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Karolina [17]
3 years ago
8

Consider the following statement. Five less than 4 times a number equals 2 more than 3 times the number. a. Write an equation to

represent the statement. Use n for the unknown number. b. Solve the equation. c. Explain how you solved the equation.
Mathematics
2 answers:
stich3 [128]3 years ago
7 0
4n-5 = 3n+2  thats taking the word problem and writing it out
Now solve

4n-5=3n+2
n = 7
prisoha [69]3 years ago
5 0

n  = unknown number

5 less than 4 times a number = 4n-5

2 more than 3 times a number = 3n+2

 so you have 4n-5 = 3n +2

add 5 to both sides:

4n=3n+7

subtract 3n from both sides:

n = 7


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The equation is P= 2w + 2(w+4.1)

The width is 8.2cm

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2 years ago
Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest
erica [24]

Answer:

$18

Step-by-step explanation:

15 x 15% = 2.25                 This is the tip.

15 x 5% = 0.75                    This is the tax amount.

ADD THEM ALL UP:

2.25 + 0.75 + 15 = $18

<h3><u><em>Hope this helps!!! </em></u></h3><h3><u><em>: )</em></u></h3>
7 0
3 years ago
Read 2 more answers
Find the product. Write your answer as a mixed number in simplest form 5 3\4 x 4 2\9
qaws [65]
The product of 5 3/4 X 4 2/9 is equal to 24 5/18
4 0
3 years ago
[problem 3]
Mazyrski [523]

Looking at the image of the cube you can see the outer edges would have paint on 2 sides and the corners would have paint on n3 sides.

The only ones with paint on one pace is the center cubes.

There are 6 sides to a cube and there would be 6 center pieces.

Answer: 6

4 0
3 years ago
NEED HELP WITH PERFORMANCE TASK IN MATH!!! I will mark you brainliest and give you extra points!
koban [17]

Answer:

a) Use the data in the table to find the rate of change in the length of baby girl Grace. (2 points)

The rate of change is 1.5 inches every two months. (0.7 inches per month)


b) Write a linear equation for the graph in point-slope form. Show your work. (2 points)

0.7x-y+17.2=0

Work: (y-y1)=m(x-x1)

(y-20)=0.7(x-4)

y=0.7x-2.8+20

y=0.7x+17.2

0.7x-y+17.2=0


c) 20-1.5= 18.5 (2 months)

18.5-1.5= 17

17 inches

Grace was 17 inches at birth. I found this out by using my data and knowing that she grew 1.5 inches every two months. So, to solve I subtracted 1.5 from 20, for that was the first data that was given, and was left with the data that the baby was 18.5 inches long at birth. I did the same procedure again, subtracting 1.5 from 18.5, and was given 17. Since 17 inches long was what was recorded at zero months, that would mean that the baby was 17 inches long at birth.


d) Based on the data, I can predict that Grace will grow about 4.2- 4.5 inches in 6 months, and be about 44 inches long. To do this, I took the known rate of change (1.5 inches per two months) and the last recorded data (39.5 inches). I then realized that there was six months until 36 weeks. Still keeping in mind that the rate of change was 1.5 per two months, I multiplied 1.5 by 6 and then divided by 2 (because it was every two months and not one). This came out to be that she would grow 4.5 inches in 6 months. I then added 4.5 to 39.5 (the length at 30 months) and got a total of 44 inches. This would mean that Grace would be 44 inches long at 36 weeks. This would make sense because the rate of change was used, and if one subtracted the rate of change by 0.7 for 6 months from 44, they would get an answer of 39.5.


Hope this helped:)


3 0
3 years ago
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