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Grace [21]
2 years ago
13

Three parrots A,B and Cwere parroting "hello" once every 3 minutes, 4 minutes and 5 minutes respectively. If three of the starts

parroting at 7.00 a.m.,when will they parrots together again
​
Mathematics
1 answer:
Artist 52 [7]2 years ago
5 0
The answer is 8:00 a.m. This is because the answer is simply the LCM of 3, 4, and 5 added to 7:00. The lcm of these numbers is 60, so 1 hr + 7:00 am is 8:00 a.m.
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Tina designed an electric skateboard that has a speed of 4 miles per hour. In one hour it travels 4 miles, and in 2 hours it tra
Feliz [49]

We have been given that Tina designed an electric skateboard that has a speed of 4 miles per hour. Further we are given that in one hour it travels 4 miles, and in 2 hours it travels 8 miles.

We know that speed of any object can be found at any time, irrespective of it being a complete hour or a fractional hour. Therefore, speed of the electric skateboard is an example of continuous data.

The that in one hour it travels 4 miles, and in 2 hours it travels 8 miles have been given so that someone can easily confuse the speed of electric skateboard as a discrete data, but in actual speed of skateboard is a continuous data.

8 0
4 years ago
Triangles and rectangle
torisob [31]

Step-by-step explanation:

Area of triangle (A1)

= 1/2 * b *h

= 1/2 * 1 * 1

= 1/2 ft

Area of rectangle (A2)

= L * b

= 3 *1

= 3 ft

Total area

= A1 + A2

= 1/2 + 3

= (1 + 6 ) / 2

= 7/2 ft²

= 3.5 ft²

Hope it will help :)

7 0
3 years ago
Is the relationship shown by the data linear? If so, model the data with an equation.
Harrizon [31]
The <u>correct answer</u> is:

The relationship is linear, and the equation is 
y-5 = 2(x+7).

Explanation:

To determine if the relationship is linear, we find the slope between each pair of points.  Slope is given by the formula:

m=\frac{y_2-y_1}{x_2-x_1}

The slope between the <u>first two points</u> is given by:

m=\frac{9-5}{-5--7}=\frac{9-5}{-5+7}=\frac{4}{2}=2

The slope between the <u>second pair of points</u> is given by:

m=\frac{13-9}{-3--5}=\frac{13-9}{-3+5}=\frac{4}{2}=2

The slope between the <u>third pair of points</u> is given by:

m=\frac{17-13}{-1--3}=\frac{17-13}{-1+3}=\frac{4}{2}=2

Since the <u>slope is the same</u> throughout the data, the <u>relationship is linear</u> and the slope is 2.

To write the equation, we use point-slope form, which is:

y-y₁ = m(x-x₁)

Using the first point, we have:

y-5 = 2(x--7)
y-5 = 2(x+7)
8 0
3 years ago
Read 2 more answers
A person has a bag containing dimes and nickels. There are a total of 106 coins in the bag, and the total value of coins is $7.9
Simora [160]

Answer:

52 dimes and 54 nickels

Step-by-step explanation: 52 dimes is $5.20 and 54 nickels is $2.70

Total coins 106 total $7.90

8 0
4 years ago
Choose the function whose graph is given by:
Murljashka [212]

Answer:

The answer is D

Step-by-step explanation:

We should note that the function y = sin x = b/r has a maximum value of 1 at x = π/2, since at that point b is equal to r

7 0
3 years ago
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