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bearhunter [10]
1 year ago
5

Simplify the expression to a + bi form: - Answer: √121 + √-75-√81 - √-192

Mathematics
1 answer:
emmasim [6.3K]1 year ago
6 0

Answer:

Step-by-step explanation:

sqrt(121) + sqrt(-75) - sqrt(81) - sqrt(-192) = 2 - 5.19615242i

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Five less than the sum of x and y
ratelena [41]

Answer: x+y>5 or (x+y)-5

Step-by-step explanation:

There are two potential ways of writing five less than the sum of x and y. You can use an expression or an inequality.

Inequality

By using an inequality, we would use the less than sign because 5 is <u>less than</u> the sum of x and y.

5<x+y

We can also write it where the variables are on the left side, which is usually preferred.

x+y>5

-------------------------------------------------------------------------------------------------------------

Expression

For an expression, we would basically write an equation, but without the equals sign.

(x+y)-5

Since 5 is less than the sum of x and y, we would subtract 5 from x+y. We don't necessarily need to put parentheses around x+y since the order of operations tells us to add or subtract from left to right in order. It is still good to be specific, saying that it is the sum of x and y.

3 0
4 years ago
Kenna's is earning money. The following equation models her earnings: y=55x+1300
labwork [276]

Answer:

In 14 weeks, they will have the same earnings.

Step-by-step explanation:

y = 55x + 1300 -------- (1)

y = 25x + 1720 -------- (2)

(2) = (1)

55x + 1300 = 25x +1720

55x - 25x = 1720 - 1300

30x = 420

30x ÷ 30 = 420 ÷ 30

x = 14

5 0
3 years ago
Evan and Riley are detectives at the Super Sleuths Detective Agency. Even solved 7/9 of the mysteries last year. Riley solved 14
Kobotan [32]

Answer:

Step-by-step explanation:

Let the number of mysteries solved=x, then according to question, number of mysteries Evan solved=\frac{7}{9}x, also together they solve all the mysteries, thus

14+\frac{7}{9}x=x

14=x-\frac{7}{9}x

14=\frac{9x-7x}{9}

14=\frac{2x}{9}

2x=126

x=63

Thus, total number of mysteries solved=63.

Also, total number of mysteries Evan solved=\frac{7}{9}x= \frac{7}{9}{\times}63=49.

5 0
3 years ago
1. Calculate the volume of the rectangular prism. Answers are in cubic
kolezko [41]
30 is the answer i think
3 0
3 years ago
Read 2 more answers
Pls help I’ll give you 38 points
polet [3.4K]

Answer:

Step-by-step explanation:

I cant see it

5 0
3 years ago
Read 2 more answers
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