3 years ago

NEED HELP 20 POINTS !!

Mathematics

1 answer:

goldenfox [79]3 years ago

7 0

Answer:

A. Frame

Step-by-step explanation:

This is because it does not contain the who population and it is the place where the participants of the experiment are selected. It is not the control group because this includes people who were not even in the experiment.

You might be interested in

A bucket of golf balls contains yellow golf balls and white golf balls. You collect the representative sample shown. If the buck

sdas [7]

It should be 30 I think

7 0

3 years ago

Is this true or false?

Degger [83]

Step-by-step explanation:

false

........... ..

.....

3 0

3 years ago

Solve the following inequality algebraically.<br> x + 2 < 11

Pachacha [2.7K]

Answer:

x < 9

Step-by-step explanation:

Subtract 2 from both sides so you can isolate the variable on the left.

7 0

3 years ago

In the surface area formula shown, B represents the area of the square base, P represents the perimeter of the square base and h

lina2011 [118]

Answer:

$C=250in^2$

Step-by-step explanation:

The total surface area can be calculated using the formula

$S.A=2(lw+lh+wh)$

From the diagram

$l=5in,w=5in,h=10in$

We plug in these values to get;

$S.A=2[5(5)+5(10)+5(10)]$

$S.A=2[25+50+50]$

$S.A=2(125)$

$S.A=250in^2$

4 0

3 years ago

Read 2 more answers

Nicholas is adding by place value from right to left. When he adds the hundredths, he gets 0.46. Describe what his next step sho

zzz [600]

9514 1404 393

Answer:

record 6 hundredths; add 4 to the numbers of tenths

Step-by-step explanation:

Nicholas needs to write down the 6 and "carry" the 4, adding it to the numbers of tenths.

Depending on the method you've been taught, the 4 may be written above the column with place value of tenths, or it may be written on a separate sum line.

6 0

3 years ago