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iren2701 [21]
3 years ago
15

Please help, will mark brainliest if correct!!!

Mathematics
1 answer:
Hatshy [7]3 years ago
6 0

Answer:8.5

Step-by-step explanation:

Pythagorean Theorem

A

a^2 + b^2 = c^2

3^2 + 8^2 = c^2

9 + 64 = c^2

73 = c^2

C= Sqrt (73)

C = 8.5

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OlgaM077 [116]
<h3>Answer:  </h3><h3>There are 75 coins that aren't nickels. </h3><h3>One equation you could use is 75+n = 92</h3>

(This solves to n = 17 meaning there are 17 nickels)

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

Explanation:

"There are 25 ​pennies, 21 ​dimes, and 29 quarters", so there are 25+21+29 = 75 coins so far. This is the amount of coins that aren't nickels. The rest are nickels, which is some amount n. This adds to the 75 to get 75+n. Set this equal to 92 because there are 92 coins in all. That's how we end up with 75+n = 92.

-----

Extra info

The equation 75+n = 92 is the same as n+75 = 92. Subtract 75 from both sides to isolate n. You should get n = 17 after doing so.

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3 years ago
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8_murik_8 [283]

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Step-by-step explanation:

8 0
3 years ago
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4x + 5 is greater than 11
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Answer:

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Step-by-step explanation:

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3 years ago
PLEASE HELP 60 POINTS!!!!!!Sal’s Sandwich Shop sells wraps and sandwiches as part of its lunch specials.
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The, we need to divide both sides of the equation by by 3 to solve for y

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We know the y intercept is 470, which means on the y axis we place at point at positive 490.  The slope is -2/3.  We go down 2 units and over to the right 3 units and place a point.  We draw a line connecting these two points extending only to the right until it reaches the x axis. We cannot have negative x because we cannot sell negative lunch specials.  We cannot have negative y, because y is the number of specials sold.

8 0
3 years ago
1 million selfies taken each day on average, 48% are posted How many selfies are posted to the site each day?
Igoryamba

Answer:

480,000

Step-by-step explanation:

1,000,000 x 0.48 = 480,000

480,000 = 48% of 1 million

7 0
2 years ago
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