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Ann [662]
3 years ago
7

The jones family drove 336 miles to their vacation destination. Mr. Jones drove for 2 hours, Mrs. Jones drove for 1.4 hours, and

Marcus drove the remaining 1.25 hours. To the nearest tenth, what was the average rate of speed in miles per hour for the Jones’ family trip?
Mathematics
1 answer:
miv72 [106K]3 years ago
8 0

Answer:

72.3 mph

Step-by-step explanation:

2 + 1.4 + 1.25 = 4.65

336/4.65 = 72.3

you add up the time the trip took and then divide the number of miles by the time because it is miles per hour

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What is the perimeter of the figure
jonny [76]
The perimeter of the shape is 30 add all the sides
3 0
3 years ago
Bill is 2 years older than his brother Will. If the product of their ages is one less than five times the sum of their ages, how
Advocard [28]

Answer:

Will's age = 9 years

Bill's age = 11years

Step-by-step explanation:

Let will age = x

Bill = x +2 since he is 2 years older

x(x+2) = 5( x +x+2) - 1

Opening brackets

x² + 2x = 5(2x + 2) - 1

x² + 2x = 10x + 10 - 1

x² + 2x = 10x + 9

Collect like terms

x² + 2x - 10x - 9 = 0

x² - 8x - 9 = 0

Solve quadratically using factorisation method by finding two factors of +9 that can add up to give -8, the coefficient of x.

The factors are -9 and +1

x² + x - 9x - 9 = 0

x(x + 1) -9( x +1)

x+1) (x -9) =0

x + 1 = 0 or x -9 =0

x = -1 or 9

Age can not be negative

Therefore,

Will's age = 9 years

Bill's age = x+2 = 9+2 = 11years

I hope this was helpful, please rate as brainliest

6 0
3 years ago
Question 12 (2 points)
Leviafan [203]
Solving is :
X=2
Y=1

Step by step
(2x-3) + 5 = 3x
2x+2=3x
X=2

Substitute x by 2
Y=1
5 0
2 years ago
Determine the value of x if the mode is 18
chubhunter [2.5K]
Nobody can solve this without any further information?
8 0
2 years ago
A box of 6 eggs costs £1.80. Work out how much a<br> box of 10 eggs would cost.
telo118 [61]

Answer:

18

Step-by-step explanation:

1.80 x 10 = 18.0

:)

5 0
3 years ago
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