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murzikaleks [220]
2 years ago
9

I need help with this quick Plz show all the work plz

Mathematics
1 answer:
Naddika [18.5K]2 years ago
4 0

Answer:

Step-by-step explanation:

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A is the point with coordinates (-2,d) B is the point with coordinates (4,15) The line AB has gradient 1/2 Work out the value of
anygoal [31]

Answer:

d=12

Step-by-step explanation:

15-d/4+2=1/2

15-d/6=1/2

2(15-d)=6

30-2d=6

30-6=2d

24=2d

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6 0
3 years ago
Evaluate x - 20 when x=3
ryzh [129]

Answer:

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Step-by-step explanation:

Plug in 3:

3 - 20 =

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3-20 = -17

5 0
3 years ago
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The area of a parallelogram is 58 square inches. Its base is 8 inches. What is the height of the parallelogram?
guajiro [1.7K]
725 inches long.
<span>the height of the parallelogram?
</span>
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3 years ago
Factor the expression using the GCF <br><br> 24y + 88x
Amiraneli [1.4K]

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8(3y+11x)

Step-by-step explanation:

I hope this helps!

6 0
3 years ago
Simplify: 8i^7+6i^5-5i^3-3i^2-7i-9
Dmitry_Shevchenko [17]
<span>Consider the remainder of the division of the power exponent of i by 4.
For a remainder r equal to 0, 1, 2 or 3, we have a power equal to 1, i, -1 or -i respectively, therefore:

</span>8i^7+6i^5-5i^3-3i^2-7i-9 =
8*(-i) + 6*i - 5*(-i) - 3*(-1) - 7i - 9 =
- 8i + 6i + 5i + 3 - 7i - 9 =
3 - 9 - 8i + 6i + 5i- 7i =
=\boxed{- 6 - 4i}

Answer:
\boxed{- 6 - 4i}

<span>

</span>
5 0
3 years ago
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