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ddd [48]
3 years ago
10

1. Giles thinks that -5x²(3x - 4) simplifies to 15x² + 20x². Explain what mistakes he made. What is the

Mathematics
1 answer:
jeka57 [31]3 years ago
6 0

Answer:

The mistake was minus sign before the 15 and putting 15x² instead of 15x³.

The correct answer is:

-5x^{2} (3x-4)\\ = -15x^{3} + 20x^{2}

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Tim used the expression below, where n represents side length, to determine the volume of a cube. Using this
I am Lyosha [343]

Complete question :

Tim used the expression below, n³ where n represents side length, to determine the volume of a cube. Using this

expression, what is the volume of a cube with side length 3.5 inches? Show your work.

n?

Answer:

42.875 cubic inches

Step-by-step explanation:

Given that :

The formula to obtain the volume of a cube is n³ ; where n = side length of the cube.

The side length of a certain cube is given as = 3.5 inches.

The volume of the cube is calculated thus :

Volume = n³ = 3.5³

Volume = (3.5 * 3.5 * 3.5) inch³

Volume = 42.875 in³

4 0
3 years ago
How do you calculate a nation's per capita income? A. Divide the total income by the size of the population. B. Divide the size
lara [203]

Answer:

A

Step-by-step explanation:

The per capita income is the income of a person in a nation. The per capita is calculated by dividing the gross income of the nation by total population.

Let

Pci = Per Capita Income

I = Total income

and

P = Total population

Then,

Pci = I/P

3 0
3 years ago
Read 2 more answers
Evaluate the expression below for x = 1, y = –2, and z = 3.
galben [10]
(3x - 2y) / (z + 4)........x = 1, y = -2, z = 3
now we start subbing

((3(1) - 2(-2)) / (3 + 4).....simplify
(3 + 4) / (3 + 4) =
7/7 =
1 <== ur answer
3 0
4 years ago
Read 2 more answers
The function f(x) = (x – 3)^3 is transformed to
Viktor [21]

Answer:

I DO NOT KNOW BECAUSE I JUST NEED POINTS SORRY

Step-by-step explanation:

SORRY

4 0
3 years ago
HELP I NEED HELP ASAP ILL GIVE U BRAINILEST!
elixir [45]

(a).

36 players = 100%

? = 10%

(36×10) / 100%

= 3.6 gloves for left hand players.

Explanation :- Object needs to be in full form whereas 3.6 would be written as only 3 gloves in full.

Ans: Yes. Total gloves were enough.

(b).

36player gloves = 100%

7 lefties = ?

=700/36 = 19.4%

=19.4444444 as recurring would be,

19 % (nearest to whole percent) DONE ✅.

8 0
3 years ago
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