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3 years ago

You traveled 450 miles and it takes you seven hours. What is your average rate?

Mathematics

2 answers:

nlexa [21]3 years ago

5 0

64.28 miles per hour

myrzilka [38]3 years ago

4 0

Answer:

64.28 miles per hour

Step-by-step explanation:

I divided the seven by the 450

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Subtract -5x^2+7x+1 from 8x^2+x-10<br>I will give brainleist

marta [7]

Answer:

3x² + 8x - 9

Step-by-step explanation:

8x² - 5x² +x+7x-10+1

=3x² + 8x - 9

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3 years ago

Given the equation 2 Square root of x minus 5 = 2, solve for x and identify if it is an extraneous solution.

leonid [27]

<span>2 square root (x - 5) = 2. 2^2 (x -5) = 2^2. 4(x - 5) = 4. 4x - 20 = 4. 4x = 24. x = 6. This solution is not extraneous, because extraneous solutions emerge from solving the problem but are not actually valid solutions for the initial problem. With rounding, this solution is valid for the initial problem.</span>

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3 years ago

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Find the principal square root of 14.

Anika [276]

Sqrt14 = 3.74 (2dp)

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2 years ago

SIMPLE PARALLELOGRAM PERIMETER QUESTION

umka2103 [35]

The perimeter is 62 inches. My work is shown in the picture.

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3 years ago

HELP ME PLEASE I NEED THIS LOVE U GUYS <33

Sedaia [141]

Answer:

$\huge\boxed{\sf Volume = 384 \ cm^3}$

Step-by-step explanation:

Slant Height = 10 cm

Base Edge = 12 cm

<u>Finding the Height using Pythagorean Theorem:</u>

$\sf c^2 = a^2 + b^2 \\\\Where \ c = 10\ cm , b = 6\ cm [Half of 12] \ and \ a \ is \ height\\\\10^2 = a^2 + 6^2\\\\100=a^2 +36\\\\100-36 = a^2\\\\64 = a^2\\\\Taking \ sqrt \ on \ both \ sides\\\\Height= 8 \ cm$

$\rule[225]{225}{2}$

<u>Now, Finding the volume:</u>

$\sf Volume = a^2 \frac{h}{3}\\\\ Where \ a \ is base \ edge \ and \ h \ is \ height\\\\Volume = (12)^2 \frac{8}{3} \\\\Volume = 144 \frac{8}{3} \\\\Volume = 48*8\\\\\bold{Volume = 384 \ c m^3}$

$\rule[225]{225}{2}$

Hope this helped!

<h2>~AnonymousHelper1807</h2>

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3 years ago