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leva [86]
3 years ago
9

HELP PLEASE!! Math question— Please explain,,,

Mathematics
1 answer:
kozerog [31]3 years ago
6 0

Mean: 8.61

Sample Standard Deviation: 0.55

I hope this is correct

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A rectangle has sides with lengths (x+5) and (x+6) . Find the perimeter
Vika [28.1K]

Answer:

P = 4x + 22

Step-by-step explanation:

Formula

Perimeter = 2*L + 2*W

Givens

L = x + 6

W = x + 5

Solution

Perimeter = 2*(x + 6) + 2*(x + 5)     Remove the brackets on both terms

Perimeter = 2x + 12 + 2x + 10         Collect like terms

Perimeter = 4x + 22                       Answer

3 0
3 years ago
A computer manufacturer built a new facility for assembling computers. There were construction and new equipment costs. The comp
Alborosie

Answer:

The second graph is correct for this function.

Step-by-step explanation:

The company made combined profits of $40 million after 4 years. The profits increased $30 million per year.

Therefore the rate of change of profit function is 30 and the graph of profit function passing through the point (4,40).

Point slope of a linear function is

y-y_1=m(x-x_1)

y-40=30(x-4)

y-40=30x-120

Add 40 both sides.

y=30x-80

Therefore the profit function is defined as

y=30x-80

Put x=0

y=30(0)-80

y=-80

Therefore y-intercept of function is -80. So, second graph is correct for this function.

Y-intercept of first graph is positive and y-intercept of third and fourth graph  are more that -50, therefore option 1, 3 and 4 are incorrect.

3 0
3 years ago
Read 2 more answers
1. Write the first term of the arithmetic sequence whose first term is 7​, and whose common difference is 9.
Elis [28]

Answer:

first term: 7

find the 17th term : 102

fifteent term: 10

Step-by-step explanation:

hababa

6 0
3 years ago
Please help me grades all most here
Ghella [55]

Answer:

What about

Step-by-step explanation:

SUS :0000

jp I'm pretty sure its asa. forgive me if im  wrong.

5 0
3 years ago
How do I convert 0.4 into 1/250 how would I explain it???
Tatiana [17]
The decimal number 0.4 is equivalent to 4/10 in fraction form. This fraction can be reduced to its simplest form by dividing both the numerator and the denominator by their greatest common factor (GCF). The GCF of four and 10 is two. Therefore, 0.4 is equal to 2/5.
4 0
3 years ago
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