3 years ago

Find m∠(CDE) please and thank you

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

4 0

Check the picture below.

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A random sample of 41 cars in the drive-thru of a popular fast food restaurant revealed an average bill of $19.55 per car. The p

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Answer:

$19.55\pm2.145$

Step-by-step explanation:

We use the equation $\bar x\pm z^*\sigma/\sqrt n$ , where $\bar x=19.55$ , $\sigma=6.33$ , $n=41$ , and $z^*=2.17$ . We obtain $z^*$ from the z-score of a 0.97 confidence level.

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3 years ago

A. 42 b. 27 c. 12 d. 18

hodyreva [135]

The answer is B simple

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3 years ago

Solve for r and t: 6r - 3t = 6 6r + 8t = -16

MAVERICK [17]

Multiply the first equation with (-1)
you should get this

-6r + 3t = -6
6r + 8t = -16

start to eliminate

11t = -22

divide by 11

t = -2

substitute

6r - 3(-2) = 6
6r + 6 = 6
6r = 6 - 6
6r = 0
r=0

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3 years ago

if i got 20 on my maths test and 205 in my science and in my english i got 100 what was my total result out of 2000

laiz [17]

The answer is 325, 20 + 205 + 100 = 325

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3 years ago

The sand at the bottom of an hourglass has the approximate shape of a cone with a diameter of 9.85 cm and a height of 6 cm.

Murljashka [212]

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3 years ago

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