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tia_tia [17]
2 years ago
6

-12-(-8)+(-3) what is the answer to this question

Mathematics
2 answers:
Helen [10]2 years ago
7 0

Answer:

-7

Step-by-step explanation:

-12 -(-8) + (-3)

-12 + 8 - 3

= -7

Natali5045456 [20]2 years ago
3 0

Answer:

Step-by-step explanation:

-12-(-8)+(-3)= -12+8-3

=-12+-3+8

=  -15+8

= -7

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What is 4.39 mutiply 10 exponents 2
frez [133]
4.39×10exponent 2 the answer is 439
8 0
3 years ago
Given:• PQRS is a rectangle.• mZ1 = 50°Р21SRWhat is mZ2?130°85°70°65°
Over [174]

To answer this question, we need to recall that: "the diagonals of a rectangle bisect each other"

Thus, if we assign the point of intersection of the two diagonals in the rectangle as point O, we can say that the triangle OQR is an "isosceles triangle". Note that this is because the lengths OR and OQ are equal since we know that: "the diagonals of a rectangle bisect each other". See the below diagram for clarity.

Now, we have to recall that:

- the base angles of any isosceles triangle are equal. This is a fact, and this means that the angles

- also the sum of all the angles in any triangle is 180 degrees

Now, considering the isosceles triangle OQR, we have that:

\angle OQR+\angle ORQ+\angle ROQ=180^o

Now, since the figure already shows that angle m\angle2+\angle ORQ+50^o=180^oNow, since we have established that the base angles m\angle2+m\angle2+50^o=180^owe can now solve the above equation for m<2 as follows:

\begin{gathered} m\angle2+m\angle2+50^o=180^o \\ \Rightarrow2m\angle2+50^o=180^o \\ \Rightarrow2m\angle2=180^o-50^o \\ \Rightarrow2m\angle2=130^o \\ \Rightarrow m\angle2=\frac{130^o}{2}=65^o \end{gathered}

Therefore, the correct answer is: option D

7 0
1 year ago
PLZZZ HELP THIS IS A BIG PART OF MY GRADE!!!!!! PLZ DON'T JUST TAKE POINTS PLZZZZ. I ONLY NEED B!!
Ulleksa [173]

Answer: I need more evindence to answered it but I say its the third one

Step-by-step explanation:

4 0
2 years ago
Find the missing angle measure.<br><br> m
Alexeev081 [22]

Answer:43 degrees

Step-by-step explanation: 47+90=137 and 180-137= 43

5 0
2 years ago
Read 2 more answers
Evaluate the expressio <br>-6(-5)+12
natta225 [31]

First, multiply -6*-5. This equals (positive) 30 because the negative signs cancel out.

This leaves you with:

30+12

Doing the addition leaves you with 42.

The answer is 42.

I hope this helps :)

6 0
3 years ago
Read 2 more answers
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