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Sonbull [250]
3 years ago
7

NEED HELP FAST WILL GIVE BRAINIEST

Mathematics
2 answers:
vladimir1956 [14]3 years ago
5 0

Answer:

x^2 + 8x - 65 = 0.

Step-by-step explanation:

In order to solve the side of the enlarged area of 81 square inches, we use the equation in solving the area of a square. Area = side^2.

the increase in side will be x, so (4+x)^2 = 81, x^2 + 4x + 4x + 16 = 81

x^2 + 8x + 16 - 81 = 0

x^2 + 8x - 65 = 0.

  Hoped this helped mark Brainliest!

almond37 [142]3 years ago
4 0

to solve the side of the area of 81 square inches

use the equation in solving the area of a square. Area = side^2.

the increase in side will be x, so (4+x)^2 = 81, x^2 + 4x + 4x + 16 = 81

x^2 + 8x + 16 - 81 = 0

x^2 + 8x - 65 = 0.

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3 years ago
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Antonio gave 27 tomatoes to his neighbor and 15 to his brother. he had72 tomatoes before giving some away. how many tomatoes doe
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At first he had 72 then he gave 27 to his neighbor  ( 27 subtract 72 = 45) and then he gave 15 to his brother  ( 45 subtract 15 = 30) 

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6 0
3 years ago
The largest taco contained approximately 1 kg of onion for every 6.8 kg grilled steak. The total weight of these two ingredients
erastovalidia [21]

Answer: Onion = 79.17 kg

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Step-by-step explanation:

Hi, to answer this question we have to write an equation with the information given:

1 k + 6.8 k = 617.6  

Where “k” is a constant value, a multiplier.

Solving for k:

7.8 k = 617.6

k = 617.6 /7.8  

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So:

Amount of onion used:

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Feel free to ask for more if needed or if you did not understand something.

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