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balandron [24]
3 years ago
9

What is the real number of the square root of -64

Mathematics
1 answer:
zhenek [66]3 years ago
4 0
Its -8 just think of 8 x 8= 64
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I need help with 25.
noname [10]

Sum of linear pair of angles = 180°

so

<EFG + <GFH = 180°

2n + 21 + 4n + 15 = 180°

6n + 36 = 180°

6n = 144

n = 24

<EFG = 2(24) + 21 = 69°

<GFH = 4n + 15 = 4(24) + 15 = 111°

6 0
3 years ago
Jack's big shop had a huge back to college special for $1000 you get even desk chairs, five tables and two laptops. Write an equ
ICE Princess25 [194]
1000=5t+2l+c

I believe this should work.
5 0
3 years ago
The data below represent the ages of people working at a store.
Slav-nsk [51]

Answer:

The first step is sort the values on increasing order and we got:

18, 18, 19, 19, 19, 20, 22, 23. 25,  26, 31

And in order to find the first quartile we can separate the first 5 lowest values from the largest 5 values. And for this case we focus on these values:

18, 18, 19, 19, 19

And if we find the median of the last 5 values we can find the first quartile and we got:

Q_1 = 19

The best answer would be:

19

Step-by-step explanation:

For this problem we have the following dataset:

18, 26, 19, 25, 19, 23, 31, 22, 19, 18, 20

The first step is sort the values on increasing order and we got:

18, 18, 19, 19, 19, 20, 22, 23. 25,  26, 31

And in order to find the first quartile we can separate the first 5 lowest values from the largest 5 values. And for this case we focus on these values:

18, 18, 19, 19, 19

And if we find the median of the last 5 values we can find the first quartile and we got:

Q_1 = 19

The best answer would be:

19

4 0
3 years ago
During one week, David worked 16 hours at his normal hourly rate and
asambeis [7]

Answer:

43.49

Step-by-step explanation:

let his normal hourly rate be x

16x+7x/2=848

39x/2=848

x=848 ÷ 39/2

=43.48717

6 0
3 years ago
Read 2 more answers
What is the value of n in the numerical sentence?
Harlamova29_29 [7]

Answer: n = -2

Step-by-step explanation:

5 0
3 years ago
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