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makkiz [27]
2 years ago
5

Find each product. 15. (x + 4)(x-4) 16. (a + 8)(a - 8) 17. (d+ 7)(d - 7)

Mathematics
1 answer:
Andrej [43]2 years ago
6 0
Number 15: x2 - 16

Number 16: a2 - 64

Number 17: d2 - 49
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PLEASE HELP HURRY WITH THE QUESTIONS BELOW!!!!!
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From left to right, the answers are:  152, D(line e), C(obtuse), 44 degrees.

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8 0
4 years ago
If x = 2, then x second power - 3x -+5
ICE Princess25 [194]
X^2 - 3x + 5
2^2 - 3(2) + 5
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3 0
4 years ago
Expand and Simplify 3(4x + 1 ) -2(3x-4)
pychu [463]

Answer:

<h3>\boxed{ \bold{ 6x + 11}}</h3>

Step-by-step explanation:

\mathsf{3(4x + 1) - 2(3x - 4)}

Distribute 3 through the parentheses

\mathsf{12x + 3 -2(3x - 4)}

Distribute 2 through the parentheses

⇒\mathsf{12x + 3 - 6x + 8}

Collect like terms

⇒\mathsf{6x + 11}

Hope I helped!

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6 0
4 years ago
Read 2 more answers
Name the pairs of equivalent ratios: 2:3, 9:12, 8:5, 1:2, 2:1, 16:10, 3:6, 6:9, 5:8, 3:4 Tell how you know they are equivalent.
Svetach [21]

Answer:

Step-by-step explanation:

2:3  And.  6:9

3:4  And 9:12

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4 0
3 years ago
If everything in a store is 20% off, and the discounted price of an item is $18.00, what is
jasenka [17]

The regular price is $22.5 if everything in a store is 20% off, and the discounted price of an item is $18.00

<h3>What is the percentage?</h3>

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

We have:

If everything in a store is 20% off, and the discounted price of an item is $18.00

Let's suppose the regular price is x

(100-20)% of x = 18

80x/100 = 18

x = $22.5

Thus, the regular price is $22.5 if everything in a store is 20% off, and the discounted price of an item is $18.00

Learn more about the percentage here:

brainly.com/question/8011401

#SPJ1

6 0
2 years ago
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