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3 years ago

10

suzanne bought a sweater at the sale price of $25. The original cost of the sweater was $40. What percent represent the discount

that suzanne received when buying the sweater?

1 answer:

andrezito [222]3 years ago

6 0

The percent discount was 37.5%

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Find the Total Surface area of a Pyramid. Its base is a regular hexagon 4cm on a side. its height is 8 cm. Round off to nearest

oksano4ka [1.4K]

Answer:

The total surface area of a regular hexagonal pyramid is 146.2 cm².

Step-by-step explanation:

The base is a regular hexagon 4cm on a side. its height is 8 cm.

The total surface area of a pyramid with regular hexagon base

$A=\frac{3\sqrt{3}}{2}a^2+3a\sqrt{h^2+\frac{3a^2}{4}$

Where, a represents the base edge and h represents the height of the pyramid.

The area of given regular hexagonal pyramid is

$A=\frac{3\sqrt{3}}{2}(4)^2+3(4)\sqrt{(8)^2+\frac{3(4)^2}{4}$

$A=\frac{3\sqrt{3}}{2}(16)+12\sqrt{64+12}$

$A=24\sqrt{3}+12\sqrt{76}$

$A=146.182794027$

$A=146.2$

The total surface area of a regular hexagonal pyramid is 146.2 cm².

8 0

3 years ago

What figure models 6 divided by 3/2?

3241004551 [841]

The second one

Pls mark brainliest

8 0

2 years ago

PLEASE PLEASE PLEASE<br> HELP ME!!!!!

Bond [772]

Answer:

3 adjacent

4. complementary

4 0

2 years ago

Suppose a city with population 800,000 has been growing at a rate of 5% per year. If this rate continues, find the population of

AleksandrR [38]

Answer:

2,340,208.5 or 2,340,209

Step-by-step explanation:

You could answer this by multiplying the current population of 800,000 by 1.05 (1.05 represents the annual growth rate of population) and do that 22 times. But that would take a while.

we got 1.05 because the formula says that y = a( 1 + r ) power t

for a we will give it 1

so y = 1 ( 1 + 0.05) power t

it will give us 1.05

to do this faster, you would first calculate (1.05)22and then multiply this by 800,000.

So, 800,000 x (1.05)22 = 2,340,208.5 or 2,340,209

5 0

1 year ago

Part C Now try this one. Write a description of the partitioned function using known function types, including transformations.

Sever21 [200]

Answer:

Following are the function description to the given question:

Step-by-step explanation:

In the given-question, three functions are used, that can be defined as follows:

In function 1:

This function is also known as the modulus on the absolute value function, for example:

$f(x)=| x| \left \{ {{x , \ \ \ x>0} \atop {-x, \ \ \ \x$

In the given in the above graph, that is $f(x) = -x , \ \ x$

In function 2:

In this function, It is an algebraic function that is $y=x^2$

It is also a part of the quadratic polynomial function, and its value is $y=x^2 , \ \ \ x> 0$

In function 3:

In this function, it is the cubic polynomial equation that's value is $y=x^3$

In the graph its value is:

$y=-x^3\\\\and \\ \\\to y= f(x) \\\\ \to y=-f(x)\\$

6 0

2 years ago