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mrs_skeptik [129]
2 years ago
7

JO. Jeff buys 3 boxes of cereal for $2.99 each a gallon of

Mathematics
1 answer:
kramer2 years ago
6 0
First add up the total of the food. Then, multiply it by .2 (20%), and subtract that number from your total. You will get the price Jeff paid for his food.

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The question says 5k+6k+4k=90. What does k equal?
alina1380 [7]
5k+6k+4k=90 \\ \\ 15k = 90 \ / \ simplify \\ \\ k =  \frac{90}{15} \ / \ divide \ each \ side \ by \ 15 \\ \\ k = 6 \ / \ simplify \\ \\

The final result is, k = 6.
5 0
3 years ago
I will rate you brainliest
slava [35]

Answer:

(3x+11)/ (5x-9)

Step-by-step explanation:

The numerator is what is on the top of the bar in the middle

(3x+11)/ (5x-9)

7 0
3 years ago
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Cheyenne drove 3000 miles in 75 hours. At this rate, how long will it take her to drive 4000 miles?
lyudmila [28]
Set up a proportion:
\frac{3000}{75}=\frac{4000}{x}
To solve cross multiply:
3000x=300000
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3000x/3000=300000/3000
x=100

It will take her 100 hours to drive 4000 miles assuming she continues to travel at this rate.

6 0
3 years ago
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The function N(X) = 90(0.86)* + 69 can be used to predict the temperature of a
dezoksy [38]

Answer: -8.93

Step-by-step explanation:

Given the function:

N(X) = 90(0.86)^x+ 69

X in the interval [0, 6]

For X = 0

N(0) = 90(0.86)^0 + 69

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For X = 6

N(6) = 90(0.86)^6 + 69

90(0.404567235136) + 69

= 105.41105116224

Therefore, average change of change in temperature ;

(temp 2 - temp 1) / ( time 2 - time)

(105.41105116224 - 159) / (6 - 0)

= - 53.58894883776 / 6

= - 8.93149147296

= - 8.93

4 0
3 years ago
Which of the following is the line of symmetry for the figure shown below?
user100 [1]

Answer:

C. Line A

Step-by-step explanation:

6 0
3 years ago
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