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zhenek [66]
3 years ago
15

Predict the number of students out of 400 that would pick science as there favorite subject

Mathematics
1 answer:
S_A_V [24]3 years ago
4 0
I would have to say 30%
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How do i solve for b in this equation <br> -1=-1/2x4+b
Gnoma [55]

Answer:

-3

Step-by-step explanation:

-1= 1/2 * 4 + b

-1 = 2 + b

b = -1 - 2

b = -3

6 0
3 years ago
A popular magazine tests cars and trucks for mileage on the road and around the city. The magazine reports that the most common
Llana [10]

It shows that the values of the mileages are close to 24 mpg. Hence statistics refes 24 as the mean.

<h3>Mean of a data.</h3>

Mean is one of the measure of dispersion and is the avearage of a set of data.

According to the question, the magazine reports that the most common gas mileage was 24 mpg. This shows that reports have published several gas mileages for cars and truck and the average of this mileage is 24mpg

It shows that the values of the mileages are close to 24 mpg. Hence statistics refes 24 as the mean.

Learn more on mean here: brainly.com/question/14532771

#SPJ1

4 0
2 years ago
Choose the correct description of the graph of the compound inequality x − 2 &gt; −4 and 3x less than or equal to 15.
Evgesh-ka [11]

Answer:

A number line with an open circle on −2, a closed circle on 5, and shading in between

Step-by-step explanation:

solve it you get x>-2

and 3x <=15

x<=5

so its close on 5 and open on -2

7 0
3 years ago
Maria is buying new carpet. Her bedroom is in the shape of a square and the length id each side is 12 feet. Write and simplify a
satela [25.4K]

Answer: She needed 144 square feet of carpet.

Step-by-step explanation:

Given : Maria is buying new carpet. Her bedroom is in the shape of a square.

The length of each side is 12 feet.

We know that the area of square = (side)^2

So , the area of the bedroom = (12)^2  [which is an exponential expression]

Simplify it

The area of the bedroom = 12\times12=144\ \text{ft}^2

Also, the carpet she needed = Area of the bedroom.

Thus , She needed 144 square feet of carpet.

4 0
3 years ago
The estimated product of 20.7 and 9.18 after rounding both factors to the nearest whole number is
gogolik [260]
189 because 20.7 rounds to 21 and 9.18 rounds to 9
21 * 9 = 189

7 0
3 years ago
Read 2 more answers
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