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snow_tiger [21]
2 years ago
15

A bus travels 270 miles in 4.5 hours. What is the speed of the bus in miles per hour?

Mathematics
1 answer:
harkovskaia [24]2 years ago
3 0

Answer:

60 miles per hour

Step-by-step explanation:

270 divided by 4.5 is 60 therefore, you get 6o miles per hour

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A team of cancer research specialists received a grant of $500,000 to be used for cancer research. They deposited some of the mo
Llana [10]

Answer:

  • $450,000 at 10%
  • $50,000 at 9%

Step-by-step explanation:

Let x represent the amount invested at 10%. Then the total interest earned per year is ...

  0.10x + 0.09(500,000-x) = 49,500

  0.01x = 49500 -45000

  x = 4500/0.01 = 450,000

$450,000 was deposited in the 10% account; $50,000 was deposited in the 9% account.

5 0
3 years ago
Amanda has a board that is 7 feet long. how many 1/4 foot sections can she cut from this board
Schach [20]

Answer:

28

Step-by-step explanation: You need to divide 7 by 1/4. Whenever you divide fractions you keep the first number as it is, change the sign to multiplication and write the reciprocal of the second fraction which is you have to flip the fraction. It is going to be 7 times 4/1. Which is 28/1 which is 28.

8 0
3 years ago
Jimmy notices 7oranges weigh the same as 5 apples. If Jimmy has 28 oranges, how many apples would Jimmy need to equal the weight
pychu [463]

Answer:

20

Step-by-step explanation:

7 times 4 equals 28 and 5 times 4 equals 20 so the answer is 20

6 0
3 years ago
Let u = &lt;-9, 4&gt;, v = &lt;8, -5&gt;. Find u - v. <br> URGENT
Pie

To subtract vectors, you simply have to subtract correspondent coordinates.

So, if you have

u = \langle u_1,\ u_2,\ldots u_n\rangle ,\quad v = \langle v_1,\ v_2,\ldots v_n\rangle

the subtraction is simply

u-v = \langle u_1-v_1,\ u_2-v_2,\ldots u_n-v_n\rangle

So, in your case, we have

\langle-9,4\rangle-\langle 8,-5\rangle=\langle -9-8, 4+5\rangle=\langle -17,9\rangle

3 0
3 years ago
The compound interest on a certain sum of money for 2 years is $208 and the simple interest for the same time at the same rate i
dlinn [17]
The answer is 208+200=408
7 0
2 years ago
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