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skelet666 [1.2K]
2 years ago
8

Jenna's class brought in 40 pieces of fruit for a celebration and 18 pieces of fruit were eaten. What percentage of the fruit wa

s NOT eaten?
Mathematics
2 answers:
masha68 [24]2 years ago
8 0

Answer:

e

Step-by-step explanation:

Natalka [10]2 years ago
5 0

Answer:

55%

Step-by-step explanation:

40 - 18 = 22

22/40= 55%

Hope this helps!      :3

plz mark as brainliest!

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Simplify 2x^2y+xy+5y^2-7x^2+4y^2
Ira Lisetskai [31]

Answer:

2x^2y+9y^2-7x^2

Step-by-step explanation:

Just combine like terms.

6 0
3 years ago
Weights of American adults are normally distributed with a mean of 180 pounds and a standard deviation of 8 pounds. What is the
Leto [7]

Answer:

There is 16.2% probability that a randomly selected individual will be between 185 and 190 pounds

Step-by-step explanation:

Z score

The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

z = (x - μ) / σ

where μ is the mean, x = raw score and σ is the standard deviation.

Given μ = 180, σ = 8.

For x = 185:

z = (185 - 180)/8 = 0.625

For x = 190:

z = (190 - 180)/8 = 1.25

P(185 < x < 190) = P(0.625 < z < 1.25) = P(z < 1.25) - P(z < 0.625) = 0.8944 - 0.7324 = 16.2%

There is 16.2% probability that a randomly selected individual will be between 185 and 190 pounds

3 0
3 years ago
8x – 12y = 48<br> Find the x-intercept and y-intercept
Sindrei [870]

Answer:

my answer came out to x = 6 + 1.5y

Step-by-step explanation:

3 0
3 years ago
Please help! (will mark as brainliest)
ddd [48]

Answer:

2x + 10

Step-by-step explanation:

the sum of two times a number means # times 2, and the number is unknown so you use x, and ten means +10 so that means that, THe sum of two times  number and ten is

2x+10

5 0
3 years ago
What do the following two equations represent?<br> -4x-4y = -5 <br> 12x+12y = 112x
7nadin3 [17]

Answer:

These two lines are parallel and system of these equations have no solution

Step-by-step explanation:

Parallel Lines: Lines having same slope and different x and y intercept are parallel lines. System of such equations does not have any solution as these lines does not intersect at any finite points.

Standard form of line is y=mx+c where m is slope and c is y-intercept.

First Line:

-4x-4y=-5\\\\-4y=-5+4x\\\\Divide\ both\ sides\ by\ -4\\\\y=-x+\frac{5}{4}\\\\compare\ with\ y=mx+c\\\\slope=-1,\ c=\frac{5}{4}

Second Line:

12x+12y=112\\\\12y=112+-12x\\\\Divide\ both\ sides\ by\ 12\\\\y=-x+\frac{12}{112}\\\\compare\ with\ y=mx+c\\\\slope=-1,\ c=\frac{12}{112}

Hence these two lines are parallel and system of these equations have no solution

4 0
3 years ago
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