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solong [7]
2 years ago
7

The sum of two expressions

Mathematics
1 answer:
vagabundo [1.1K]2 years ago
7 0

Answer:

4x + 2y

Step-by-step explanation:

If you subtract 5x + 3y from 9x + 5y, you get:

  9x + 5y

<u> - 5x + 3y</u>

  4x + 2y

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There are 120 men and 380 women in the disco live show. What is the ratio of women to men in the show?
Paladinen [302]

Answer:

6:19

Step-by-step explanation:

There are 120 men and 380 women.

The ratio of women to men in the show is 120:380.

Simplify 120:380.

⇒ 6:19

6 0
3 years ago
Read 2 more answers
Bridget purchased 3 pairs of shoes online. The total bill of $126.81 included a $7.50 shipping charge and 6% tax on the total pu
Alika [10]

Answer:

$37.

Step-by-step explanation:

Firstly, let's set the price of each pair of shoe to be x.

Since each pair of shoes costs the same, and there are three pairs, we can set the original price to be 3x.

Now, to apply the shipping charge, all we have to do is add 7.50 to 3x, getting 3x + 7.5.

Next, to apply a 6% tax, we can multiple the whole expression by (100% + 6%), getting (3x + 7.5) \cdot 106%.

Since the whole bill foots to a total of $126.81, we can set the final equation to be:

(3x + 7.5) \cdot 106\% = $126.81

(3x + 7.5) \cdot \frac{106}{100} = $126.81

3x + 7.5 = $126.81 \cdot \frac {50}{53}

3x = $119.6 - 7.5

3x = 112.1

x \approx \$37

Hope this helped!

6 0
2 years ago
URGENT HELP (picture says everything you need to know)
seropon [69]

Answer:

I believe the quiz had 18 questions, with a 14:4 ratio

8 0
2 years ago
Which of the following is equivalent to
Firlakuza [10]

Answer: it will be D

Step-by-step explanation: if You graph them you will get the same coordinate plates

7 0
2 years ago
Item 18 You and your friend are selling tickets to a charity event. You sell 7 adult tickets and 16 student tickets for $120. Yo
Jobisdone [24]
$4

You can get this by setting up 2 equations. One for you and one for your friend. Each should have a cost equation. Let x = adult and y = student.

You: 7x + 16y = 120
Friend: 13x + 9 = 140

Solve using any method. 
6 0
3 years ago
Read 2 more answers
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