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3 years ago

Please help I gotta find the unknown #

Mathematics

1 answer:

vfiekz [6]3 years ago

7 0

So we are trying to find what multiplied by 10 is 4000. To figure that out, you can just divide 4000 by 10 to get 400. 400 x 10 = 4000.

You can also see from the second line that it says (50 x 8) x 10. So the unknown number is 50 x 8, which is also 400.

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X+6/x+3 X x-6/x-3 A. 2x-12/x-3 B. x-12/x-6 C. x^2-12/x^2-6 D. x^2-36/x^2-9

tatyana61 [14]

Step-by-step explanation:

8 0

2 years ago

3(2-3+4) math problem help me to slove

mel-nik [20]

Answer:

9 is the answer

Step-by-step explanation:

3(2-3+4)
3(6-3)
3(3)
9

6 0

3 years ago

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A recipe says that 1 and 3/4 cups of baking soda are needed to make one batch of a homemade cleaning product. How many total cup

givi [52]

Answer:

3.75 cups of baking soda are needed to make 2 and 1/2 batches of the cleaning product

Step-by-step explanation:

This question can be solved by a rule of three.

A recipe says that 1 and 3/4 cups of baking soda are needed to make one batch of a homemade cleaning product.

1 + 3/4 cups = 1 + 0.75 = 1.75 cups for one batch.

How many total cups of baking soda are needed to make 2 and 1/2 batches of the cleaning product?

2 and 1/2 batches is 2 + 0.5 = 2.5 batches.

1.75 cups for one batch. How many cups for 2.5 batches? So

1 batch - 1.5 cups

2.5 batches - x cups

c = 2.5*1.5 = 3.75

3.75 cups of baking soda are needed to make 2 and 1/2 batches of the cleaning product

8 0

3 years ago

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Two cylinders have the same size base, but one is twice as tall. Explain why the taller cylinder does not have double the surfac

Igoryamba

Answer:

The surface area of a cylinder is the sum of the areas of the two bases and the area of the lateral surface. If the height of the cylinder is doubled, the area of the lateral surface is doubled, but the areas of the bases remain the same.

Step-by-step explanation:

8 0

3 years ago

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Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1

Digiron [165]

Answer:

$P(z$

And the best option would be:

$0.8708$

Step-by-step explanation:

We assume that the distribution for the random variable is:

$X \sim N (\mu=0 , \sigma=1)$

For this case we want to calculate the following probability:

$P(z$

And we can use the normal standard distribution or excel and we got:

$P(z$

And the best option would be:

$0.8708$

8 0

3 years ago