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Sunny_sXe [5.5K]
2 years ago
14

Will give 20 brainly PLEASE NEED HELP NOW plz put the answer as simple as a b c or d

Mathematics
1 answer:
Bogdan [553]2 years ago
6 0

Answer:

1. A

2. C

Step-by-step explanation:

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Find the value of X.
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Mark made a business trip of 259.5 miles. He averaged 59mph for the first part of the trip and 57mph for the second part. If the
max2010maxim [7]

Answer:

Step-by-step explanation:

d = r * t

Let the time at 59 miles /  hour be t

59*t + 57* (4.5 - t) = 259.5              Remove the brackets

59*t + 256.5 - 57*t = 259.5            Combine the left

2t + 256.5 = 259.5                         Subtract 228 from both sides

2t = 259.5 - 256.5                          Combine

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So he spent 1.5 hours going at 59 miles per hour

He spent 4.5 - 1.5 = 3 hours going 57 miles per hour.

                               

8 0
2 years ago
Maggie's brother is 6 years younger than four times her age. The sum of their ages is 39. How old is Maggie?
poizon [28]

We can set Maggie's age to x

If her brother is six years younger than four times her age, than her brother must be equal to: 4x-6

Since the sum of their ages is 39, we can set up an equation.

(Sum of Maggie's age) + (sum of Maggie's brother's age) = 39

x + (4x -6) = 39

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x = 9 , Maggie's age is 9

6 0
2 years ago
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