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motikmotik
3 years ago
11

In triangle ABC, the length of side AB is 19 inches and the length of side BC is 25 inches. Which of the following could be the

length
of side AC?
a) 46 inches
b) 29 inches
c) 4 inches
d) 49 inches
Mathematics
1 answer:
Tpy6a [65]3 years ago
6 0

Answer:

the answer is B -29 inches

Step-by-step explanation:

do the math they added 5 inches to 19 so just add 5 more inches

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For this you will have to make a tree diagram
it will be so much easier although there is a way to do it

probability of getting heads is = 1/2 there for 10 tosses its (1/20)^10

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What is 1/9 of a quart
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Fire Fighters are attempting to rescue people from the 3rd floor of a building. The
Daniel [21]

Answer:

If it's where they can get to the building I think it's 15

Step-by-step explanation:

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7 0
3 years ago
A paint manufacturer uses a machine to fill gallon cans with paint​ (1 galequals128 ​ounces). The manufacturer wants to estimate
kvasek [131]

Answer:

a) To determine the minimum sample size we need to use the formula shown in the picture 1.

E is the margin of error, which is the distance from the limits to the middle (the mean) of the confidence interval. This means that we have to divide the range of the interval by 2 to find this distance.

E = 0.5/2 = 0.25

Now we apply the formula

n = (1.645*0.80/0.25)^2 = 27.7 = 28

The minimum sample size would be 28.

b) To answer the question we are going to make a 90% confidence interval. The formula is:

(μ - E, μ + E)

μ is the mean which is 127. The formula for E is shown in the picture.

E = 0.80*1.645/√8 = 0.47

(126.5, 127.5)

This means that the true mean is going to be contained in this interval 90% of the time. This is why it doesn't seem possible that the population mean is exactly 128.

7 0
3 years ago
Please help, need answer fast!
AleksandrR [38]
The answer is
B. 13ab

5ab+9ab-ab
=(5ab+9ab)-ab
14ab-ab
=13ab

Hope it helped : )
3 0
3 years ago
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