its current height. The photo’s current height is 3 1/4 inches. What should its
butalik [34]

Answer:

8  15/16 inches

Step-by-step explanation:

Multiply 3  1/4 inches by 2  3/4:

13      11

---- * ----- = 146/16 inches, or 8.9375 inches, or 8  15/16 inches.

 4       4

3 0
3 years ago
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You invest in a new technology company. The cost includes an overhead of $30,000, p production costs of $2500 per item produced.
Artyom0805 [142]

Answer:

A. C(x) = 30.000 + 2500x

B. R(x) = 3125x

C. 48 items break even point

Step-by-step explanation:

A. The cost function C(x) is fixed cost plus variable cost.

In this case overhead works as fixed cost, we can write:

C(x) = 30.000 + 2500x

B. Revenue R(x) would be the price multiplied by quantity of items (x).

R(x) = 3125x

C. Break even point

To get the break even point we set R(x) = C(x) and find the value of x.

R(x) = C(x)

3125x = 30.000 + 2500x

3125x-2500x=30.000

625x=30.000

x=30.000/625

x=48

It means when you sell 48 items the costs will even revenue. So if you sell more than 48, then it's going to be profitable. If you sell less than 48, you will be losing money.

5 0
3 years ago
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