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2 years ago

Help pls Ill mark brainliest

Mathematics

1 answer:

soldi70 [24.7K]2 years ago

4 0

First, find the slope: 8 - 2 / 6 - - 3

6 / 6 + 3

6 / 9

y-y₁=m(x-x₁)

<h2>y-8=2/3(x-6): Point Slope Form</h2>

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A bunch of seedless black grapes costs $2.00. How many can you buy for $20.00?

MAVERICK [17]

10 of themyou can buy

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3 years ago

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Carter has one 20$ bill, one 10$bill, four 5$ bills and two 1$ bill,Aubrey has two 10$bills ,five 5$ bills and seven 1$ bills .w

Luba_88 [7]

Carter- 20+10=30+(5x4)=50+2=$52
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If it takes 6 hours for a plane to travel 720km with a tail wind and 8 hours to make the return trip with a head wind. Find the

denis-greek [22]

The speed of wind and plane are 105 kmph and 15 kmph respectively.

<u>Solution:</u>

Given, it takes 6 hours for a plane to travel 720 km with a tail wind and 8 hours to make the return trip with a head wind.

We have to find the air speed of the plane and speed of the wind.

Now, let the speed wind be "a" and speed of aeroplane be "b"

And, we know that, distance = speed x time.

$\text { Now, at tail wind } \rightarrow 720=(a+b) \times 6 \rightarrow a+b=\frac{720}{6} \rightarrow a+b=120 \rightarrow(1)$

Now at head wind → $720=(a-b) \times 8 \rightarrow a-b=\frac{720}{8} \rightarrow a-b=90 \rightarrow(2)$

So, solve (1) and (2) by addition

2a = 210

a = 105

substitute a value in (1) ⇒ 105 + b = 120

⇒ b = 120 – 105 ⇒ b = 15.

Here, relative speed of plane during tail wind is 120 kmph and during head wind is 90 kmph.

Hence, speed of wind and plane are 105 kmph and 15 kmph respectively.

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3 years ago

I really hate summer school help plz

Elena L [17]

This is a same side interior angle, which means that the two angles, when added, will equal 180°

y + 72 = 180

Isolate the y, subtract 72 from both sides

y + 72 (-72) = 180 (-72)

y = 180 - 72

y = 108

A) 108°, is your answer

hope this helps

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Suppose the radius of a circle is 5.what is its diameter

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The diameter would be twice 5, or 10

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