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Dafna1 [17]
3 years ago
14

Evaluate A) 34 B) 46 C) 40 D) 7, 10, 13, 16

Mathematics
2 answers:
mezya [45]3 years ago
8 0
The answer is B.

Hope this helped

tiny-mole [99]3 years ago
8 0
Basically what you do is .. Sum up (3x2+1) which gives you 7 
                                          Sum up (3x3 +1) which gives you 10
                                          Sum up (3x4+1) which gives you 13
                                          Sum up (3x5 +1) which gives you 16 and 
                       now that you have those numbers you're gonna add up 
                        the totals and you should end up with Answer B- 46, Hope I helped [:

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What is the value of x?<br><br><br><br> Enter your answer in the box.
Drupady [299]

Answer:

x = 111

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 7 , then

sum = 180° × 5 = 900

Sum the interior angles and equate to 900

x + 139 + 121 + 125 + 126 + 158 + 120 = 900

x + 789 = 900 ( subtract 789 from both sides )

x = 111

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2 years ago
8. The graph of a horizontal line is a function. True False
11111nata11111 [884]

Answer:

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7 0
3 years ago
Suppose that we wish to assess whether more than 60 percent of all U.S. households in a particular income class bought life insu
IceJOKER [234]

Answer:

A. 0.0049

B. Yes

Step-by-step explanation:

Sample proportion = 0.64

N = 1000

Population proportion = 0.60

We solve for standard deviation

= √p(1-p)/n

= √0.60(1-0.60)/1000

= √0.60x0.40/1000

= √0.00024

= 0.0155

A.

The probability of sample >=0.64

Z>=0.64-0.60/0.0155

Z >= 0.04/0.0155

So z >= 2.5806

Using excel this equal to 0.0049

0.0049 is probability of sample proportion being 0.64 at least.

B.

This answer in a shows that than 60% of households in the united states income class purchased life insurance last year.

3 0
2 years ago
the height of a tree was 12 feet. after a year, the tree's height increased 25%. what is the height of the tree after a year
Margaret [11]

Answer:

15 feet

Step-by-step explanation:

7 0
3 years ago
Triangle ABC is rotated 45° about point X, resulting in triangle EFD. If EF = 4.2 cm, DF = 3.6 cm, and DE = 4.5 cm, what is CB?
Margaret [11]
This is the concept of transformations, given that ABC was rotated it implies that it retained it's original dimensions. This means that ABC is proportional to EFD. Therefore, given that EF=4.2 cm, DF=3.6 cm and DE=4.5 cm. The CB=FD=3.6 cm
5 0
3 years ago
Read 2 more answers
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