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AveGali [126]
3 years ago
9

Simplify the expression: 2/3 (6e+9f-21g)

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
4 0

Answer:

4e + 6f - 14g

Step-by-step explanation:

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If the square root of 61 is the longest side length in the triangle and the shorter sides are x and x+1, find the value of x tha
Tju [1.3M]

Answer:

  x = 5

Step-by-step explanation:

You want to find x such that ...

  x^2 +(x +1)^2 = 61

  2x^2 +2x -60 = 0 . . . . . simplify, subtract 61

  x^2 +x -30 = 0 . . . . . . . divide by 2

  (x +6)(x -5) = 0 . . . . . . . . factor; solutions will make the factors be zero.

The relevant solution is x = 5.

5 0
2 years ago
What is the sum of the polynomials? ( 8x^2 -9y^2-4x) + (x^2- 3y^2- 7x) answer options are in the pics
algol [13]
(8x^2-9y^2-4x)+(x^2-3y^2-7x)

First, get rid of the parentheses and combine like terms

(8x^2+x^2)(-9y^2-3y^2)(-4x-7x)

9x^2-12y^2-11x is your answer
6 0
3 years ago
Read 2 more answers
Does anyone know how to find the answer to this one
WITCHER [35]

Answer:

C. 8 to the -12 power

Step-by-step explanation:

when dividing numbers with an exponent, if they are the same # like 8 and 8, then you just subtract the exponents so 4 - 16 = -12

3 0
2 years ago
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What should Equation B be multiplied by in order to eliminate the y variable in the system?
german
Multiply equation B by 5
5 0
3 years ago
Find the mean and the median of this data set: 9, 6, 5, 3, 28, 6, 4, 7
Ugo [173]

Answer:

The means is 8.5 The Median is 6

Step-by-step explanation:

1) to find the mean just Simply add all the numbers together and divided by how many numbers that is giving. (Because you are simply finding the average)

9+6+5+3+28+6+4+7=68

68 divided by 8 = 8.5

2) to find the median simply organize the numbers from least to greatest Like this: (3,4,5,6,6,7,9,28) Then keep crossing out from both sides teal you find the middle Number.

If there a odd amount of number the median will be one Number, if even 2 numbers ( if 2 numbers just add them both and divide by 2)

In This Case the Median is 6,6 but Its actually 6 Why (6+6=12) and (12/2=6) so your median is 6.

<em>Hopes This helps!</em>

8 0
3 years ago
Read 2 more answers
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