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Semenov [28]
2 years ago
11

Solve 7x - 8 = 3x + 40

Mathematics
2 answers:
AfilCa [17]2 years ago
8 0

Answer:

Step-by-step explanation:

7x-8=3x+40

7x-3x=40+8

4x=48

x=48/4

x=12

Contact [7]2 years ago
4 0

Answer:

7x-8=3x+40\\7x-3x=40+8\\4x=48\\x=12

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Write 27 + 21 as a product using the GCF as one of the factors.
levacccp [35]
The greatest common factor is 48
8 0
2 years ago
47.2 is what percent of 118​
earnstyle [38]

Answer:

you  multiply both sides of the equation by x

you divide both sides of the equation by (2.5) to get x

47.2 is 40% of 118

Step-by-step explanation:

5 0
2 years ago
The place value of 4 in 149 is???​
Burka [1]

Answer:

Ten

Step-by-step explanation:

The 4 is the tens place value in the number

3 0
2 years ago
Read 2 more answers
The ratio of money in Terry's bank account to Faye's bank account was 3:5.
inn [45]

Answer:

<em>Terry had £780 initially and Faye had £1300</em>

Step-by-step explanation:

<u>System of Equations</u>

We'll call the following variables:

x = Terry's balance in his bank account

y = Faye's balance in her bank account

The initial relation between them is:

\frac{x}{y}=\frac{3}{5}

Cross-multiplying:

5x = 3y        [1]

If Terry put £220 in his account he had x+220 and if Faye withdrew £300 from her account, she had y-300. Both quantities are equal, thus

x + 220 = y - 300

Subtracting 220:

x = y - 520         [2]

Substituting in [1]

5(y - 520) = 3y

Multiplying:

5y - 2600 = 3y

Adding 2600 and subtracting 3y:

2y = 2600

Dividing by 2:

y = 1300

From [2]:

x = 1300 - 520

x = 780

Terry had £780 initially and Faye had £1300

7 0
2 years ago
7. The startup cost for a boutique is $15,000, and each floral arrangement costs $17 for the boutique to make. If each arrangeme
Snowcat [4.5K]

Answer:

1875 arrangements

Step-by-step explanation:

Break-Even is the point when costs are equal to profit.

The cost is 15,000

We need to cover this up with the profit we get from sales.

Each arrangement is 17 (cost) and is sold for 25, so the profit from each arrangement is:

25 - 17 = 8

So, with each arrangement sale, we make profit of $8. How many of these we need to sell in order to break even (in order to make 15,000)??

We simply divide this amount (15,000) by the profit we make from each arrangement ($8), so that would be:

Number of Arrangements Needed to Break-Even = 15,000/8 = 1875

After 1875 arrangements, the boutique breaks even.

5 0
3 years ago
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