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Aleks [24]
3 years ago
10

Solve and explain plz

Mathematics
1 answer:
Kobotan [32]3 years ago
4 0

Answer: r=28

Step-by-step explanation: you multiply 7×4 and that will get you the answer

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A city that has an elevation of 15 meters is closer to sea level than a city that has an elevation of -10 meters.
Darya [45]

Answer:

Step-by-step explanation: Your answer will be -10 because even though -10 is much lower than 15 it’s still closer to sea level.

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2 years ago
Simplify each algebraic expression.
GREYUIT [131]

Answer:

\huge\boxed{\sf-2x+28}\\\\\huge\boxed{\sf 10x-4}\\\\\huge\boxed{\sf 56-5x}\\\\\huge\boxed{\sf x-13}

Step-by-step explanation:

\sf 2x + 4(7-x)  \\\\Resolving \ Parenthesis\\\\2x + 28-4x \\\\Combining\ like\ terms\\\\2x-4x +28\\\\-2x + 28\\\\\rule[225]{225}{2}

\sf \\12x-(4+2x)\\\\12x-4-2x\\\\Combining \ like \ terms\\\\12x-2x - 4\\\\10x-4 \\\\\rule[22]{225}{2} \\2(10-x)+3(12-x) \\\\Resolving \ Parenthesis\\\\20-2x + 36 -3x\\\\Combining \ like \ terms\\\\20+36 -2x-3x\\\\56 - 5x \\\\\rule[225]{225}{2}

\sf 7(x-1)-6(x+1)\\\\Resolving \ Parethesis\\\\7x-7-6x-6\\\\Combining \ like \ terms\\\\7x-6x-7-6\\\\x - 13\\\\\rule[225]{225}{2}

Hope this helped!

~AnonymousHelper1807

3 0
3 years ago
Please Help (10 Points) I Really Need Help! Please Show Ur Work!
elena55 [62]
To find the mean add up all the numbers given then divide your answer by how many numbers there are.
for ex: 1,2,3,4,5
1+2+3+4+5= 15
15 divided by 5 = 3
so the mean is 3

5 0
3 years ago
You flip a coin, spin the spinner, and flip a coin again. Find the probability of flipping heads, spinning an even number, and t
NNADVOKAT [17]

Answer:

1/10

Step-by-step explanation:

P heads,even,heads = P heads * P even *P heads =

1/2 * 2/5* 1/2 = 1*2*1/2*5*2= 1/10

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3 years ago
How do I take picture on this app
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When you r typing ur question, there is an Ask Question button, click that then click on the camera icon to take pic or gallery icon to pick pic from gallery
3 0
4 years ago
Read 2 more answers
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