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VLD [36.1K]
4 years ago
10

If a rectangle has a width of 3 and an area of 15 what is the length

Mathematics
1 answer:
IceJOKER [234]4 years ago
8 0

Answer:

The length is 5

Step-by-step explanation:

15 divided by 3 is 5

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What is the value of y
laila [671]

Step-by-step explanation:

can you retake the picture so i can see it more clearly. please and thank you

3 0
3 years ago
Help‼️What is the volume of the cylinder below?
Grace [21]

V(cylinder) = base*height =(πr²)h = π*4²*6=96π


Answer: B. 96π units³.

8 0
3 years ago
Read 2 more answers
Sarah walks 20 feet away from her house and places a mirror on the ground. She backs 5 feet away from the mirror so that she can
Vikki [24]

Answer:

16 feet

Step-by-step explanation:

As said in the problem statement, the angles between the top of the house, the mirror, and the ground and between Sarah's eyes, the mirror, and the ground are congruent.

We also know that Sarah and the house are perpendicular to the ground.

So if we draw a triangle from the top of the house, to the mirror, to the bottom of the house, and another triangle from Sarah's eyes, to the mirror, to Sarah's feet, we get two triangles that have the same angles.  Therefore, the triangles are similar, and we can write a proportion:

4 / 5 = h / 20

h = 16

The house is 16 feet tall.

4 0
3 years ago
Suppose 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea. Use a 0.05 significance
lana66690 [7]

Answer:

Null Hypothesis, H_0 : p = 0.20  

Alternate Hypothesis, H_a : p > 0.20  

Step-by-step explanation:

We are given that 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea.

We have to use a 0.05 significance level to test the claim that more than 20​% of users develop nausea.

<em>Let p = population proportion of users who develop nausea</em>

So, <u>Null Hypothesis,</u> H_0 : p = 0.20  

<u>Alternate Hypothesis</u>, H_a : p > 0.20  

Here, <u><em>null hypothesis</em></u> states that 20​% of users develop nausea.

And <u><em>alternate hypothesis</em></u> states that more than 20​% of users develop nausea.

The test statistics that would be used here is <u>One-sample z proportion</u> test statistics.

                     T.S. =  \frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }   ~ N(0,1)

where,  \hat p = proportion of users who develop nausea in a sample of 241 subjects =  \frac{54}{241}  

             n = sample of subjects = 241

So, the above hypothesis would be appropriate to conduct the test.

6 0
4 years ago
Solve (-6)(-7)=show the answer
Snowcat [4.5K]

Answer:

(-6)(-7)= +42

Step-by-step explanation:

(-6)(-7)

a negative multiplied with another negative has always a positivo answer,thus our result is positive

-6×-7= 42

7 0
3 years ago
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