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Whitepunk [10]
2 years ago
11

Any answers I need help

Mathematics
2 answers:
natulia [17]2 years ago
6 0

Answer:

(A) 21

Step-by-step explanation:

5x-15 needs to equal 90 since it is a right angle and 21 makes that true

(5*21)=105\\105-15=90

Luba_88 [7]2 years ago
3 0

Step-by-step explanation:

A+B=180

(9×+15)×(3×-15)=180

12×=180

×=180\12

×=15 ans,,

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Im having a hard time on this question and I hope you can help.
Masja [62]

The answer would be x ≠ 0

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

First start with the left side, doing distributive property

So... -2(x) = -2x and -2(5) = -10 Therefore on the left side you now have -2x -10

Next do the same on the right side

-2(x) = - 2x and -2(-2) = 4 so you have -2x + 4 + 5 and you add 4 and 5, leaving you with -2x + 9

Now that you have simplified both sides the problem now looks like this:

-2x - 10 = -2x + 9

Because you have equal terms on both sides (-2) those cancel out so you have -10 = 9

Just from looking at this we know that the statement is false because -1o does not equal 9

*The symbol, "≠" means not equal to"

3 0
3 years ago
Read 2 more answers
Please help me. 100 points for all answers. But u HAVE TO ANSWER THEM ALL OR BE REPORTED!
Masteriza [31]

Answer:

1)7 2/8

2) 4 1/2

3) 7 2/4

4) 4 3/5

5) 7 1/9

6) 3 2/8

I will add more answers once I add this answer.

Step-by-step explanation: 1) you divide the top number by 8 then you will get 7 with a remainder of 2. 7 is the whole number and 2 will be on top of the fraction. do the same with all other problems.

7 0
4 years ago
Pls help! Include the unit.
Bezzdna [24]
She swim 0.85 kilometers
4 0
3 years ago
Multiplicative inverse<br> 1.the number 0 (for the real numbers
Kobotan [32]
Division is the inverse of the multiplication.
5 0
4 years ago
(Too lazy to work it out.)
telo118 [61]

Answer:

c

Step-by-step explanation:

hope this helps

7 0
4 years ago
Read 2 more answers
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