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katrin2010 [14]
3 years ago
12

Please help D:

Mathematics
1 answer:
lawyer [7]3 years ago
3 0
The answer is <span>The sum is 10 · 11.
</span>
The first 10 positive even numbers are:
2, 4, 6, 8, 10, 12, 14, 16, 18, 20

Their sum is:
 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 110

Now, let's present it as two factors:
110 = 11 * 10
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I really need help with this test ???
wel

Answer:

burdan yerine aslıhda bunun cevüplarını veren sayfalar oluyo 10 dk de araştır bulursun

7 0
3 years ago
Why is it important to use estimation when solving problems
stellarik [79]
Well, it might not be important for most problems but..
If you're dividing, and the answer is a repeat..
You can estimate.

Example - 2.678 | You can estimate it to 2.68 and use that as an answer instead of a very long answer that's repeated.

I hope this helps.
5 0
4 years ago
Find the length of side Y (this is from the geometry for enjoyment and challenge textbook) PLEASE ANSWER ASAP IT'S DUE TOMORROW!
Ymorist [56]

Answer:

y= 3

Step-by-step explanation:

The triangle on the left is a right triangle, so we can use trig functions to solve for the missing side, y.

First, find the length of the side that both triangles are connected to.

tan30=x/9

Isolate the x variable and solve.

9(tan30)=x

x= 5.19615

Now use the Pythagorean Theorem to solve for the side length, y.

a^2+ b^2 = c^2

(5.19615)^2+ b^2= 6^2

c= 3

4 0
3 years ago
What is the value of a?
Kisachek [45]
The answer is 41.41
Since we know the side that is opposite to a, and the hypotenuse, we have enough information to get the cosine of a. The cosine is 45/60. If we know the cosine of an angle, we can get the arccos of that value to get the angle. The arccos of 45/60 is about 41.41.

5 0
3 years ago
Simplify and show your steps: 4(3x + 2) -2
Stells [14]
4*3x=12x
4*2=8
12x+8-2=12x+6
Answer is 12x+6
5 0
3 years ago
Read 2 more answers
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