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zhuklara [117]
3 years ago
13

Questions in the image.

Mathematics
1 answer:
Vaselesa [24]3 years ago
4 0

Answer:

Step-by-step explanation:

1). 3x + 10

3(2) + 10

= 16

2). 14 - 2y

14 - 2(-3)

= 20

3). 7x - 5y

7(2) - 5(-3)

= 29

4). 5x + 7

5(2) + 7

= 17

5). 2x + 3y

2(2) + 3(-3)

= -5

6). 6y - 5x

6(-3) - 5(2)

= -28

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Simplify the expression using the order of operations.
Ne4ueva [31]

Answer: uhhh 54

Step-by-step explanation:

3 0
3 years ago
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Simplify completely the quantity 14 times x to the 5th power times y to the 4th power plus 21 times x to the third power times y
timofeeve [1]

We have to simplify the given expression:

\frac{14x^5y^4+21x^3y^2}{7x^3y}

Dividing the terms of the numerator by the given term of denominator individually, we get

= \frac{14x^5y^4}{7x^3y}+\frac{21x^3y^2}{7x^3y}

By using the laws of exponent, a^m \div a^n = a^{m-n}, we get

= \frac{7 \times 2 x^5y^4} {7x^3y} + \frac{7 \times 3 x^3y^2}{7x^3y}

= \frac{2 x^5y^4} {x^3y} + \frac{3 x^3y^2}{x^3y}

= {2 x^{5-3}y^{4-1}} + 3 y^{2-1}

= {2 x^{2}y^{3}} + 3 y

Therefore, the simplification of the given expression is  {2 x^{2}y^{3}} + 3 y.

So, Option 3 is the correct answer.

6 0
3 years ago
Read 2 more answers
Which of the following is greatest? 0.3, .033, .0033, .03
Vinil7 [7]

Answer:

0.3

Step-by-step explanation:

because there are only one decimal place

6 0
3 years ago
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A cheetah can run 70 miles per hour.What is this speed un feet per hour
Debora [2.8K]
The correct answer to this question is that the cheetah can run 369,000 feet per hour. We can work this out in the following way:
One mile equals 1760 yards
In feet that is 3 x 1760 or 5,280
So Feet per hour will be 5280 x 70 or
369,600 feet per hour.
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4 years ago
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There are 5 girls and 1 boy taking swimming lessons. The ratio that compares the number of girls taking
Sergio [31]

Answer:

5:6

five of the 6 students are girls

5/6

Step-by-step explanation:

Not sure if these are the three different ways you wanted, but all of these represent the number of girls compared to the total number of students.

5 0
3 years ago
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