3 years ago

PLEASE HELP!!!! WILL GIVE BRAINLIEST FOR CORRECT ANSWER AND EXPLANATION

Mathematics

1 answer:

Volgvan3 years ago

5 0

27 as you align the numbers from smallest to greatest, 27 is in the center

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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

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2 years ago

How much is 4 fifths ×2 8th

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4/5 x 2/8 = 0.2 or 8/40 = 4/20 = 2/10 = 1/5

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3 years ago

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Santiago is looking over his credit card statements from the past couple of months. The

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Step-by-step explanation:

40 percent more than is 133

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Springwater Hat Company is having a sale. They are offering a discount of 20% on any hat. Jon wants to buy a hat that is regular

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$19.60 is the answer!

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2 years ago

2x+20 3x-15 solve for x=?

V125BC [204]

Answer:

X = 35

Step-by-step explanation:

Since the line is crossing two parallel lines the measurements are equal then you solve for X.

2X + 20 = 3X - 15

-2X -2X

20 = X - 15

+15 +15

35 = X

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