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3 years ago

Can someone help me with this I keep getting an answer that it doesn’t give me! And explain it!!!

Mathematics

2 answers:

Ira Lisetskai [31]3 years ago

6 0

$(100\%-15\%-25\%)\cdot240=60\%\cdot240=144$

maw [93]3 years ago

4 0

Answer:

C) 144

Step-by-step explanation:

Somewhat Dissatisfied is 15%, and Completely Dissatisfied is 25%. The two dissatisfied parts add to 40%.

That means the two satisfied parts add to 60%.

60% were either Somewhat Satisfied or Completely Satisfied.

240 customers responded to the survey.

60% of 240 = 0.6 * 240 = 144

Answer: C) 144

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peter buys 8.5 square feet of carpet. the carpet cost $10.20 cents per square foot. how much does peter pay for the carpet?

Fiesta28 [93]

10.20*8= 81.60
10.20*.5= 5.10
add
81.60+5.10= 86.70
ANSWER: Peter pays $86.70 for the carpet

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3 years ago

I really need help asap show all work

Triss [41]

Note: Consider we need to find the factor form of the given expression by taking out the GCF.

Given:

The expression is:

$-42k^3+24k^4+12k^5$

To find:

The factor form of the given expression.

Solution:

We have,

$-42k^3+24k^4+12k^5$

It can be written as:

$=6k^3(-7)+6k^3(4k)+6k^3(2k^2)$

Taking out the greatest common factor (GCF), we get

$=6k^3(-7+4k+2k^2)$

Therefore, the factor form of the given expression is $6k^3(-7+4k+2k^2)$ .

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3 years ago

Convert 3/11 to a decimal using long division

stepladder [879]

3/11 as a decimal is .27 repeating that means it has a line over the two and the seven but if you want to round it would be .3

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3 years ago

If x² equals 1/100 what does x equal

KIM [24]

Hello!

If x² equals 1/100, then x equals 1/10 or -1/10.

I hope it helps!

6 0

2 years ago

Read 2 more answers

The base of a solid right pyramid is a regular hexagon with a radius of 2x units and an apothem of units. A solid right pyramid

Xelga [282]

Answer:

$6 x^2*\sqrt{3}$

Step-by-step explanation:

The base of the pyramid we need to study is a hexagon.

Let's look at the attached image of an hexagon to understand how we are going to find the area of this figure.

Notice that an hexagon is the combination of 6 exactly equal equilateral triangles in our case of size "2x" (notice that the "radius" of the hexagon is given as "2x")

Therefore the area of the hexagon is going to be 6 times the area of one of those equilateral triangles.

We know the area of a triangle is the product of its base times its height, divided by 2: $\frac{base*height}{2} = \frac{2x*height}{2}$

We notice that the triangle's height is exactly what is called the "apothem" of the hexagon (depicted in green in our figure) which measures $x\sqrt{3}$ , so replacing this value in the formula above for the area of one of the triangles:

$\frac{2x*height}{2}= \frac{2x*x\sqrt{3} }{2}=x^2\sqrt{3}$

Then we multiply this area times 6 to get the total area of the hexagon (6 of these triangles):

Area of hexagon = $6x^2\sqrt{3}$

which is the last option given in the list.

5 0

3 years ago

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