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olasank [31]
3 years ago
6

Work out the number of sides of

Mathematics
1 answer:
Vesna [10]3 years ago
5 0

Answer:

45 sides

Step-by-step explanation:

Using the property:

Interior angle + exterior angle = 180°

exterior angle = 8°

now, using the formula:

number of sides = 360/exterior angle

number of sides = 360/8

number of sides = 45 ANS.

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Janice saved three times as much money as Annie if any saved $45 how much did Janet save?
lyudmila [28]
First answer is 135 and Second answer is 900
8 0
3 years ago
What value of x satisfies this equation, 4/5 x - 6 = -2 ? Group of answer choices
andrew11 [14]

Answer:

12

Step-by-step explanation:

4/5 x -6 = -2

4 x -30 = -10

-120 = -10

12

5 0
3 years ago
5x6-1+3=28 brackets or braces should be added
Artyom0805 [142]
5 · (6 - 1) + 3
= 5·5 + 3
= 25 + 3
= 28
7 0
3 years ago
What value(s) of x will make each equation below true
Dahasolnce [82]

We need to solve for x. Let's try problem b:

2x-6=3x+1-x-7

Let us first combine line terms. 3x and -x as well as 1 and -7 can be combined. Let's do that:

2x-6=2x-6

Since this is true, your answer would be:

All real numbers

------------------------------------------------------------------

Let's solve for problem c:

3x+1=43

Let's isolate x, so subtract 1 from both sides:

3x=42

Since x can't have a coefficient, divide both sides by 3:

\frac{3x}{3}=\frac{42}{3}

x=14

So, only the value of 14 would make this equation true.

------------------------------------------------------------------

Let's try problem d:

4x-1=4x+7

Let's get our whole numbers on the right side. Add 1 to both sides:

4x=4x+8

Subtract 4x from the right side on both sides:

0=8

Since this is not true, your answer would be:

No solution

7 0
3 years ago
Square root of 19.4 rounded to the nearest hundredth
photoshop1234 [79]

Answer:

there is none.

Step-by-step explanation:

19.4, the lowest is tenths, you need another digit down for hundredths.

hope I helped!

5 0
3 years ago
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