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Fittoniya [83]
3 years ago
5

2x - 4y + 7x - 87 Helppp

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
8 0

Answer:

9x-4y-87

Step-by-step explanation:

2x-4y+7x-87

9x-4y-87

Igoryamba3 years ago
3 0

Answer:

9x-4y-87

Step-by-step explanation:

7x+2x=9x

-4y has no similar variable

-87 has no similar variable

therefore the answer is 9x-4y-87

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rewona [7]

Answer:

1. 48

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Step-by-step explanation:

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4 0
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Is my answer correct? Please see attachment and notify me.
statuscvo [17]
Last time I checked that was about right, but it's been a few years since then.

6 0
3 years ago
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The angle marked a = 146 Work out the angle marked x.​
notka56 [123]

Answer:

<h2>34 degrees</h2>

Basic facts:

<em>Corresponding angles are sometimes known as 'F' angles.</em>

angles in a straight line add up to 180

Step-by-step explanation:

To find the other side of <em>a</em> we follow the Basic fact annd do

180-146

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5 0
2 years ago
In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?
Advocard [28]

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

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C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

3 transistors from a set of 100. So

C_{100,3} = \frac{100!}{3!(100-3)!} = 161700

So 161700 ways.

6 0
3 years ago
Calculate the cost of 8 cans if 2 cans of olive oil cost 24
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Answer:

96

Step-by-step explanation:

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2 years ago
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