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igor_vitrenko [27]
3 years ago
5

That up there please heeeeelp

Mathematics
1 answer:
Tomtit [17]3 years ago
3 0

Answer:

A(2)

Step-by-step explanation:

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Use complete sentences to describe why √-1≠-√1
Salsk061 [2.6K]

Answer: because √-1 complex number ; and -√1 real number

Step-by-step explanation:

because √-1 complex number ; and -√1 real number or                                         \displaystyle\ (\sqrt{-1})^2 \neq(- \sqrt{1} )^2 \\\\-1\neq 1                                              

7 0
3 years ago
Grace drove 240 miles in 4 hours. If she drove at a constant rate, how far did she travel in one hour?
kvasek [131]

Answer:

60

Step-by-step explanation:

240/4

6 0
3 years ago
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If two lines are perpendicular, which statement must be true?
Kryger [21]

Answer:

Their slopes are opposites

8 0
2 years ago
3/8 is 4 & 3/5 % of what number? (Round to the nearest hundredth.)
Harman [31]

Answer:

n = 8.15

Step-by-step explanation:

3/8 is 4 & 3/5 % of what number?

Rewrite this as:    3/8 is (4  3/5)% of what number?

Convert 4 3/5% into a decimal:  0.046

Then write out and solve the equation 3/8 = 0.046n, where n is the unknown number.

Dividing both sides by 0.046, we get n = 8.15

4 0
3 years ago
54 miles is 18% of how many miles?
riadik2000 [5.3K]

Answer:

(set up a ratio)

54/x = 18/100

(cross multiply)

18x = 5400

(solve for x)

x = 300 miles

Step-by-step explanation:

6 0
3 years ago
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