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3 years ago

14

IM WASTING MY POINTS FEEL FREE TO ANSWER OR TO SAY ANYTHING RANDOM BUT NOT inappropriate LOL ANYONE TO ANSWER FASTEST GETS BRAIN

LIEST
NO LINKS CUZ I WILL REPORT YOU

1 answer:

DaniilM [7]3 years ago

4 0

Answer:

hihihihihihihihihih hehe

Step-by-step explanation:

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A square mirror has sides measuring 2 ft less than the sides of a square painting. If the difference between their areas is 32 f

kari74 [83]

Answer: The side lengths of mirror and painting are 7 ft and 9 ft respectively.

Step-by-step explanation: Given that a square mirror has sides measuring 2 ft less than the sides of a square painting and the difference between their areas is 32 ft.

We are to find the lengths of the sides of the mirror and the painting.

Let x ft represents the length of the side of mirror. Then, the side length of square painting is (x+2) ft.

According to the given information, we have

$\textup{area of painting}-\textup{area of mirror}=32\\\\\Rightarrow (x+2)^2-x^2=32\\\\\Rightarrow x^2+4x+4-x^2=32\\\\\Rightarrow 4x=28\\\\\Rightarrow x=\dfrac{28}{4}\\\\\Rightarrow x=7.$

Therefore, the side length of mirror is 7 ft and the side length of painting is (7+2) = 9 ft.

Thus, the side lengths of mirror and painting are 7 ft and 9 ft respectively.

5 0

3 years ago

3) Jack has $400 and is going to start saving $30 per week. Sally has $225 and is going to start saving $55 per

Gre4nikov [31]

It will take 7 weeks and both will have $610

30x7=210+400=610
55x7=385+225=610

8 0

2 years ago

The scores on a test are normally distributed with a mean of 78 and a standard deviation of 13. Find the score that is 2 standar

Veronika [31]

Answer:

52

Step-by-step explanation:

Given that :

Mean (m) = 78

Standard deviation (s) = 13

Score that is 2 standard deviations below the mean

Using the relation :

Zscore = (x - m) / s

2 standard deviations below the mean means a Zscore of - 2

Hence,

-2 = (x - 78) / 13

Cross multiply

-2 * 13 = x - 78

-26 = x - 78

x = - 26 + 78

x = 52

Score which is 2 standard deviations below the mean is 52

4 0

3 years ago

NEED ASAP HELPPPP !!!!!!!!!!

FinnZ [79.3K]

Answer:

The answer is b

3 0

2 years ago

At what position on the number line is the red dot located?

Lostsunrise [7]

Answer:

square root of 7

Step-by-step explanation:

2 times 2 is 4

3 times 3 is 9

7 is the only option between 4 and 9

(this was more the easy method lol but hope this helps)

5 0

3 years ago