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Andrew [12]
3 years ago
5

Please help me with this, there’s a picture of the question

Mathematics
2 answers:
kari74 [83]3 years ago
7 0

Answer:

7.5

Step-by-step explanation:

Dmitrij [34]3 years ago
6 0

Answer:he answer will be 7.5

Step-by-step explanation:

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14. The cost of 10 dozen of caps is Rs.800. How many caps can bebought for Rs.200.​
kvasek [131]

Answer:

123 456lcm divison method

6 0
2 years ago
Please Please help me
Inessa [10]

Answer:

1. 30

Step-by-step explanation:

First, place the numbers from least to greatest.

11,13,23,37,45,58

Then, find the middle number (or two middle numbers).

In this case, the middle numbers are 23 and 37.

Third, we find the mean of these numbers.

23+37=60

60/2=30

So your answer is 30.

Repeat this method for the other problems.

4 0
2 years ago
An adult human heart pumps about 600 gallons of blood per hour.
Ad libitum [116K]
The answer to b is 24×600=14400
24=hours in a day
600=blooded pumped per hour
14400=the amount the blood is pumped a day
4 0
3 years ago
If f(x)=x^2+2x-10, what is f(-2)?<br><br>-10<br>-16<br>-18<br>-2
adell [148]
F(x)=x^2+2x-10
f(-2)=4-4-10
f(-2)=-10

the answer is A) or -10
8 0
3 years ago
Read 2 more answers
Liana's class was going on a very exciting school trip, but when Liana got to school, the school bus had already left! Frantic,
Llana [10]

Answer:

  • <u>They can catch up with the bus at 10:40 am.</u>

Explanation:

1. Set the time when Liana and her mother can leave (8:40 am) as t₀ = 0; thus the time of driving for them will be t.

2. The average speed at whic Liana's mother drive: 60 miles/hour

3. Thus, the distance they will have driven will be:

  • distance = average speed × time = 60t

4. The time the bus left was 8:00 am, which is 40 minutes before Liana and her mom can leave.

Thus, the time wil have driven when Liana and her mom have driven t hours  minutes will be: t + 40 min / 60 min/ hour = t + 2/3

5. The average speed of teh bus is 45 miles / hour

6. The distance the bus will have driven will be:

  • distance = average speed × time = 45(t + 2/3)

7. When Liana and her mother catch up with the bus, the distances driven by both of them are equal:

  • 60t = 45(t + 2/3)
  • 60t = 45t + 30
  • 60t - 45t = 30
  • 15t = 30
  • t = 30/15 = 2

Thus, Liana and her mom can catch up with the bus after 2 hours, since 8:40 am; this is, 10:40 am.

5 0
3 years ago
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