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4 years ago

Solve the pictures please.

Mathematics

1 answer:

Arisa [49]4 years ago

8 0

Answer:

Step-by-step explanation:

The y axis is in hours. The x axis is in scarves. It takes 16 hours to knit 1 scarf. The last one is the answer that you want.

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Alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painti

Molodets [167]

Area of an Isosceles Trapezoid is 1/2 x times the height, where x equals the sum of the parallel sides.

1/2 times 30 times 6

15 times 6

The answer is 90 feet. Hope this helps!

7 0

3 years ago

Read 2 more answers

In a train yard there are 4 tank cars, 12 boxcars, and 7 flatcars. How many ways can a train be made up consisting of 2 tank car

Ivahew [28]

Answer:

The trian can be made up in 166,320 ways.

Step-by-step explanation:

The order makes no difference, which means that we use the combinations formula to solve this problem.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

We are going to choose

2 tank cars from a set of 4

5 boxcars from a set of 12

3 flatcars from a set of 7

How many ways can a train be made up?

Multiplication of the number of possibles sets of tanks, boxcars and flatcars. So

$T = C_{4,2}*C_{12,5}*C_{7,3} = \frac{4!}{2!2!}*\frac{12!}{5!7!}*\frac{7!}{3!4!} = 6*792*35 = 166320$

The trian can be made up in 166,320 ways.

4 0

3 years ago

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What is the decomposition of 15?

DerKrebs [107]

If you want the factors or 'what times what equals this number'

so 15=5 times 3

6 0

4 years ago

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Can someone help i don't get this problem

Delvig [45]

Answer:

the answer is 10•57(approximated as 10•6)

4 0

3 years ago

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$600,000 is what percent of $2,000,000?

Sliva [168]

Answer:

30%

Step-by-step explanation:

3 0

4 years ago

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