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Stels [109]
3 years ago
8

WILL GIVE BRANLIEST PLEASE HELP!

Mathematics
1 answer:
dimulka [17.4K]3 years ago
6 0

The equation x+3=9 is true if and only if x=6.

A bioconditional statement is always written in the “if and only if” form

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mash [69]

Answer:

<h2>64.26 cm².</h2>

Explanation is given in the above photo.

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Simplify answer as much as possible
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U= -1

-9u+6u=-36+39
-3u=3
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(6.15x+0.24y)÷1.5+5.9x−1.6y Help plz
nadya68 [22]

Answer:

10x − 1.44y

Step-by-step explanation:

(6.15x + 0.24y) ÷ 1.5 + 5.9x − 1.6y =

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3 years ago
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The drama club is having a car wash as a fundraiser. They wash x cars at $5 each
Galina-37 [17]

<u>Answer:</u>

x + y ≥ 26 + 15

5x + 8y ≥ 250 (see below)

Step-by-step explanation:

First, write an equation to represent the total cost to wash cars:

$5x = cost for cars

Then, write another for trucks:

$8y = cost for trucks

If the question is saying that they will wash at least 26 cars and 15 trucks, that means they could wash more. This means that we'll need an inequality:

This inequality represents that the total number of cars and trucks they wash will be at least—which means that it is equal to or greater than—than the amount given:

x + y ≥ 26 + 15

Any equation or inequality with two unknowns is not solvable, meaning we need a system of equations:

If they make at least $250, that means that we need to combine the costs of the cars and trucks to make an inequality:

5x + 8y ≥ 250

Now you have your system of equations:

x + y ≥ 26 + 15

5x + 8y ≥ 250

8 0
3 years ago
there is a group of 4 people ordering pizza. each person gets 6 slices and there are 8 slices in each. how many pizzas should th
labwork [276]
They should get 3 pizzas.

4*6=24

24/8=3
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3 years ago
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