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Assoli18 [71]
2 years ago
11

Help me out please??

Mathematics
2 answers:
krek1111 [17]2 years ago
5 0

Answer:

2x+23

Step-by-step explanation:

PilotLPTM [1.2K]2 years ago
5 0

Answer:

39

Step-by-step explanation:

To find the perimeter you need to first find x. Because all of the angles are equal all of the sides must be equal too.

2x-3=x+5

x=8

2(8)-3+8+5+21-8

16-3=13+8=21+5=26+21=47-8=39

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Use absolute value to express the distance between 10 and −4.
Damm [24]

Answer:14

Step-by-step explanation: absolute value will always be a positive number. 10 away from 0 is 10. -4 from 0 is still 4. Add them together and you have 14

4 0
3 years ago
5 2/8-3 7/8=? I need help plzz
pychu [463]

Answer:

1 3/8

Step-by-step explanation:

5 2/8 - 3 7/8

= 42/8 - 31/8

= 11/8

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3 years ago
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A coin is flipped 50 times. In those 50 trials, 29 of the flips resulted in heads. What is the experimental probability of a coi
Oksana_A [137]
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3 years ago
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A triangle has one side length of 12 inches and another of 8 inches. Describe all possible lengths of the third side.
jasenka [17]

Answer:

The possible lengths of the third side is all real numbers greater than 4 inches and less than 20 inches

Step-by-step explanation:

we know that

<u>The Triangle Inequality Theorem</u>. states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side

Let

x -----> the possible lengths of the third side

Applying the Inequality Theorem

1) 12+8 > x

20 > x

Rewrite

x < 20 in

2) 8+x > 12

x> 12-8

x > 4 in

therefore

4 in < x < 20 in

The possible lengths of the third side is all real numbers greater than 4 inches and less than 20 inches

3 0
2 years ago
Which sequence matches the recursive formula?
goldenfox [79]
Hello:
<span>an = 2an-1 + 5, where a1 = 5
n =2   a2 = 2a1 +5 = 2(5)+5 = 15
</span>n =3  a3 = 2a2 +5 = 2(15)+5 = 35
n =4   a4 = 2a3 +5 = 235)+5 = 75
answer : 
<span>B) 
5, 15, 35, 75, ...</span>
4 0
3 years ago
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