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lubasha [3.4K]
3 years ago
13

Find the value of x. 4x+15=28

Mathematics
2 answers:
melomori [17]3 years ago
7 0

4x+15=28

4x+15-15=28-15

4x=13

\displaystyle \frac{4x}{4} =\frac{13}{4}

\displaystyle x=3.25

Dominik [7]3 years ago
5 0

Answer:

x = 3 1/4

Step-by-step explanation:

4x+15=28\\Collect-like-terms\\4x = 28-15\\4x = 13\\Divide -both-sides-of-the-equation-by:4\\\frac{4x}{4} =\frac{13}{4} \\x = 13/4\\x = 3\frac{1}{4}

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Ava has 34 candy bars. If
aliya0001 [1]

\bf Step-by-step~explanation:

If Ava has 34 candy bars, and each box can hold 5 bars, then we need to find out how many boxes that are filled up.

\bf Step~1:

Divide the number of candy bars (34), by the number each box can hold (5)

\bf\frac{34}{5}=6.8

Since we cannot have 6.8 boxes, we have to round down to 6.

\boxed{\bf Our~final~answer:~6~boxes}

\bf Check~our~answer:

To check our answer, we multiply the number of boxes (6), by the number of bars in each box (5), to get 30. We add Ava's extra bars (4), and we get the number we started off with: 34. This proves our answer is correct!

4 0
3 years ago
Dan has a favorite number. His number has the digit 8 in the ones place and 5 in tens place. What is Dan's favorite number.
tino4ka555 [31]
Wouldn't it be 58 or 8.5?
4 0
3 years ago
Read 2 more answers
Choose the table that represents g(x) = −2⋅f(x) when f(x) = x + 4
fomenos

Answer:

  x g(x)

  1 −10

  2 −12

  3 −14

Step-by-step explanation:

Substitute the values and do the arithmetic.

Table values for x are 1, 2, 3. We only need to find g(1) to determine which table is the correct choice.

  f(1) = 1 +4 = 5 . . . . . . . . . put 1 where x is and do the arithmetic

 g(1) = -2·f(1) = -2·5 = -10 . . . . . matches the 3rd choice

6 0
3 years ago
FedEx will ship the Olympic medals from the producer to Japan. Each medal weighs 0.5 kilograms. A box carries 6 medals. If FedEx
kherson [118]

Answer:

42

Step-by-step explanation:

weight of medals:

30 (0,5) = 15 kg

cost of 5 kg:

28/2 = 14

cost of shipping:

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6 0
3 years ago
I need help with this I got -10 is it right??
Dahasolnce [82]

Answer:

-14

Step-by-step explanation:

difference between -20 and -5 = 15

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7 0
3 years ago
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