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3 years ago

Can you help me for 8 and 9

Mathematics

2 answers:

nexus9112 [7]3 years ago

3 0

8) terminating
9) repeating

julia-pushkina [17]3 years ago

3 0

9) a repeating decimal has one or more digits that repeat forever
8) a terminating decimal has a final digit

hope this helps

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Let C represent the cost in dollars and R represent the revenue in dollars. What is the break-even point? Use a table to help if

WARRIOR [948]

Answer:

x = 5

Therefore, when you sell 5 units, the revenue and the production cost would be equal.

Step-by-step explanation:

Given

C represents the cost in dollars

C=15x+150

R represents the revenue in dollars

R=45x

To determine

What is the break-even point?

We know that the cost gets equal to revenue at the break-even point.

i.e.

C = R

substitute C=15x+150 and R=45x

15x+150 = 45x

45x - 15x = 150

30x = 150

divide both sides by 30

30x/30 = 150/30

x = 5

Therefore, when you sell 5 units, the revenue and the production cost would be equal.

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3 years ago

Find the value of x and the value of y.

koban [17]

Step-by-step explanation:

Given triangle is of the measure of 30°, 60°, 90° triangle.

x is opposite to 60° angle and y is opposite to 30° angle.

According to the 30°, 60°, 90° triangle theorem:

$x = \frac{ \sqrt{3} }{2} \times 10 \sqrt{3} = \sqrt{3} \times 5 \sqrt{3} = 15 \\ \\ y = \frac{1}{2} \times 10 \sqrt{3} = 5 \sqrt{3}$

8 0

4 years ago

Find the lengths of the sides of the rectangle if it is known that one of them is 14cm bigger than the other, and the diagonal o

slega [8]

Let's call the smaller side $s$ . This means that the other side of the rectangle is $s + 14$ .

In this problem, we are trying to find the lengths of the sides. The problem gives us someinformation about the sides, but that's really it. However, the problem also let's us know that the diagonal of the rectangle (the line connecting opposite corners of the rectangle) is 34 cm long.

This fact is very important, because we can actually make a triangle, with the smaller side, bigger side, and the diagonal of the rectangle. Additionally, since we are working with rectangles, we know that the sides form a right angle. Since we are constructing a triangle with the sides as the legs, we know that we are going to be constructing a right triangle, which means that we can work with Pythagorean's Theorem.

Remember that Pythaogrean's Theorem is:

$a^2 + b^2 = c^2$