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zhuklara [117]
3 years ago
8

Which expressions are equivalent?

Mathematics
1 answer:
LiRa [457]3 years ago
5 0
The first answer choice of 3x-7y and -7y+3x are equivalent because if you separate the expressions into two terms one will be negative 7y or minus 7y which are the same things and positive 3x or plus 3x which are the same things
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Use the digits 0 - 9 to write five decimal numbers that arranged in ascending order.use each digit once in each decimal number.​
Kryger [21]

Answer:

0.1, 2.3, 4.5, 6.7, 8.9

or

1.0, 3.2, 5.4, 7.6, 9.8

4 0
3 years ago
What is the perimeter of the square 3 by 3
Tema [17]

Answer:12cm

Step-by-step explanation:3+3+3+3 because its 3x3 so their is 3cm on each side

5 0
3 years ago
The cost of a company picnic varies directly as the number of employees attending the picnic. If a company picnic costs $487.50
Drupady [299]

The company picnic cost $ 1300 for 80 employees

<em><u>Solution:</u></em>

Given that cost of a company picnic varies directly as the number of employees attending the picnic

Let "c" be the company picnic cost

Let "n" be the number of employees attending the picnic

Therefore,

cost \propto \text{ number of employees attending picnic }

c \propto n\\\\c = kn

Where "k" is the constant of proportionality

c = kn ---------- eqn 1

<em><u>Given that company picnic costs $487.50 for 30 employees</u></em>

Therefore substitute c = 487.50 and n = 30

487.50 = k(30)\\\\k = \frac{487.50}{30} = 16.25

<em><u>How much does a company picnic cost for 80 employees?</u></em>

Substitute n = 80 and k = 16.25 in eqn 1

c = 16.25(80) = 1300

Thus $ 1300 is the cost for 80 employees

5 0
3 years ago
A pail hold 6 3/4 gallon of water. how much is this in cups
Ber [7]
There are 16 cups in 1 gallon so you would have to turn the denominator in the fraction into a 16 meaning you would multiply by 4 (because 4 goes into 16, 4 times). Your new fraction is 12/16. now you do 6 gallons*16 cups and you get 96 cups. Then you add the fraction onto 96 and you would be adding 12. Your final answer is 108 cups in 6 3/4 gallons
7 0
3 years ago
Read 2 more answers
Simplify<br> (x – 3) (232 – 4x – 7)
11111nata11111 [884]

Answer:

-4x^2 + 237x - 675

Step-by-step explanation:

(x - 3)*(232 - 4x -7)                            >> Distribute x and -3 to the trinomial

232x - 4x^2 - 7x - 696 + 12x + 21     >> Simplify

-4x^2 + 237x - 675

3 0
2 years ago
Read 2 more answers
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