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Komok [63]
3 years ago
5

Solve these problems not give tips solve

Mathematics
2 answers:
zubka84 [21]3 years ago
6 0
7.    2(3x-5) + 2(x+6)

8.    6x^2-8x+1 - (2x^2-5+2x^2-3x+4)

9.    5x^2+4
Norma-Jean [14]3 years ago
5 0
The correct answer is "please"
You might be interested in
Can someone help please?
REY [17]

Answer: 34

Step-by-step explanation:

(3x + 10) = (x + 52)

3x - x = 52 - 10

2x = 42

x = 21

--

= x + 52 + 3x + 10

= 4x + 62

= 84 + 62

= 126

--

y = 180 - 126

  = 34

<em>I hope this helped! :)</em>

8 0
3 years ago
1.The revenue for an amusement park can be modeled by R(x) = 80x -0.04x' where x
lorasvet [3.4K]

Answer:

i believe its b because this sounds familiar

Step-by-step explanation:

5 0
3 years ago
The observations 56, 58, 63 x-5 x+1 75 81, 85 have been
motikmotik

Answer:

The value of x is 66.

Step-by-step explanation:

The median of a data set is the term that separates the lower half of the set from the upper half.

In a set with even cardinality, the median is given by the mean of it's two middle terms.

In this question:

Cardinality: 8

Middle terms: 4th and 5th, which are x - 5 and x + 1.

The median is 64.

This means that:

\frac{x - 5 + x + 1}{2} = 64

2x - 4 = 128

2x = 132

x = \frac{132}{2}

x = 66

The value of x is 66.

5 0
3 years ago
I need help D: (The question is on the image!)
marshall27 [118]

I am sprry bit I am not sure if I got it right but 560 centimeters if you group the sum of each side and multiply it like 2(2+12)*2(4+6), maybe I switched the multiplications around

6 0
4 years ago
Read 2 more answers
Which of the following is a solution of y&gt; |x| - 5?<br> (4,-1)<br> (-1,-4)<br> (-4, 1)
Marrrta [24]

Answer:

(-4,1)

Step-by-step explanation:

Let us check the choices.

y > |x| - 5

- 1 > |4| - 5 = -1   NO  (4,-1);

-4 > |-1| - 5 = -4  NO not(-1,-4)

1 > |-4| - 5 = -1   TRUE, yes (-4,1)

4 0
4 years ago
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