3 years ago

Help quick with this question

Mathematics

2 answers:

Anit [1.1K]3 years ago

8 0

I’m pretty sure it’s 200 :)

Yuki888 [10]3 years ago

3 0

Answer:

I think the answer is 200

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Factor the following, I will give 5 stars and thanks.

tigry1 [53]

Answer:

13) $n=-3,-7$

14) $b=-4,-8$

15) $m=-7$

16) $a=-5,-7$

Step-by-step explanation:

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3 years ago

What are the x intercepts of the quadratic? (0,0) (0,-1) (-1,0) There are none.

Katen [24]

The answer is: there are none

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3 years ago

Each side of a square sandbox is 36 inches long. What is the area of the sandbox

yuradex [85]

Answer: 1296 inches

Explanation:

Given: Side of sandbox = 36 inches
To Find: Area of sandbox
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3 years ago

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3 years ago

L'età media di Aldo, Bruno, Carlo e Davide è 16 anni. Se non si tiene conto di Davide, l'età media dei tre rimanenti sale a 18.

photoshop1234 [79]

Answer:

Davide's age is 10.

L'età di Davide è 10.

Step-by-step explanation:

The average age of Aldo, Bruno, Carlo and Davide is 16 years.

I am going to say that:

x is Aldo's age.

y is Bruno's age.

z is Carlo's age.

w is Davide's age.

Average of the 4 is 16 years.

This means that:

$16 = \frac{x + y + z + w}{4}$

$x + y + z + w = 64$

If we do not consider Davide, the mean is 18. So

$18 = \frac{x + y + z}{3}$

$x + y + z = 54$

Replacing in the first equation:

$x + y + z + w = 64$

$54 + w = 64$

$w = 10$

Davide's age is 10.

L'età di Davide è 10.

4 0

3 years ago