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asambeis [7]
3 years ago
13

I need help with this asap

Mathematics
1 answer:
miss Akunina [59]3 years ago
4 0

If Samuel can type 40 words per minute, he can type 40m words in m minutes. So, the amount of minutes you're interested in is the solution of the equation

40m = 3.5 \times 10^5 \iff m = \dfrac{3.5 \times 10^5}{40} = \dfrac{3.5 \times 10^5}{4\cdot 10} = \dfrac{3.5}{4} \times 10^4 = 0.875\times 10^4 = 8750 minutes.

Since 8750/60 is 145 with reminder 50, Samuel can type the required amount of words in 145 hours and 50 minutes.

You might be interested in
3/8 + 1 3/8 please help
wolverine [178]
Since they have a common denominator you can add them together

1 3/8 + 3/8 = 1 6/8

Reduced, the answer is 1 3/4

I hope that helps!
5 0
3 years ago
Alex worked 45.75 hours this week at $7.86 per hour. what is his gross pay? $382.19 $359.60 $314.40 $391.82
Eva8 [605]

Assuming that no overtime was factored into his wages, Alex would have gotten a gross pay of $359.60. This was done by multiplying $7.86 x 45.75 hours.

Assuming that overtime was factored into his wages, Alex would have gotten a gross pay of $382.19. This was done by figuring out how much "time and a half" is for over time. "time" = 7.86; "and a half"= 7.86/2= 3.93

Time AND a half would equal 7.86 + 3.93= 11.79.

So, Alex would get an additional $11.79 for the hours OVER 40 hours which was 5 hours and 75 minutes..

11.79 x 5.75 = 67.79

Total hours for a 40 hour work week for Alex with 7.86 would equal a gross pay of 314.40. Plus 67.79. = 382.19


6 0
3 years ago
Read 2 more answers
A lifeguard is standing beside the lifeguard chair on a beach.The lifeguard is 76 inches tall and casts a shadow that is 48 inch
VLD [36.1K]

Answer:

x = 114 inches

Step-by-step explanation:

The ratio of height to shadow length will be identical

x/72 = 76/48

x = 76(72)/48 114 inches

5 0
3 years ago
Read 2 more answers
A projectile is fired from a cliff 200 above the water at an inclination of 45 degree to the horizontal, with a muzzle velocity
iVinArrow [24]
<h2>Horizontal distance when projectile strikes water surface is 170 .02 feet</h2>

Step-by-step explanation:

The height is given by

                    h(x)=-\frac{32}{50^2}x^2+x+200

We need to find when it strikes the water surface,

At water surface h = 0 feet

Substituting

                  h(x)=-\frac{32}{50^2}x^2+x+200=0

Solving this quadratic equation to get x.

                 -32x² + 2500x + 500000 = 0

                  32x² - 2500x - 500000 = 0

                  x = 170 .02 feet  or  x = -91.90 feet

Negative x is not possible

Horizontal distance when projectile strikes water surface = 170 .02 feet

3 0
3 years ago
Based on a sample survey, a principle claims that 77% of the students like math. Out of 1300 students how many would you predict
oksian1 [2.3K]

Answer:

1001

Step-by-step explanation:

3 0
3 years ago
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