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4 years ago

BRAINLIEST WILL BE AWARDED PLEASE HELP

Mathematics

2 answers:

Harman [31]4 years ago

6 0

3 is the answer. Both lines meet at 3.

Hope this helps!

o-na [289]4 years ago

5 0

X=3
Just look at where the two lines intercept and see the x value

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If sin (7y) = cos (5y + 14), find y.

Reil [10]

Answer:

Step-by-step explanation:

sin(7y)=cos(5y+14)=sin(90-(5y+14))=sin(76-5y)

7y=76-5y

12y=76

y=76/12=19/3

sin(7y)=cos (5y+14)=sin (90+(5y+14))=sin (5y+104)

7y=5y+104

2y=104

y=52

7 0

4 years ago

Find the perimeter of each rectangle.

alexdok [17]

Answer: A) 66 In

Step-by-step explanation:

2 sides are 23 Inches

2 Sides are 10 Inches

So you add 23 + 23 + 10 + 10 = 66 to get the perimeter

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3 years ago

What is the value in the figure above?

Elan Coil [88]

Answer: i can’t read it could try upload it again

Explanation: Henlo :3

6 0

3 years ago

Read 2 more answers

Does the model below represent the problem, 3/7 x 1/9? Explain your answer.

TEA [102]

7 lines up and down and 3 lines shaded so 3/7 would be your answer

6 0

3 years ago

A sociologist recently conducted a survey of senior citizens who have net worths too high to qualify for Medicaid but have no pr

hjlf

Answer:

a) $s= 9.74$

D. 9.74

b) $Median= 74$

B. 74

Step-by-step explanation:

Part a

We have the following dataset given:

69 74 75 62 70 93 64 69 61 88 67 77 87 90 66 91 77 63 82 82 71 74 76 65 83

We can begin calculating the sample mean with the following formula:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X = 75.04$

Now we can calculate the sample deviation with the following formula:

$s =\sqrt{\frac{\sum_{i=1}^n (X_i-\bar X)^2}{n-1}}$

And after replace we got:

$s= 9.74$

Part b

For this case we need to sort the value on increasing way:

[1] 61 62 63 64 65 66 67 69 69 70 71 74 74 75 76 77 77 82 82 83 87 88 90 91 93

And the median would be the value in the position 13 and we got:

$Median= 74$

6 0

3 years ago