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Doss [256]
3 years ago
14

O

Mathematics
1 answer:
Marizza181 [45]3 years ago
3 0

Answer:

325 miles

Step-by-step explanation:

Given that,

A car travels 390 miles in 6 hours.

We need to find the distance travelled in 5 hours.

6 hours = 390 miles

1 hour = 65 miles

In 5 hours,

5 hours = (65×5) miles

= 325 miles

So, it will travel 325 miles in 5 hours.

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Which of the following shows a group of possible angles a triangle could have?
maw [93]

Answer:

<u><em>D) 50, 60, 70</em></u>

Step-by-step explanation:

The reason why it's D since a regular triangle equals up to 180 degrees in total and D is the only one that equals 180.

50+60+70= 180 degrees

<u><em>Hope this helps</em></u>

8 0
2 years ago
Identify each matrix A such that A^2 has identical diagonal elements?
Maksim231197 [3]

Answer:

The correct matrices are:

Matrix:

7 1 5

1 5 7

5 7 1

all diagonal elements of A^2 are: 7^2 + 1^2 + 5^2

Matrix:

9   18  27

27 -9  18

18  27 9

all diagonal elements of A^2 are: 9^2 + 27*18 + 18*27   or (-9)^2

Matrix:

8 1 6

6 8 1

1 6 8

all diagonal elements of A^2 are: 8^2 + 6*1 + 1*6

6 0
3 years ago
2 members of the 5-member math study group will present their project to the class. How many combinations of 2 members are possi
klio [65]

Answer:

2

Step-by-step explanation:

(,)=?

(,)=(5,2)

=5!(2!(5−2)!)

=5!2!×3!

= 10

4 0
3 years ago
Combine all like terms to simplify the expression.
Dvinal [7]

12x + 5 - 4x + 2x² =

= 2x² + 12x - 4x + 5 = <u>2x²</u><u> </u><u>+</u><u> </u><u>8x</u><u> </u><u>+</u><u> </u><u>5</u>

8 0
2 years ago
Darryl earns $10 per hour tutoring students after school. If Darryl tutored for 25 hours this month, how much money did he earn
murzikaleks [220]
He made $250 bc ten times twenty five is 250
3 0
3 years ago
Read 2 more answers
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