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meriva
2 years ago
11

Anybody???????????????

Mathematics
2 answers:
telo118 [61]2 years ago
6 0

Answer:

E , G, B

Step-by-step explanation:

I did it

Ghella [55]2 years ago
3 0

Answer:

Correct: e, b, g

incorrect: c, a

Step-by-step explanation:

The angle adjacent (across from) to the given angle is the same as the given angle. So that means that f=128.

360° in a circle

128+128=256 degrees taken in the circle

360-256=104 degrees remaining in the circle

c and e are adjacent so we know they're the same. We can divide the remaining degrees by 2.

104/2=52

c=52, e=52

Assuming the two lines are parallel, because they have the same line intersecting them, the bottom degrees are the same as the top.

b=128, g=52, h=128, a=52

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The length of a rectangle is 3 meter shorter than3 times its width.Find the length and width if the perimeter is 210 meters
Shkiper50 [21]

Answer:

length = 78 m , width = 27 m

Step-by-step explanation:

let w represent width then length l = 3w - 3

the perimeter (P) is calculated as

P = 2l + 2w = 210 , substitute values

2(3w - 3) + 2w = 210 ← distribute parenthesis and simplify left side

6w - 6 + 2w = 210

8w - 6 = 210 ( add 6 to both sides )

8w = 216 ( divide both sides by 8 )

w = 27 and l = 3(27) - 3 = 81 - 3 = 78

Then length = 78 m and width = 27 m

8 0
3 years ago
Write the numbers 57,000,000,000 and 19,000 in scientific notation. Then show how to divide 57,000,000,000 by 19,000 using prope
LenaWriter [7]

Answer:

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Step-by-step explanation:

8 0
3 years ago
5 6 costs $150 to rent a party room at Pizza-n-Games, plus $6 per person for pizza and $5 per person for game ckets. The express
creativ13 [48]

Answer:

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Step-by-step explanation:

4 0
2 years ago
Write a number that has a hundreds digit that is greather than its tens digits
kvasek [131]

Answer:

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Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence i
mash [69]

Complete Question

A biologist reports a confidence interval of (3.5,4.9) when estimating the mean height (in centimeters) of a sample of seedlings. What is the estimated margin of error and the sample mean?

Answer:

The  margin of error is  E = 0.7

The  sample mean is  \=  x  =  4.2

Step-by-step explanation:

from the question we are told that

   The  upper limit is  k  =  4.9

    The  lower limit is  r = 3.5

Generally the margin of error is mathematically represented as

      E =  \frac{k - r}{ 2}

      E = \frac{ 4.9  -  3.5 }{2}

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Generally the sample mean is mathematically evaluated as

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=>    \= x  =  4.9 - 0.7

=>    \=  x  =  4.2

4 0
3 years ago
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