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rewona [7]
3 years ago
10

Tony drove for 2 hours at a constant rate of 65 mph. It started to rain, so he slowed his rate to a constant 50 mph for 3 hours.

When the rain stopped, Tony finished the trip driving at a constant rate of 60 mph for the final hour. How far did Tony travel? A. 175 mi. B. 240 mi. C. 275 mi. D. 340 mi.
Mathematics
2 answers:
HACTEHA [7]3 years ago
8 0

Answer:

B. 240mi.

Step-by-step explanation:

cupoosta [38]3 years ago
7 0

Answer:

D. 340

Step-by-step explanation:

Proof: I put all the constants together to equal <u><em>340.</em></u>

<u><em /></u>

(not much proof but believe me)

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This morning Gwen found that the snow on the sidewalk was 5 and 3/8 inches deep. At lunch the snow was 2 and 7/8 inches deep at
Nutka1998 [239]

Answer:

2.75

step-by-step explanation:

5 and 3/8 inches = 5 + 3/8 =  5 + 0.625 = 5.625

2 and 7/8 inches =  2 + 7/8 = 2 + 0.875 = 2.875

the inches that snow melted: 5.625 - 2.875 = 2.750

5 0
3 years ago
20 onions cost £3.00. 25 potatoes cost £6.25. Mr Dean needs 14 onions and 16 potatoes. Calculate the total cost.
enot [183]

Answer:

The total cost of 14 onions and 16 potatoes will be £6.10

Step-by-step explanation:

Let onion be n and potato by p

20n = £3.00

1n = £3.00/20

= £0.15

25p = £6.25

1p = £6.25/25

= £0.25

The cost of 1 onion is £0.15, and 1 potato is £0.25

Then the cost of 14 onion and 16 potatoes together will given as

14n + 16p

substituting the values of n and p, we will have

14*0.15 + 16*0.25

2.1 + 4

= £6.10

5 0
3 years ago
In what order should a boolean retrieval system merge the related postings for best query efficiency?
Nonamiya [84]

Answer:

For each n get its posting then AND them

Step-by-step explanation:

1. Lets presume we have multiple n terms

2. We get the posting from each n term

3. We use the function AND and apply it to each n term

4. We start with the tiniest set and we continue from there

5. We have a pair of n terms

6. We get the posting from 1st n

7. We get the posting from 2nd n

8. We apply n1 AND n2

4 0
3 years ago
Last question please help((: #10
GrogVix [38]
We would use the sine function because we have an angle the hypotenuse, and the unknown opposite side.

sin(x)=opposite/hypotenuse
sin(60)=x/30
√3/2=x/30 (cross multiply)
30*√3/2=x (divide numerators and denominators by 2)
x=15√3 ft. 
So the correct answer is A

Hope this helps
6 0
3 years ago
Read 2 more answers
Which angles appear to be congruent?<br> A 1 and 2<br> B 1 and 5<br> C 2 and 4<br> D 4 and 5
pentagon [3]

Answer:

B

Step-by-step explanation:

Those are the only ones that look similar. Hope it helps! :)

7 0
2 years ago
Read 2 more answers
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