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aleksley [76]
3 years ago
13

a survey of factories in five northeastern states found that 10% of the 300 workers surveyed were satisfied with the benefits of

fered by their employers. the margin of error for the population proportion is
Mathematics
1 answer:
DiKsa [7]3 years ago
5 0
Well I don't know if i'm answering the question, but 30 workers surveyed were satisfied with the benefits they received from the employers because 300 multiplied by .10 is 30. Hope my answer is useful.

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(05.06)A chocolate bar measures 40 mm wide, 80 mm long, and 5 and 1 over 2 mm high. Will’s Wrapping Company is making a wrapper
photoshop1234 [79]

Answer:

Will’s Wrapping Company needs 7,720 mm2 of paper to wrap the chocolate bar.

Step-by-step explanation:

we know that

The amount of paper needed to make the wrapper is equal to the surface area of the chocolate bar

The surface area of a rectangular prism (chocolate bar) is equal to

SA=2B+PH

where

B is the area of the base

P is the perimeter of the base

H is the height of he prism

In this problem we have

L=80\ mm\\W=5\frac{1}{2}\ mm=5.5\ mm\\H=40\ mm

<em>Find the area of the base</em>

B=LW=(80)(5.5)=440\ mm^2

<em>Find the perimeter of the base</em>

P=2(L+W)=2(80+5.5)=171\ mm

<em>Find the surface area</em>

SA=2(440)+171(40)\\SA=7,720\ mm^2

5 0
3 years ago
Can someone help me please
Ostrovityanka [42]

Answer:

D

Step-by-step explanation:

as we can easily see, the x-coordinates of all points increased by 7.

so, we need a solution with "x+7". that eliminates B and C.

with that transition (glide) the triangle moved to the right into the 4th quadrant.

and now, as a second step, it needs to move up, above the x-axis, into the 1st quadrant.

and that is a reflection across the x-axis.

a reflection across the y axis would bring it back into the 3rd quadrant, where it started.

so, it is D.

6 0
1 year ago
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ss7ja [257]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
2/3 x 4/7 write the answer in the simplest form
trapecia [35]

Answer:

8/21

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