Who was found the math

Mathematics

1 answer:

Zolol [24]2 years ago

4 0

<h3>Answer:</h3>

Math is not discovered, It's Invented.

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✍︎ꕥᴍᴀᴛʜᴅᴇᴍᴏɴǫᴜᴇᴇɴꕥ

✍︎ꕥᴄᴀʀʀʏᴏɴʟᴇᴀʀɴɪɴɢꕥ

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Rachel runs 6 miles in 50 minutes. At the same rate, how many miles would she run in 35 minutes?

Naily [24]

Answer: 4.2 miles

Step-by-step explanation:

So she ran 6 miles in 50 minutes how long will she run in 35 minutes?

So the equation will therefore be:

6=50

x=35

Cross multiply

6 x 35 = 50x

210 = 50x

Divide both sides by 50

The answer is 4.2 miles

5 0

2 years ago

Find the perimeter of the triangle defined by the coordinates (9, 0), (-5, 0), and (-10, 6). (Round to nearest tenth)

eduard

The perimeter is 41.7.

We first find the distance between each vertex using the distance formula:
$d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}
\\
\\=\sqrt{(0-0)^2+(-5-9)^2}=\sqrt{0^2+(-14)^2}=\sqrt{196}=14
\\
\\d=\sqrt{(6-0)^2+(-10--5)^2}=\sqrt{6^2+(-5)^2}=\sqrt{36+25}=\sqrt{61}
\\=7.81
\\
\\d=\sqrt{(6-0)^2+(-10-9)^2}=\sqrt{6^2+(-19)^2}=\sqrt{36+361}=\sqrt{397}
\\=19.92$

We now find the perimeter by adding all of the side lengths:
14+7.81+19.92 = 41.73 ≈ 41.7

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3 years ago

Brady rode his bike 70 miles in 4 hours. He rode at an average speed of 17 mph

svetoff [14.1K]

That is false, 70 / 4 is not 17 mph
it is 17.5 mph

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2 years ago

Read 2 more answers

Five cupcakes and two cookies cost $19.75. Two cupcakes

djverab [1.8K]

Answer:

4.375 dollars per cookie and 2.2 dollars per cupcake