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2 years ago

8y and y are like terms true or false

Mathematics

2 answers:

castortr0y [4]2 years ago

7 0

Answer:

True

Step-by-step explanation:

Hope this helps :)

jeka942 years ago

4 0

Answer: True
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I will give 50 points

kupik [55]

Answer:

High

Step-by-step explanation:

the only numbers that don't overlap is 53 and 59 all the others would overlap.

5 0

2 years ago

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Bill paid $2.49 for 5 pounds of rice. What could be cost of 9 pounds

Nadya [2.5K]

Answer:

$\boxed{\sf Cost \ of \ 9 \ pounds \ rice =\$ 4.482}$

Given:

5 pounds rice cost $2.49

To Find:

Cost of 9 pounds rice

Step-by-step explanation:

5 pounds rice cost $2.49

1 pound rice will cost $ $\sf \frac{2.49}{5}$

So,

9 pounds rice cost = 1 pound rice cost × 9

= $ $\sf \frac{2.49}{5} \times 9$

= $0.498 × 9

= $4.482

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4 years ago

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Given right triangle ABCABC with altitude \overline{BD} BD drawn to hypotenuse ACAC. If BC=10BC=10 and DC=5,DC=5, what is the le

Helen [10]

Answer: $\overline{AC}=$ 12.5

Step-by-step explanation: The triangle ABC and its altitude $\overline{BD}$ is represented in the figure below.

<u>Altitude</u> is a segment of line that link a vertex and the opposite side, forming a right angle.

So, because of $\overline{BD}$ , now we have two similar triangles, which means that ratios of corresponding sides are equal:

$\frac{\overline{BD}}{\overline{BC}} =\frac{\overline{AD}}{\overline{BD}}$

$\overline{BD}^{2}=\overline{BC}.\overline{AD}$ (1)

This is always true for a right triangle and a altitude drawn to the hypotenuse.

Triangle BDC is also right triangle. So, we can use Pythagorean theorem to determine the missing side.

$\overline{BC}^{2}=\overline{CD}^{2}+\overline{BD}^{2}$

$\overline{BD}^{2}=\overline{BC}^{2}-\overline{CD}^{2}$ (2)

Substituting (2) into (1):

$\overline{BC}^{2}-\overline{CD}^{2}=\overline{BC}.\overline{AD}$

We want to find f, so:

$\overline{AD}=\frac{\overline{BC}^{2}-\overline{CD}^{2}}{\overline{BC}}$

$f=\frac{10^{2}-5^{2}}{10}$

f = 7.5

The length of $\overline{AC}$ is

$\overline{AC}=f+5$

$\overline{AC}=7.5+5$

$\overline{AC}=12.5$

The length of the hypotenuse of triangle ABC is 12.5 units.

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3 years ago

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Solve each equation <br>x+1/8=8/x-1

Westkost [7]

X= Square root of 65.

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3 years ago

1. A spherical mold is used to create chocolate candy. What is the volume of the mold?

guapka [62]

The equation for volume of a sphere is pi(r)^3 This mean that the equation would be pi(11)^3 which equals 1331pi

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3 years ago