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maxonik [38]
3 years ago
9

Laurel wants to build a fence around her square garden. Each side measures 50 feet. She also wants to fence in 3 square rose bed

s next to her garden. Each side of a bed measures 10.5 feet. How many feet of fencing does Laurel need in all?
Mathematics
1 answer:
Rufina [12.5K]3 years ago
3 0
Laurel needs 210.5 feet of fence
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I need help fast plss ive failed this test 7 times already​
liberstina [14]

it's either a or b, not sure but I think it's b

5 0
2 years ago
-5=×÷-10<br><img src="https://tex.z-dn.net/?f=%20-%205%20%3D%20%20%5Cfrac%7B%20%5Ctimes%20%20%7D%7B%20-%2010%7D%20" id="TexFormu
Genrish500 [490]

Answer:

50

Step-by-step explanation:

-5(-10) = x/-10 (-10)

50 = x

4 0
3 years ago
A solid has faces that consist of 1 pentagon, 5 congruent equilateral triangles, and 5 congruent squares. The solid has 11 verti
mrs_skeptik [129]
So the solid consist of 1 pentagon, 5 congruent equilateral triangle and 5 congruent squares and has 11 vertices so the number of edges of this solid is 20. I hope you are satisfied with my answer and feel free to ask form more if you have more clarifications.
5 0
3 years ago
A group of researchers wants to know whether men are more likely than women to contract a novel coronavirus. They surveyed two r
olasank [31]

Answer:

Test statistic Z= 0.13008 < 1.96 at 0.10 level of significance

null hypothesis is accepted

There is no difference proportion of positive tests among men is different from the proportion of positive tests among women

Step-by-step explanation:

<em>Step(I)</em>:-

Given surveyed two random samples of 390 men and 360 women who were tested

first sample proportion

                    p_{1} = \frac{360}{390} = 0.9230

second sample proportion

                  p_{2} = \frac{47}{52} = 0.9038

Step(ii):-

Null hypothesis : H₀ : There is no difference  proportion of positive tests among men is different from the proportion of positive tests among women

Alternative Hypothesis:-

There is difference between proportion of positive tests among men is different from the proportion of positive tests among women

 

Z = \frac{p_{1}- p_{2} }{\sqrt{PQ(\frac{1}{n_{1} }+\frac{1}{n_{2} }  } }

where

          P = \frac{n_{1}p_{1} +n_{2}  p_{2} }{n_{1}+n_{2}  }

         P =  0.920

Z= \frac{0.9230-0.9038}{\sqrt{0.920 X0.08(\frac{1}{390}+\frac{1}{52}  } )}

Test statistic Z =  0.13008

Level of significance = 0.10

The critical value Z₀.₁₀ = 1.645

Test statistic Z=0.13008 < 1.645 at 0.1 level of significance

Null hypothesis is accepted

There is no difference proportion of positive tests among men is different from the proportion of positive tests among women







7 0
3 years ago
best answer will be awarded the brainliest and 5 stars choose the best estimate for 278 divided by 59 select the correct answer
Alex Ar [27]
278 divided by 59 is 4.712, which can be rounded to 5
the answer is d. 5
5 0
3 years ago
Read 2 more answers
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