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julsineya [31]
3 years ago
14

8. Multiply 7c? (a? + 5b + 7c). ? = To the second power

Mathematics
1 answer:
Travka [436]3 years ago
3 0
I’m not sure if this is correct but i got, 7c^2c^2 + 49c^4 + 35bc^2
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Find the value of x in this complementary angle.
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12

Step-by-step explanation:

5 0
3 years ago
Thirty more than one half of the students at at canyon middle school are in band.Five less than three fifths of the students are
Fed [463]

Answer:

Students at canyon middle school = 350

Step-by-step explanation:

Students at canyon middle school = x

Band = 1/2x + 30

Athletics = 3/5x - 5

athletics.If the number of students who are in band is equal to the number of students in athletics

1/2x + 30 = 3/5x - 5

1/2x - 3/5x = -5 - 30

5x-6x/10 = -35

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= -x(1/10)= -35

x = -35 ÷ -1/10

= -35 × -10/1

= 350

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Students at canyon middle school = 350

4 0
3 years ago
Write two expressions for this situation, one representing the cost per customer and the other representing the average number o
jenyasd209 [6]

Type the cost expression on the first line and the customer expression on the second line:

160 - 20·x + 16·x - 2·x² ≥ 130

160 - 4·x - 2·x² ≥ 130

<h3>What is  inequalities?</h3>

A relationship that compares two numbers or other mathematical expressions in an unequal way is known as an inequality. When comparing two numbers on a number line, it is most frequently used to compare their sizes.

<h3>According to the given information:</h3>

Each buffet costs $10.

Every hour, there are 16 clients that choose the buffet.

The number of patrons declines by two each hour for every $1 increase in the buffet price.

The hourly minimum wage necessary is $130.

The circumstance has two expressions: one for the price and one for the customers.

let:

x represents the number of $1 hikes in the buffet's price.

For an increase of x dollars, the buffet's price is;

Cost = 10 + x

Customers will hear the following term when costs rise by an amount x;

Customer = 16 - 2x.

we know,

Cost × Customers = Revenue

(10 + x) × (16 - 2·x) ≥ 130

Which gives;

160 - 20·x + 16·x - 2·x² ≥ 130

160 - 4·x - 2·x² ≥ 130

Type the cost expression on the first line and the customer expression on the second line:

160 - 20·x + 16·x - 2·x² ≥ 130

160 - 4·x - 2·x² ≥ 130

To know more about  inequalities visit:

brainly.com/question/20383699

#SPJ4

7 0
1 year ago
What is the sum of 7 x 10-8 and 2 x 10-8 ?​
Mademuasel [1]

Answer: 1. 70x-8 <----(answer for 7 x 10 - 8)

2. 20x-8 <---- (answer for 2 x 10-8)

Step-by-step explanation:

7x10

-8

2x

10-8

3 0
2 years ago
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