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2 years ago

PLEASE HELP!!! I don't get this and I really need help on this

Mathematics

1 answer:

Rzqust [24]2 years ago

4 0

Answer:

hola nose si sepas español

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Seven times the product of negative six and a number

jonny [76]

7 times -6x, because “a number” can be replaced with x

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2 years ago

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Jason and Yolanda both drew a simple random sample from a non-normally distributed population of 25,000. Jason’s sample consiste

UkoKoshka [18]

Answer: Last Option is correct.

Step-by-step explanation:

Since we have given that

Total number of population = 25000

Percent of sample of Jason = 0.24%

Percent of sample of Yolanda's = 0.32%

So, Number of population according to Jason's sample is given by

$\frac{0.24}{100}\times 25000\\\\=0.0024\times 25000\\\\=60$

Number of population according to Yolanda's sample is given by

$\frac{0.32}{100}\times 25000\\\\=0.0032\times 25000\\\\=80$

Both the sample can be used to make inferences about the population

Hence, Last Option is correct.

3 0

3 years ago

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a blue arlin can swim at 50miles per hour. What is that speed in feet per second , to the nearest whole number ?

morpeh [17]

Step-by-step explanation:

Multiply the amount of feet in one mile by the amount of miles in the question(5,280 x 50 = 264,000)

Divide the amount of feet in 50 miles by the amount of minutes in 1 hour to get the amount of feet per mile (264,000 ÷ 60 = 4,400)

Divide the amount of feet per mile to get by the amount of seconds in a minute to get the amount of feet per second (4,400 ÷ 60 = 73.33)

Your answer rounded to the nearest whole number is 73

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3 years ago

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A certain triangle has two 45° angles. What type of triangle is it?

neonofarm [45]

Answer is a right triangle. The angles of a triangle must add to 180 degrees.
You have two 45 degree angles
45 + 45= 90
Now you need 1 more angle to equal 180
180- 90= 90
A right angle is 90 degrees. A right triangle has one right angle and two acute.

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3 years ago

Kaitlin runs 5 miles in 38 minutes. At the same rate, how many miles would she run in 57 minutes?

Goshia [24]

Answer:

7.5 miles

Step-by-step explanation:

Since she runs 5 miles in 38 minutes, she runs $\frac{5}{38}$ miles in one minute.

Hence, in 57 minutes she runs:

$ \frac{5}{38}\times 57$ miles = 7.5 miles

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3 years ago

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PLEASE HELP!!! I don't get this and I really need help on this​

PLEASE HELP!!! I don't get this and I really need help on this