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aksik [14]
2 years ago
6

Need help with number 3

Mathematics
1 answer:
MAVERICK [17]2 years ago
5 0
Vertical angles are always equal. The vertical angles are the ones opposite each other. Therefore x would equal 40.
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Compute and simplify 4 /9 + 13/18 show work
Darya [45]

Answer:

1\frac{1}{6}

Step-by-step explanation:

so first find the common denominator which is 162

so on 4/9 multiply 18 to denominater and numerator which makes it 72/162

next multiply 9 to numerator and denominator in 13/18 which makes it 117/162

so now add:

\frac{72}{162} +\frac{117}{162} = \frac{189}{162}

so now simplification.

189/162 can be reduced by 3

63/54 is our new answer. now we can reduce it by 9

7/6 is our new answer. now we must change it to a mixed number which is 1\frac{1}{6}

hope this helped!

6 0
3 years ago
A stop sign is in the shape of a regular octagon. A regular octagon can be created using eight triangles of equal area. One tria
Alex_Xolod [135]

Answer: the answer is B.) 1080 sq in

Step-by-step explanation: edge 2021 i took the test

5 0
2 years ago
Write two numbers that multiply to the value on top and add to the value on bottom.<br> 27<br> -12
mariarad [96]
Multiply 3x9 and it gives u 27
And -3 plus -9 equal -12
4 0
3 years ago
Read 2 more answers
70 divided by -3.5. How do I show the long division?
KiRa [710]

When dividing with negative and positive, the quotient is negative. 70 / -3.5 would be -2. Here is what the long division looks like:

4 0
3 years ago
Read 2 more answers
Which of the following constants can be added to x^2- 3x to form a perfect square trinomlal?
creativ13 [48]

Answer:

A 21/4

Step-by-step explanation:

When forming a perfect square trinomial you need to "complete the square".

All of the steps to completing the square when solving an equation:

1.  The leading coefficient must be 1.  

2.  Divide b by 2.

3.  Square (b/2)

4.  Add (b/2)^2 to both sides to keep the polynomial balanced.

5.  You can now write the perfect square trinomial and solve.

x^2 - 3x  

-3/2

(-3/2)^2 = 9/4 = 2 1/4

8 0
2 years ago
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