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Strike441 [17]
3 years ago
13

Two times the difference of a number and 8 is equal to 7

Mathematics
1 answer:
maks197457 [2]3 years ago
5 0
2(x-8)=7

Distribute on the left side
2x-16=7

Add 16 to both sides
2x=23

Divide both sides by 2
x=11.5

Final answer: The number is 11.5
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Last month, a dwarf lemon tree grew half as much as a semi-dwarf lemon tree. A full-size lemon tree grew three times as much as
dimulka [17.4K]

Answer: the dwarf tree grew by 3 inches.

the semi dwarf tree grew by 6 inches.

the full size tree grew by 18 inches.

Step-by-step explanation:

Let x represent how much the semi-dwarf lemon tree grew.

Last month, a dwarf lemon tree grew half as much as a semi-dwarf lemon tree. This means that the amount by which the dwarf lemon tree grew is expressed as x/2

A full-size lemon tree grew three times as much as the semi-dwarf lemon. This means that the amount by which the full-size lemon tree grew is expressed as 3x

Together, the three trees grew 27 inches. This means that

x/2 + x + 3x = 27

Cross multiplying by 2, it becomes

x + 2x + 6x = 54

9x = 54

x = 54/9

x = 6 inches

The dwarf tree grew by 6/2 = 3 inches.

The full-size lemon tree grew by 3 × 6 = 18 inches

7 0
3 years ago
Jennifer needs to make an average of at least $350 per week. If she makes $385, $326, and $298 for the first 3 weeks of the mont
ella [17]
385 + 326 + 298 = 1,009 / 3 = 336.33

385 + 326 + 298 + x = 350

350 x 4 = 1,400
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The answer is $391
8 0
3 years ago
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Refer to the pic ...(◕ᴗ◕✿)✌️✌️

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6 0
3 years ago
Solve 1/4 divided by 3
zysi [14]

The anwser is 0.083 a bunch of threes follow but the aren't important all you need to do is round which that should be rounded enough.

6 0
3 years ago
Read 2 more answers
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