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Elina [12.6K]
3 years ago
15

PLEASE HELP WHAT IS THE ANSWER AND WHY

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0
It's b, the formula of a cone is the area of the circle time a third of the height so it would be pie times7^2 times 6
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I need help on these pls , i have alot more :(
djyliett [7]
I could be wrong here but I’m pretty sure the answer is
P(0.15) because 0.75 x 0.2 is 0.15
3 0
3 years ago
PLEASE ASAP we need to turn in in 20 mins
satela [25.4K]

Answer:

14 units^2

Step-by-step explanation:

Hey there!

In order to find the area of this triangle, we need to find the base and height of the triangle

the base of the triangle is 7 units long and the height of the triangle is 4 units high

Formula for area of triangle: Base x Height x 1/2

7 x 4 x 1/2 --> 28 x 1/2 --> 14

So, the area of this triangle is 14

Now the question is asking to find the area by forming a parallelogram

All you have to do for this is duplicate that same triangle, and mirror it upside down

Then all you would have to do is find the Base and the Height and multiply them together

4 0
2 years ago
5. If the dimensions of a rectangle are doubled, which of the following best describes an effect on the rectangle?​
Bond [772]

Answer:

Since length and width are perpendicular, Doubling either one will double the area. So Doubling both will quadruple the area. 2x2 = 4.

This idea works if the dimensions doubled are those that are used to compute area. Like the base and height of a triangle.

More generally, in a polygon, if all the sides are doubled, the area is multiplied by 4. In a circle, Doubling the radius will quadruple the area.

In 3 dimensions, Doubling one dimension will double the VOLUME. Doubling two perpendicular dimensions will quadruple the volume and Doubling 3 perpendicular dimensions will multiply the volume by 2x2x2 or 8.

Step-by-step explanation:

plz make me brainy least

7 0
3 years ago
Oscar, max, norma, pasha, and hank want to ride horses. there are 4 horses- spanky, rita, buttercup, and ebony. in how many diff
Afina-wow [57]
In 9 different ways.
There will be 3 people left and 3 horses, and just multiply 3•3.
6 0
3 years ago
during a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At
BaLLatris [955]

Answer:

10,600

Step-by-step explanation:

The bacteria grew in 2 hours by 800. Divide that and that it by 400 per hour.

Since it is a proportional rate, we can assume that the rate continue through till midnight.

Since midnight is 12 hours after noon then the bacteria grow 400 (12)=4800.

We add this to the population at noon 5800+4800=10,600.

5 0
3 years ago
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