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blondinia [14]
4 years ago
11

Help please thank you!!!!

Mathematics
1 answer:
Nana76 [90]4 years ago
4 0
1. You have that:

 - The trapezoids are similar.
 - The larger  base of the smaller trapezoid is 18 m and its area is 310 m².
 - The larger base of the larger trapezoid is 32 m.

 2. Then:

 Sides=18/32
 Sides=9/16

 Area=(9/16)²
 Area=81/256

 3. Now, you can find the area of the larger trapezoid, as below:

 81/256=310/x
 81x=(310)(256)
 x=79360/81
 x=980 m²

 Therefore, the answer is: The area of the larger trapezoid is 980 m².
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meriva

Answer: The value of test statistic = -10.67

Step-by-step explanation:

Test statistic for proportion:

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

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\hat{p} = sample proportion

AS per given,

p=0.94, n= 1004, \hat{p}=0.86

z=\dfrac{0.86-0.94}{\sqrt{\dfrac{0.94(1-0.94)}{1004}}}\\\\=\dfrac{-0.08}{\sqrt{\dfrac{0.0564}{1004}}}\\\\=\dfrac{-0.08}{\sqrt{0.0000561752988048}}\\\\=\dfrac{-0.08}{0.00749501826581}\\\\=-10.673756509\approx-10.67

i.e. the value of test statistic = -10.67

8 0
3 years ago
The science club went on a two day field trip. The first day the members paid $60 for Transportation plus $15 per ticket to the
DaniilM [7]
T= Total cost
m= # of members

Total equals $60 fee plus ($15 times # of members) plus $95 fee plus ($12 times # of members)

T= $60 + $15m + $95 + $12m
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EXPRESSION:
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Hope this helps! :)
5 0
3 years ago
Consider a political discussion group of 8 democrats, 8 republicans and 6 independent suppose the teo groups meme bet are random
BartSMP [9]

Answer:

The probability of selecting two democrats is 1/380

Step-by-step explanation:

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Here we are given the people as,

8 democrats, 8 republicans and 6 independent.

So total number of people are: 8+6+6=20

Probability of choosing first democrat = 1/20

Probability of choosing first democrat = 1/19

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#SPJ10

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2 years ago
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Anna11 [10]

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n = 2

Step-by-step explanation:

Solve this like you would for an Algebra problem :)

3n + 1.4n = 8.8\\4.4n = 8.8\\n = 2

4 0
3 years ago
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