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nordsb [41]
3 years ago
15

Out of 30 students in Mohammed's class, 40% are girls. How many are boys?

Mathematics
1 answer:
romanna [79]3 years ago
3 0

Answer:

18 boys

Step-by-step explanation:

30*0.4= 12

30-12=18

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sleet_krkn [62]

Answer with Step-by-step explanation:

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5 0
2 years ago
9 = v + 4 v + 12<br><br> help me with this
True [87]

Answer:

v=-3/5

Step-by-step explanation:

9 = v + 4 v + 12

=>5v=9-12

=>v=-3/5

8 0
4 years ago
Read 2 more answers
Annual fixed costs for a product are $75,000. The product itself sells for $6 and it costs $2 in variable costs to make each pro
rusak2 [61]

Given

Annual fixed costs for a product are $75,000.

The product i sells for $6

it costs $2 in variable costs to make each product.

the variable cost per unit goes up to $2.50

find out how many units will the annual break-even point for the product change .

To proof

FORMULA

Break even = Fixed cost ÷  Contribution margin per unit

where

Contribution margin per unit = sale price - variable price

Take two cases

Case first

fixed costs for a product =  $75,000

product itself sells =  $6

variable costs  = $2

put all the value in the above equation

we get

Contribution margin per unit = 6 - 2

                                               = 4

Break even (say B1 ) = \frac{75000}{4}

                                        = 18750 units

CASE SECOND

 the variable cost per unit goes up to $2.50

put value inthe formula

Contribution margin per unit = 6 - 2.50

                                               = 3.5

Break even (say B2 ) = \frac{75000}{3.5}

we get

Breakeven (sayB2) = 21428.6 unit

change in the break even product = B2- B1

                                                         = 21428.6 - 18750

                                                        =  2678.6 unit

Hence proved

                                                       








4 0
4 years ago
Use the distributive property to write an equivalent expression.<br> 7(1 – 10s + 8)
Ne4ueva [31]

Answer:

The answer is = −70s+63

Step-by-step explanation:

7(1−10s+8)

=(7)(1+−10s+8)

=(7)(1)+(7)(−10s)+(7)(8)

=7−70s+56

=−70s+63

5 0
3 years ago
Find the volume of the cone.<br> 13 cm<br> r= 9 cm<br> V = [?] cm3<br> Round to the nearest tenth.
Kaylis [27]
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4 0
3 years ago
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