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Fantom [35]
4 years ago
14

While driving on the highway, Mason put his

Mathematics
1 answer:
denis23 [38]4 years ago
4 0

Answer:

1.25 hours

Step-by-step explanation:

time * speed=distance

time =distance/speed=85/68=1.25 hours

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What two numbers multiply 45 and add to 14
Alekssandra [29.7K]


Ok to start this problem you must list two numbers that add to 14

7 and 7

9 and 5

10 and 4

6 and 8

those are the numbers that we will use for now..

Now multiply each pair of numbers and see which one equals 45

7 * 7 = 49, no

9 * 5 = 45, YES

10 * 4 = 40, No

6 * 8 = 48, No


The numbers discovered are 9 and 5

5 0
4 years ago
The sum of twice a number and four times the number is 54. Find the number.
miv72 [106K]
Twice a number can be written as 2n.

Four times the number can be written as 4n.

If the sum of 2n and 4n equals 54, then:

6n = 54

Divide both sides by 6 to solve for n:

n = 9
5 0
3 years ago
Read 2 more answers
What is the factorization of this polynomial? 9x^2-0x-4
Harman [31]
9x²-0x-4
=9x²-4
=(3x-2)(3x+2) is the factor form of 9x²-0x-4
Solve for x:
3x-2=0
Add 2 to each side
3x-2+2=0+2
3x=2
Divided 3 to each side
3x/3=2/3
x=2/3
Or
3x+2=0
Subtract 2 to each side
3x+2-2=0-2
3x=-2
Divided 3 to each side
3x/3=-2/3
x=-2/3. Hope it help!
5 0
3 years ago
The mean of 5 numbers is ten I add one now the mean is 11 which number did I add?
Leno4ka [110]

Answer:

you added 6

Step-by-step explanation:

how the number order goes.

3 0
3 years ago
A church group set off from their church at 10:00AM for the forest. The group noted that
Anna71 [15]

Answer:

11l:50

Step-by-step explanation:

110 min = 1 hour and 50 minutes

6 0
1 year ago
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