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Karolina [17]
2 years ago
6

m passes through points (1,5) and (3.5,7). Line n passes through points (4,7) and (7.5,10). Are lines m and n parallel? Explain.

Mathematics
1 answer:
ioda2 years ago
8 0

Answer:

No

Step-by-step explanation:

parallel= same gradient

y2-y1/x2-x1= gradient

M: 7-5/3.5-1

=2/2.5

=0.8

N: 10-7/7.5-4

=3/3.5

=0.86 (2DP)

no, the gradients are not the same, so therefore the lines m and n are not parallel.

Hope this helps:)

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Allushta [10]

Answer:3

Step-by-step explanation:

3 ^x= 27

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5 0
3 years ago
The diameter of a wheel of a lorry is 150cm. If the lorry travels 376.8m, how many times does the wheel rotate?
tresset_1 [31]
<h3>Answer:  79 full rotations</h3>

====================================================

Explanation:

150 cm = 150/100 = 1.5 m

The wheel has a diameter of 1.5 meters

The circumference of the wheel is

C = pi*d

C = pi*1.5

C = 1.5pi

C = 4.71238898038469

I'm using my calculator's stored version of pi to get the most accuracy.

Then we divide the 376.8 over the circumference found

(376.8)/(4.71238898038469) = 79.9594434093682

Despite being very close to 80, we must round down to 79 because we don't have enough to get that full 80th rotation. In other words, we have 79 full rotations and then some change leftover.

Though for the sake of simplicity, I can see how it's useful to say "about 80 rotations" if 79 seems a bit clunky. I'll stick with 79 however. Let me know if your teacher instructs otherwise.

4 0
2 years ago
The larger of two consecutive odd integers is four less than three times the smallest integer. Find the two integers.
ElenaW [278]

Answer: -1 and 1

Step-by-step explanation:

Let the first integer be x and the second x +2 , clearly, the larger is x + 2.

From the statement given

x + 2 = 3x + 4

x - 3x = 4 - 2

-2x = 2

x = -1

The second integer is -1 + 2 = 1

4 0
3 years ago
Please I really need help with this
liubo4ka [24]
Just write them the on the other side the exact same way that they are on the Y coordinate hope this helps:)
7 0
2 years ago
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Mila [183]
7

You divide 28 by 4 and get 7. Then you divide 49 by whatever you get.
3 0
2 years ago
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