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Yuri [45]
3 years ago
6

2 o'clock starts turning on at the same time clock chimes every 15 minutes the other clock chimes every 25 minutes and how many

minutes will they chime together
Mathematics
1 answer:
BabaBlast [244]3 years ago
5 0

Answer:

The two clock will chime together in 75 minutes

Step-by-step explanation:

- The two clock will chime together in the multiples of 15 and 25

- Lets find the first common multiple of 15 and 25

∵ 15 = 5 × 3

∴ The prime factors of 15 are 3 and 5

∵ 25 = 5 × 5

∴ The prime factor of 25 is 5

∴ The lowest common multiple of 15 and 25 = 5 × 3 × 5 = 75

∴ The two clocks will chime together every 75 minutes

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A car moving at a constant speed travels 88 feet in 2 seconds. Use a proportion to find how many feet it travels in one minute
Yuki888 [10]
88 feet in 2 seconds
how many feet in 1 minute?
1 minute is 60 seconds

so, we can write a proportion and solve
feet/ seconds = feet/seconds
88/2 = x / 60
cross multiply
(88 * 60 ) = 2 * x
5280 = 2x
divide both sides by 2
2640 = x

To check:
88/2 =?= 2640 / 60
44 = 44

So the car travels 2640 feet in 60 seconds, or 1 minute.

(btw just in case you wanted to know also, 2640 feet is equal to 0.5 of a mile, that car travels 0.5 miles in 1 minute)

Hope this helps
3 0
3 years ago
Ms. johnson owns a spice shop. she combines 5 pounds of dried rose hips and 1 pound of five-spice powder to make a new seasoning
Burka [1]

Given the 6 pound weight of the new seasoning having ingredients that cost $8, and $11, the amount she should charge for 1 ounce is $0.53125

<h3>Which method can be used to calculate the price of the new seasoning?</h3>

The ingredients in the new seasoning are;

5 pounds of dried rose hips + 1 pounds of five-spice powder

Cost of the ingredients are;

1 pound of dried rose hips = $8

1 pound of five-spice powder = $11

The cost of combined spice, <em>C</em>, is therefore;

C = $8 × 5 + $11 × 1 = $51

The weight of the new combined seasoning = (5 + 1) pounds = 6 pounds

Cost of 1 pound of the new seasoning is therefore;

1 \: lb =  \frac{51}{6}  = 8.5

  • 1 lb of the new seasoning = $8.5

  • 1 lb = 16 ounces

Therefore;

1 \: ounce =  \frac{8.5}{16}  = \mathbf{0.53125}

  • The amount she should charge for 1 ounce is $0.53125

Learn more about unit conversion calculation here:

brainly.com/question/4845674

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7 0
2 years ago
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Find the length of the missing side of the right triangle 15 and 9 Round your answer to the nearest tenth, if necessary.
mamaluj [8]

Answer:

17.5

Step-by-step explanation:

a^2+b^2=c^2

15^2+9^2=306^2

square root of 306= 17.49

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3 years ago
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Nimfa-mama [501]

Answer:

2. 53

3. 37

4. 37

5. 53

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Step-by-step explanation:

3 0
3 years ago
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A 2 pound of barbecue sauce costs $27.20.What is the price per ounce
velikii [3]

Answer:

$13.60 per 1 pound of barbecue sauce

Step-by-step explanation:

27.20 ÷ 2 = 13.60

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3 years ago
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