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Natalija [7]
3 years ago
14

Simplify 5(x - 2) + 3x A.8x - 2 B.8x - 10 C.-7x

Mathematics
2 answers:
timofeeve [1]3 years ago
7 0
The answer should be B. 8x-10
Novosadov [1.4K]3 years ago
5 0

The answer is B because u multiply each number in parenthesis by 5

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Amanda plans to have 20 friends over to Watch NCAA Basketball on Saturday. She plans to serve pizza, wings, soda, and brownies.
poizon [28]
<h2><u>In total, she will need $98.34 to pay all of the foods she plans to serve at the party.</u></h2>

All of the work:

<em>How to solve the amount of pizza she needs:</em>

20 x 3 = 60

60 divided by 10 = 6

<em>How to solve the amount of soda bottled needed:</em>

20 x 16 = 320

320 divided by 64 = 5

<em>How to solve the number of pans she needs:</em>

20(2 x 3) = 40 x 60

40 x 60 divided by 8 x 12 = 5

<h2>THE COST CAN BE FOUND BY MULTIPLYING THE NUMBER OF THE ITEM NEEDED AND THE PRICE FOR EACH OF THE ITEM.</h2>

<em>Number of pizza she needs:6 pizza, costs $77.94</em>

<em>Number of soda bottles she needs:5 bottles, costs $8.45</em>

<em>Number of pans she needs:5 pans, costs $11.95</em>

<em>Add 77.94, 8.45, and 11.95 and get 98.34</em>

7 0
3 years ago
Can sb explain why there's letters in math...????
andriy [413]
They're called variables (this sounds like vary because the number that a letter could represent varies) so when i say 1 + x = 3 it is saying that they don't know the value of x yet but of course you can solve that by subtracting 1 from 3 which is 2
5 0
2 years ago
Rewrite 8 1\2 as an improper fraction.
lakkis [162]

Answer:

17/2

Step-by-step explanation:

multiply 8x2 then add 1

6 0
3 years ago
Read 2 more answers
F(x)=x+3 and g(x)=x^2-2
bekas [8.4K]
Interval Notation:
(−∞,∞)
Set-Builder Notation:
{x|x∈R}
6 0
3 years ago
The measure of C if a=6 and b=9.
kirill115 [55]

Answer:

c=3\sqrt{13}

Step-by-step explanation:

Pythagorean Theorem: In the right triangle the square of longer side is equal to the sum of the squares of other sides.

c^2=a^2+b^2\\\\c^2=6^2+9^2\\\\c^2=36+81\\\\c^2=117\\\\c^2=3\times 3\times 13\\\\c=\sqrt{3\times 3\times 13}\\\\c=3\sqrt{13}

3 0
3 years ago
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