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VladimirAG [237]

2 years ago

12

I WILL GIVE YOU 100 POINTS IF YOU ANSWER THE QUESTIONS CORRECTLY IN MY PROFILE PLEASE!! IT'S DUE TODAY!! ↓↓↓↓ (answer both parts

if you want 200!!)
- click on my profile
-go to questions
- answer both parts, with shown work.

1 answer:

Finger [1]2 years ago

5 0

Answer:

hight mmm or it's depents on the speed of roller coaster

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Why is graphing not always the best option for solving systems?

RideAnS [48]

1, Might not be precise
2, Can be hard to plot the graphs
3, If there are many solutions that will be really hard to plot sometimes.

This is just from the top of my head.

3 0

3 years ago

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A square pyramid has a base length of 6 inches. The height of each triangular face is 11 inches. Which expressions correctly cal

VMariaS [17]

Answer:

168 in²

Step-by-step explanation:

The square would be 36 in²

Area of a triangle is A= 1/2 bh

A = 1/2 (11 x 6), A= 1/2 (66)

1/2 (66) = 33 in², which is the area of a triangle.

Then you multiply 33 x 4 to get the area of all the triangles, which is 132 in²

You add the area of the square to the area of the triangles, which is 168 in².

7 0

3 years ago

Four brothers and their sister have the average age 7. Four brothers have the average age 6. How old is the sister?

AnnyKZ [126]

Answer:

11 years old

Step-by-step explanation:

If four brothers have the average age 6, then the sum of their ages is

$4\cdot 6=24$

years.

Let x years be the age of sister. If four brothers and their sister have the average age 7, then

$\dfrac{24+x}{5}=7.$

Multiply this equation by 5:

$24+x=35\Rightarrow x=35-24=11.$

The sister is 11 years old.

4 0

3 years ago

A student had test score of 85, 72, 63, 91, and 94. Find the average of the test scores .

elena-s [515]

So just add all of them together and you get 405. Then divide by the amount of numbers there is which is 5. So 405 divided by 5. The answer is 81.

6 0

2 years ago

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Nikolay [14]

Answer: 6 x 6 is 6 squared (6^2)

Explanation:
Any number multiplied by itself is squared. (ie. 36 x 36 is 36 ^ 2, 2 x 2 is 2^2 etc)

Hope this helps!! :)

3 0

2 years ago