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3 years ago

Correct answers only please!

Mathematics

1 answer:

lbvjy [14]3 years ago

6 0

Answer:

$60

Step-by-step explanation:

Using the given formula :

I = P × R × t

I = 40 × 10/100 × 5

I = $20

His amount in 20 years = $40 + $20 = $60

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4 years ago

What measure is represented by 17 feet in the figure below?

artcher [175]

Answer:

The diameter of the base.

Step-by-step explanation:

If the cylinder has a diameter of 17 feet, then the diameter of said cylinder's base will be 17 feet.

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4 years ago

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Solve for n 36=13n-4n

Lana71 [14]

Answer:

n = 4

Step-by-step explanation:

36 = 13n - 4n

<=> 36 = (13-4).n

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<=> n = 36 / 9

<=> n = 4

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4 years ago

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a plane averaged 400 mph on a trip going east, but only 280 mph on the return trip. The total flying time in both directions was

Liula [17]

Answer:

1400 miles

Step-by-step explanation:

Speed is the time rate of change of distance. It is the ratio of distance to time and is given by the equation:

$Speed(S) = \frac{distance(d)}{time(t)}\\ S=\frac{d}{t}$

plane averaged 400 mph on a trip going east, but only 280 mph on the return trip.

The time spent (t₁) in going east is given by:

$S=\frac{d}{t_1}\\ t_1=\frac{d}{S} =\frac{d}{400mph}$

The time spent (t₂) in going east is given by:

$S=\frac{d}{t_2}\\ t_2=\frac{d}{S} =\frac{d}{280mph}$

The total time (t) = t₁ + t₂

t = t₁ + t₂ = 8.5 hours

$\frac{d}{400}+\frac{d}{280} =8.5\\280d+400d=952000\\680d=952000\\d=1400miles\\$

Therefore the one way distance is 1400 miles

7 0

3 years ago

Solve the following proportion n/6=15/3

Natalka [10]

We can simplify 15/3 to 5.

N/6 = 5. Then multiply both sides of the equation by 6, giving us N = 30.

5 0

3 years ago