MATHEMATICS MIDDLE SCHOOL

A surveyor wants to know how many shoppers at a mall like to read books. He surveys 100 people coming out of a bookstore at the mall. Why is the sample biased?A.
There are not enough people in the sample.

B.
People who shop in bookstores are likely to read more books than those who do not.

C.
It is unlikely that people who shop in bookstores are interested in surveys.

D.
The surveyor did not sample the entire population at the mall.

Answers

Answer 1
Answer: Its B. People who shop in bookstores are likely to read more books than those who do not.
Answer 2
Answer:

Answer:

People who shop in bookstores are likely to read more books than those who do not.

Step-by-step explanation: I took the quiz

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What is bigger 4-
6
or 4
-
3

Answers

4-3. hope that helps.
Simple...

you have

4-6=?
and
4-3=?

Well, if you know anything about negatives...you know that 6 is a bigger number than 4; and that if you subtract it, it becomes a negative...

4-6= -2
and
4-3=1

Now, which one is bigger?

Fairly easy...when a number is negative..that means it less than 1. Even smaller than 1. 

So, that being said 4-3 is obviously bigger.

Thus, your answer.

Where do animals live

Answers

✡ Animal can live anywhere in the world
- From rain forest
-To deserts
- To undergrounds
- Homes
- And up in the skys.

✡Hope this helps✡
Animals live everywhere on Earth: icy and cold environment (polar bears), land and jungles (giraffes, bears), and water (fish).
Hope this helps~

What are the solutions of 3(x – 4)(2x - 3) = 0? Check all that apply.

Answers

Answer:

x=4     x = 3/2

Step-by-step explanation:

3(x – 4)(2x - 3) = 0

We can use the zero product property

x-4 =0   2x-3=0

Solve each equation

x-4 =0     2x-3=0

x=4         2x=3

              x =3/2

Solve x: 3x-7 = 5x+13
Solve x: 7-3x = 5x+13

Answers

first you need to combine like terms
7-3x= 5x+13
step 1 add 3x
7=8x+13
step 2 subteact 13
-6=8x
step 3 divide both sides by two
x=-3/4
1.
Since 5x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 5x from both sides.
3x−7−5x=13

Add 3x and −5x to get −2x.
−2x−7=13

Move -7 to the right hand side of the equation.
−2x=7+13

Add 7 and 13 to get 20.
−2x=20

Divide each term in the equation by −2.

x=−10

2.
Since 5x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 5x from both sides.
7−3x−5x=13

Add −3x and −5x to get −8x.
7−8x=13

Move 7 to the right hand side of the equation.
−8x=−7+13

Add −7 and 13 to get 6.
−8x=6

Divide each term in the equation by −8.

x=−3/4

a machine uses 2.5 liters of fuel each hour it runs,its fuel tank was filled with 10 L  but 1.5 L have already been used how

 many more hours will the machine run

Answers

The number of hours machine runs with 8.5 L fuel is 3.4 hours.

Given that, a machine uses 2.5 liters of fuel each hour it runs, its fuel tank was filled with 10 L but 1.5 L have already been used.

What is the unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Now, 10 - 1.5 = 8.5 L

So, the number of hours = 8.5/2.5

= 3.4 hours

Therefore, the number of hours machine runs with 8.5 L fuel is 3.4 hours.

To learn more about the unitary method visit:

brainly.com/question/22056199.

#SPJ2
10-1.5=8.5
8.5/2.5= 3.4 hours

Find the surface area of a rectangle prism

Answers

surface area
it is 6 rectangles
rectangle area=legnth times width

but yo have legnth width and height
how does we do this?
answer
recognize that the rectanles come in pairs
rectanels that are oposite each other have equal areas
so we have
top=bottom=legnth times width
front face=back face=legnth times height
R side face and L side face=width times height

since there are 2 of each
SA=2(LW)+2(LH)+2(WH)
undistribute 2
SA=2(LW+LH+WH)

tada
(note: L=legnth, W=width, H=height)


and give your answer in square units
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