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Neko [114]
2 years ago
7

What is the value of | 7 |?​

Mathematics
2 answers:
Andrew [12]2 years ago
5 0

Answer:

7 the brackets just makes any number in there positive

Step-by-step explanation:

9966 [12]2 years ago
3 0

Answer: for pozitive numbers its just the number in this case 7

Step-by-step explanation: if it was | -7 | it wood be 7

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Mrs. Baker found 25 shells on the beach. She brought 2/5 of the shells to her
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Answer:

A. 10 B. 15

Step-by-step explanation:

A. 25/1 * 2/5= 50/5

reduced it is 10

B. 25-10=15

8 0
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Step-by-step explanation:

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What is the simplified form of this?
katrin [286]
(2x^2-4x-3)(3x+1)
Expand
<span><span>(<span><span><span>2<span>x^2</span></span>+<span>−<span>4x</span></span></span>+<span>−3</span></span>)</span><span>(<span><span>3x</span>+1</span><span>)
Cross multiply
</span></span></span><span><span><span><span><span><span><span><span>(<span>2<span>x2</span></span>)</span><span>(<span>3x</span>)</span></span>+<span><span>(<span>2<span>x^2</span></span>)</span><span>(1)</span></span></span>+<span><span>(<span>−<span>4x</span></span>)</span><span>(<span>3x</span>)</span></span></span>+<span><span>(<span>−<span>4x</span></span>)</span><span>(1)</span></span></span>+<span><span>(<span>−3</span>)</span><span>(<span>3x</span>)</span></span></span>+<span><span>(<span>−3</span>)</span><span>(1)
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7 0
3 years ago
Work out the equation of line B. Give your answer in the form y = mx + c, where m and care integers or fractions in their simple
Gala2k [10]

Answer:

y = -3x + 1

Step-by-step explanation:

The line crosses the y-axis at 1. This is called the y-intercept. This is the number you fill in for c in the form of the equation given.

You can pick any two points on the line to calculate the slope. But you can actually SEE the slope without having to calculate it when you have the graph to look at. See the line crossing the y-axis at 1. Look for another point (that has nice whole number coordinates) there is one DOWN3 and OVER1. If you notice, the next point is also DOWN3 and OVER1.

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Done!

6 0
2 years ago
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