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3 years ago

Please help!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Andre45 [30]3 years ago

8 0

Answer:

its 38

Step-by-step explanation:

angles that are vertical to each other are the same

Anastasy [175]3 years ago

4 0

Answer:

angle KHL would be 80 degrees, because the angles next to it add up to 100 degrees, and they all have to form a supplementary angle.

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Connor bought a baseball card eight years ago that has depreciated (goes down in value) by $120 since he purchased it. Find the

Flura [38]

Answer:

-$15

Step-by-step explanation:

To find the average yearly change, divide -120 by 8, since it has decreased by $120 over 8 years.

-120/8

= -15

So, the average yearly change in the value of the card is -$15

6 0

3 years ago

Read 2 more answers

Kyle wants to earn as many points as possible in one turn in a game. Two number cubes whose sides are numbered 1 through 6 are r

qwelly [4]

Answer:

Kyle should choose Option B. The mathematical expectation of this option is 7 and is the greater mathematical expectation of the two options.

Step-by-step explanation:

i took the k-12 quiz

goodluck

5 0

3 years ago

Can someone pls help with this? i’ll give brainliest :)

raketka [301]

Answer:

D (I think)

Step-by-step explanation:

I used a right triangle calculator and that was the answer

Below is the process the calculator did, hope it helps.

$c = \sqrt{a^{2} +b^{2}$

$\sqrt{12^{2} + 9^{2} } = 15$

6 0

3 years ago

What is 9a+2b+14-7a+5b+4

Mila [183]

Answer:

2a+7b+18

Step-by-step explanation:

combine the like terms

6 0

3 years ago

What is the formula for calculating the area of a circle.

Tom [10]

Answer:

$A=\pi\times r^2$

Step-by-step explanation:

In order to find the area of a circle we multiply π by the radius, and to find the radius of a circle we have to look at the line that stops directly in the middle of the circle.

$\pi\times r$

Once we then have the radius, we simply multiply the radius, (with an exponent of 2) by π and then we will have our answer. Of course, round if needed.

$A=\pi\times r^2$

Hope this helps.

6 0

3 years ago