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galina1969 [7]
3 years ago
7

A suitcase measures 21 inches by 16 inches. What is the length of the diagonal of the suitcase to the nearest tenth of an inch?

Mathematics
1 answer:
kap26 [50]3 years ago
7 0

Answer:

Step-by-step explanation:

we have a rectangle that measure 21 inches by 16 inches

to find the rectangle(which is the hypotenuse)  we will use Pythagorean theorem

c^=a^2+b^2

c^=21^2+16^2=697

c=\sqrt697} =26.40 which rounded to the nearest tenth =26

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Question 8...................
miv72 [106K]

Answer:

(a) 53%

(b) 25%

Step-by-step explanation:

There are 51 families who are Not a Homeowner and who own No car or one car, and there are 108 families who are Not a Homeowner and who own Two or more cars. You can add these two numbers together to find how many families are <u>only</u> not a Homeowner - no matter how many cars they own the question doesn't ask that. You do the same thing for question b; you add up 24 and 51 to get 75 total families who have no car or one car. However, despite all that I've said, the question asks for a percentage. So you have 159 families for question a. Just divide 159 by 300 and that'll give the decimal that you need to convert into a percent. It'll be 53%. And for question b, you have 75 families out of 300 who have no car or one car. So do 75 divided by 300 and you'll get 25%.

3 0
3 years ago
Question 11 options:
Fiesta28 [93]

Answer:

the third pumpkin weighs 6 pounds

Step-by-step explanation:

(\frac{5 + 4 + x}{3} ) = 5

multiple both sides by 3

5 + 4 + x = 15

9 + x = 15

subtract 9 from both sides

x = 6

6 0
3 years ago
The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. If 64 women are
shtirl [24]

Answer:

0.3569 is the probability that they have a mean pregnancy between 266 days and 268 days.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ =  268 days

Standard Deviation, σ =  15 days

We are given that the distribution of lengths of pregnancies is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

Standard error due to sampling =

\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{15}{\sqrt{64}} = \frac{15}{8}

P(pregnancy between 266 days and 268 days)

P(266 \leq x \leq 268) = P(\displaystyle\frac{266 - 268}{\frac{15}{8}} \leq z \leq \displaystyle\frac{268-268}{\frac{15}{8}}) = P(-1.0667 \leq z \leq 0)\\\\= P(z \leq 0) - P(z < -1.067)\\= 0.5000 - 0.1431 = 0.3569 = 35.69\%

P(266 \leq x \leq 268) = 35.69\%

6 0
3 years ago
Tablet: $439, 40% off find the discount
swat32

Answer:

439 x 0.4 = 175.6 so the discount is 175.6

Step-by-step explanation:

40% is equal to 0.4 and you just multiply. If you want to find the discount price just subtract the discount off.

Hope this helps can I have brainliest

3 0
3 years ago
Dylan owes half as much money as he used to owe. If he used to owe $28, which of the following expressions would reflect how muc
Ivahew [28]
28/2 or 28 x (1/2)
You can either divide $28 by 2 or multiply it by (1/2)
3 0
3 years ago
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