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oee [108]
3 years ago
13

I WILL MARK BRAINLIST

Mathematics
1 answer:
sladkih [1.3K]3 years ago
8 0
Answer:
It’s a rotation of 90
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How do u write 2 and four sevenths as an improper fraction
Tcecarenko [31]
2 = 14/7
4/7 + 14/7 = 18/7

I think the answer is 18/7
 
7 0
3 years ago
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Two Cars Start at the Same Point and travel in the Same Direction at the average speeds of 70 miles per hour, and 40 miles per h
cestrela7 [59]

Answer:

You can check it by solving it in your head.  They are separating at the rate of 55-40 or 15 miles per hour.  So in 1 hour or 60 minutes they'll be 15 miles apart, so in 20 minutes they'll be 5 miles apart, so in 40 minutes they'll be 10 miles apart.  So it has to be 40 minutes.

Step-by-step explanation:

55t-40t=10

15t=10

15t/15=10/15

2/3

40 Minutes

3 0
3 years ago
Square root of 78 rational or irrational
lozanna [386]
The square root of 78 is Irrational
4 0
4 years ago
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What is 43 x 2452?
Dafna11 [192]

43*2452=105436

Step-by-step explanation:

Hope it will help you.

8 0
3 years ago
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Find the reduced row echelon form of the augmented matrix
kvasek [131]

Answer:

Top row: [1 0 0 | 650}

Middle row: [0 1 0 | -400]

Bottom row: [0 0 1 | -1100]

Step-by-step explanation:

When you put an augmented matrix in RREF for, you have to have only 1's diagonal and 0's everywhere else on the left side of the bar.

8 0
3 years ago
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