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omeli [17]
3 years ago
8

Does anyone know how to solve (2 Times x) + 5 =31

Mathematics
2 answers:
Anika [276]3 years ago
8 0
X = 13 hope it helped
Katarina [22]3 years ago
8 0
I think it’s 13 hope you get it right
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30 points! Find the four arithmetic means between -17 and 32.
bearhunter [10]

Answer: - 7.2 , 2.6 , 12.4 and 22.2

Step-by-step explanation:

Let the arithmetic means be p , q , r ,s , therefore , the sequence becomes:

-17 , p , q , r , s , 32

The first term (a ) = -17

Last term (L) = 32

common difference (d) = ?

number of terms (n ) = 6

We will use the formula for calculating the last term to find the common difference. That  is

L = a + (n - 1 ) d

Substituting the values , we have

32 = -17 + (6-1) d

32 = -17 + 5d

32 + 17 = 5d

49 = 5d

Therefore: d = 9.8

We can therefore find the values of p , q , r , and s

p is the second term , that is

p = a + d

p = -17 + 9.8

p = -7.2

q = a + 2d

q = - 17 + 19.6

q = 2.6

r = a + 3d

r = - 17 + 29.4

r = 12.4

s = a + 4d

s = - 17 + 39.2

s = 22.2

Therefore : the arithmetic means are : - 7.2 , 2.6 , 12.4 and 22.2

8 0
3 years ago
The dot plot represents the amount of rain recorded by rain gauges in different locations around a city. A number line going fro
adell [148]

Answer:

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2 years ago
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The legs of a right triangle are 5 and 7 cm long, respectively. What is the length of the hypotenuse? If necessary, round your a
valentinak56 [21]
A squared plus B squared equals C squared, so what you need to do it square 5 and 7. 5 = 25 7 = 48 Then add then and square root your answer. 48 + 25 = 73. 73 square rooted equals an rounded amount of 8.6. SO the answer is D
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Step-by-step explanation:

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2 years ago
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Which is equivalent to 80^1/4x ?
Anestetic [448]

Answer: This expression is equivalent to 3^x

Step-by-step explanation: In this question the important concept is to write 80 in exponential form and multiply the exponents.

=80^1/4x

=(3^4)^1/4x

=3^x

4 0
2 years ago
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