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harkovskaia [24]
3 years ago
8

What is the simplified expression for 2 (x minus 5)? 2 x Negative 10 x 2 x minus 10 2 x + 5

Mathematics
2 answers:
Kay [80]3 years ago
7 0

Answer:

2x-10

Step-by-step explanation:

Multiply BOTH x and -5 by 2

kondaur [170]3 years ago
7 0

Answer:

2x-10

Step-by-step explanation:

2(x-5)

2*x - 2*5

2x-10

Hope u mark me as the brainliest!

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In a video store, a DVD was $13.50. It was now marked, "10% off". What was the sale price of the DVD?
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$12.15

Step-by-step explanation:

13.50 x 0.9 = 12.15

7 0
3 years ago
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HELP PLS 25 POINTS!!!!
Anika [276]

Okay, let me first explain what the equation<em> y = 8.77x + 686 </em>means

<em>y </em><em>is the hikers elevation </em>

Look at the graph and see what the y and x axis's are labeled as.

<em>x </em><em>is time. </em>

8.77 is just the slop of the trend line.

<em>686 </em><em>is just the elevation the hiker starts at</em>, or in technical terms, the y intercept. Y intercept is just where the lines touches the y axis.

The question asks what will be the <u>hiker's elevation at 145 minutes. </u>

To solve, just simply <u>plug in 145 as X </u>in the equation above. Remember x is time.

It will look like this :

y = 8.77 (145) + 686

Then solve.

y = 1271.65 + 686

y = 1957.65

Reminder: They want the nearest whole number!

Round 1957.65 feet to 1958 feet


Hope I helped! Message me if you have questions  

5 0
4 years ago
Given the vectors a and b, with lengths 21 and 44 respectively, and cosine of the angle between them equal to StartFraction 7 Ov
Liono4ka [1.6K]

Answer:

ab= 49/4

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Step-by-step explanation:

7 0
3 years ago
At noon, a tank contained 8 cm of water. After several hours, it contained 6 cm of water. What is the percent decrease in the ta
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Step-by-step explanation:

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So √12 is in radical form. I think what you are asking for is to reduce the expression to its simplest radical form.

So 12 = 4*3, √12 = √4 * √3.

We can ‘reduce’ this by noting that √4 =2, so the expression becomes 2√3.

This cannot be further reduced because 3 isn’t a square or divisible by a square, so 2√3 is the simplest radical form.

3 0
3 years ago
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