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Mila [183]
3 years ago
14

A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?

Mathematics
2 answers:
Harman [31]3 years ago
7 0
I hope this helps you

dalvyx [7]3 years ago
6 0

Answer:

A) 32.5 is the correct answer

Step-by-step explanation:


You might be interested in
3/4
Rudiy27

Answer:

1.25 serving(s)?

Step-by-step explanation:

3/4 is a serving yes?

if you add the 1/4, than you get a cup getting 1 1/4 a serving

i changed the 1/4 to .25 because it makes more sense

8 0
2 years ago
A nurse is investigating the birth weights of​ non-premature babies. She selects a random sample of 41 such​ babies, and found a
kherson [118]

Answer:

The 95​% confidence interval for the mean birth weight of all ​non-premature babies is between 3350.4 grams and 3662.4 grams. This means that we are 95% sure that true mean birth weight of all non-premature babies is in this interval.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 41 - 1 = 40

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 40 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.0211

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.0211\frac{494.2}{\sqrt{41}} = 156

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 3506.4 - 156 = 3350.4 grams

The upper end of the interval is the sample mean added to M. So it is 3506.4 + 156 = 3662.4 grams

The 95​% confidence interval for the mean birth weight of all ​non-premature babies is between 3350.4 grams and 3662.4 grams. This means that we are 95% sure that true mean birth weight of all non-premature babies is in this interval.

6 0
3 years ago
7) Place the following numbers in order form least to
Olin [163]

Answer:

-4<-2<2<4<7

(least to greatest)

4 0
3 years ago
What is the reciprocal of 2/9
brilliants [131]
The reciprocal of any number is the other number you must multiply it by to equal one. In this case it's 9/2
5 0
3 years ago
Read 2 more answers
7(x-2) - 3x + 5 = -2 (5x-4) + 4<br> Please help asap! - xxx
Oxana [17]

Answer:

x=

2

3

​

=1.500

Step-by-step explanation:

(((7•(x-2))-3x)+5)-((0-2•(5x-4))+4)  = 0

STEP

2

:

Equation at the end of step 2

 ((7 • (x - 2) -  3x) +  5) -  (12 - 10x)  = 0

STEP

3

:

STEP

4

:

Pulling out like terms

4.1     Pull out like factors :

  14x - 21  =   7 • (2x - 3)

Equation at the end of step

4

:

 7 • (2x - 3)  = 0

STEP

5

:

Equations which are never true

5.1      Solve :    7   =  0

This equation has no solution.

A  non-zero constant never equals zero.

Solving a Single Variable Equation:

5.2      Solve  :    2x-3 = 0

Add  3  to both sides of the equation :

                     2x = 3

Divide both sides of the equation by 2:

                    x = 3/2 = 1.500

One solution was found :

x = 3/2 = 1.500

5 0
3 years ago
Read 2 more answers
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