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BartSMP [9]
3 years ago
11

For which equation would x = 5 be a solution?

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
6 0
3x+6=21
3x=21-6
3x=15
x=5
Archy [21]3 years ago
3 0

Answer:

B. 3x + 6 = 21

Step-by-step explanation:

4x-7=27, x=8.5

3x+6=21, x=5

12-2x=13, x=-0.5

7+6x=27, x=3.33

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3 years ago
A 16 ounce box of cereal is priced at $3.68. Find the cost per ounce *
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Answer:

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Step-by-step explanation:

16 ounce box of cereal is priced at =3.68$

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Jose graphed the amount of money paid in relation to the Number of avocados bought. Which statement best describes the unit rate
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Answer:

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Step-by-step explanation:

5 0
3 years ago
The librarian noticed that 60% of seventh graders checked out fantacy books. About how many of 240 seventh graders would check o
ehidna [41]

Answer:

The correct answer is 144.

Step-by-step explanation:

The librarian noticed that 60% of total seventh graders checked out fantasy books from the library.

Total number of seventh graders is given to be 240.

Number of seventh grade students who checked out fantasy books = 60% of 240 = 0.6 × 240 = 144.

Thus out of 240 seventh graders 144 of them would check out  a fantasy book from the library.

4 0
3 years ago
An airplane is flying from knoxville to new york. The distance it travels in miles, d, is related to the time in seconds, t, by
Zigmanuir [339]

Answer:

0.12 miles is it flying per second.

Step-by-step explanation:

The distance d is related to time t in seconds is given by the equation as follows :

d =0.12 t

We need to find how many miles is it flying per second.

\dfrac{d}{t}=0.12\\\\\dfrac{\text{miles}}{\text{second}}=0.12

So, the speed of the airplane is 0.12 miles per second, Hence, 0.12 miles is it flying per second.

5 0
3 years ago
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