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Alika [10]
3 years ago
15

How to find missing angles​

Mathematics
1 answer:
aliina [53]3 years ago
5 0

Since we know that a triangle equals to 180 degrees, we should start by adding together the two known angles inside the triangle. To determine to measure of the unknown angle, be sure to use the total sum of 180 degrees. If two angles are given, add them together and then subtract from 180 degrees. If two angles are the same and unknown, subtract the known angle from 180 degrees and then divide by 2.

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How many 1/8 inch cubes fill the rectangular prism?
zepelin [54]
You are correct it's 36 9/16
5 0
3 years ago
Help me I don’t understand please
melisa1 [442]

Answer:

m<2= 48

m<3= 52

m<4= 48

Step-by-step explanation:

the opposite of 1 is 3 so 3 is 52 bc  opposite angles have the same degree

to find angle 4 you subtract 90 by 52 bc 90 is the total for angle 1 and 4

to find angle 2. u find the opposite of it which is 42 and like i said opposite angles have the same degree

hope this helps

8 0
3 years ago
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5 0
2 years ago
20 POINTS~<br><br> 2/5 |5x+10| -14 &gt; -6<br> Please explain both answers
Pavlova-9 [17]

Answer:

x2

Step-by-step explanation:

We have the inequality:

\frac{2}{5}|5x+10|-14>-6

First, we can factor out a 5 from our absolute value. This yields:

\frac{2}{5}(5|x+2|)-14>-6

Simplify:

2|x+2|-14>-6

Add 14 to both sides:

2|x+2|>8

Divide both sides by 2:

|x+2|>4

Definition of Absolute Value:

x+2>4\text{ or } -(x+2)>4

Solve each case individually:

Case 1:

x+2>4

Subtract 2 from both sides:

x>2

Case 2:

-(x+2)>4

Divide both sides by -1. Flip the sign:

x+2

Subtract 2 from both sides:

x

So, our answers are:

x2

Since our inequality is a <em>greater than</em>, we will have an "or" inequality.

So, our answer is all values left to the first solution and all values to the right of the second solution:

x2

And we're done!

5 0
3 years ago
Factorise and solve x^2 + 4x -21 = 0
Korvikt [17]

Answer:

(x + 7) (x - 3)

Step-by-step explanation:

Find 2 numbers that add to 4 and multiply to -21

(x + 7) (x - 3)

3 0
2 years ago
Read 2 more answers
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