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pav-90 [236]
3 years ago
6

If todd spent 4.5 hours studying last week, how many minutes did he spend studying?

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
7 0

Answer:

B

270 minutes= 4.5 hours

34kurt3 years ago
5 0

Answer:

It would be B.

Step-by-step explanation:

4.5 hours = 270 minutes

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When adding 35.64 to a certain number, the sum is 38.24, as seen below. What number should go in the box to complete the additio
Lunna [17]

Answer:

it would be 2

Step-by-step explanation:

5he answer is two so you subtract and then add and then multiply to get your answer 6ou divide it by pie

6 0
2 years ago
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In downtown Charlotte, building inspectors must regulate the height of buildings. From the top of the BB&T building which is
Morgarella [4.7K]

Answer:

296.89 m

Step-by-step explanation:

assuming that both the buildings are on level ground (i.e their bases are at the same elevation), see attached.

5 0
2 years ago
f a sampling distribution is created using samples of the amounts of weight lost by 51 people on this diet, what would be the st
galina1969 [7]

This question is incomplete, the complete question is;

A study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 24.6 pounds and a standard deviation of 8.0 pounds.

Step 2 of 2 : If a sampling distribution is created using samples of the amounts of weight lost by 51 people on this diet, what would be the standard deviation of the sampling distribution of sample means? Round to two decimal places, if necessary.

Answer:

the standard deviation of the sampling distribution of sample means is 1.12

Step-by-step explanation:

Given the data in the question,

population mean; μ = 24.6  pounds

Population standard deviation; σ = 8.0 pounds

sample size; n = 51

Now determine the standard deviation of the sampling distribution of sample means.

standard deviation of the sampling distribution of sample means is simply

⇒ population standard deviation / √sample size

= 8.0 / √51

= 8.0 / 7.141428

= 1.120224 ≈ 1.12

Therefore, the standard deviation of the sampling distribution of sample means is 1.12

5 0
3 years ago
Find the area of a rectangle with a length of 5 1/3 inches and a width of 2/3 inch
neonofarm [45]

Step-by-step explanation:

length \: of \: rectangle \\ l = 5 \frac{1}{3} \:  inches =  \frac{16}{3}  \:inches  \\  \\ width \: of \: rectangle \:  \\ w =  \frac{2}{3}  \: inch \\  \\ area \: of \: rectangle \\  = l \times w \\  \\  = \frac{16}{3}  \times \frac{2}{3} \\  \\  =  \frac{32}{9}  \\  \\ \red{ \boxed{  \therefore  area \: of \: rectangle = 3 \frac{5}{9}  \:  {inch}^{2} }}

4 0
3 years ago
Z varies directly as x^3 and inversely as y^3. If z=167 when x = 3 and y=10, find z if X=4 and y=6
Liula [17]

Answer is 1832.7

step by step

z=kx^3 / y^3

167=27k/1000

k=16700/27

k=6185.2, then

z=6185.2×4^3/6^3

z=6185.2×64/216

z=1832.7

8 0
2 years ago
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