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JulsSmile [24]
4 years ago
12

Hi help pls im dumb loll

Mathematics
2 answers:
bonufazy [111]4 years ago
8 0

Convert 50 kilometers to meters using the given conversions:

50 kilometers x 1000 meters/ km = 50,000 meters

The speed limit is 50,000 meters per hour.

1 hour = 3600 seconds.

Divide total meters per hour by 3600 seconds to get meters per second:

50,000 / 3600 = 13.89

The speed limit converts to 13.89 meters per second.

He is traveling 13.5 meters per second, which is less than 13.89 so he is traveling below the speed limit.

xenn [34]4 years ago
4 0
The answer is 13.5*3600=48600/1000cause you already have your meters per second. 13.5m/a and there are 3600 seconds in an hour then you divide that by the meters 1000 and you get **48.6**
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Ratio of girls to boys is 2:3. How many boys if there are 56 girls?
alexira [117]

Answer:

78 boys

Step-by-step explanation:

If the ratio is 2:3 that means there are 5 equal parts

56/2= 28

3 x 28 = 78

Therefore there are 78 Boys

56:78

[RevyBreeze]

7 0
3 years ago
after 5 months, the number of subscribers to a newspaper was 5,730. After 7 months, the number of subscribers to the newspper wa
LenKa [72]

Number of subscribers grow by 6022 - 5730 = 292 in two months

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y = 5,730 + 146x

7 0
3 years ago
Pls help need this done hurry
ELEN [110]

Answer:

Shade 23 boxes

Step-by-step explanation:

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3 0
3 years ago
Which expression is equivalent to 6(2m – 1) – 4(m + 8)?
Tju [1.3M]

6(2m - 1) - 4(m + 8)

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7 0
3 years ago
A sinusoidal function whose period is 1/2, maximum value is 10, and minimum value is -4, has a y-intercept of 3. What is the equ
nikdorinn [45]
Period of sin wave = 1/2
Period of parent sine function is 2π.

This means the x value of sine function (sin(x)) has to be divided by 4π to get a period of 1/2 because 2π/4π = 1/2

Thus, our function will be of the form: sin( \frac{x}{4 \pi })

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Amplitude of the function = (Maximum Value - Minimum Value)/2
So, amplitude of the function is 7 

Thus, the function will be of the form:

7sin( \frac{x}{4 \pi } )

The function has a y-intercept other than zero, this means the function will be of the form:

y=7sin( \frac{x}{4 \pi } )+k

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3=7sin(0)+k \\  \\ &#10;3=k

Thus the equation of the sinusoidal function becomes:

y=7sin( \frac{x}{4 \pi } )+3

6 0
4 years ago
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