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Tanya [424]
4 years ago
14

288 Miles on 12 gallons of fuel; 240 miles on 10 gallons of fuel, are they Equivalent?

Mathematics
1 answer:
sweet-ann [11.9K]4 years ago
8 0
288/12 = 24

240/10 = 24

Yes
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Cosx=4/5 what is sin2x cos2x and tan2x
earnstyle [38]

Answer:

-24/5

Step-by-step explanation:

The solution to the problem is as follows:

cscx < 0 means 1/sinx < 0, or sinx < 0.  

sinx = -3/5 because you're dealing with a 3-4-5 triangle, and we established

sinx is negative.  

sin2x = 2sinxcosx = 2*-3/5*4/5 = -24/25  

cos(2x) = cos^2(x) - sin^2(x) = 16/25 - 9/25 = 5/25 = 1/5  

tan2x = sin2x / cos2x = -24/5

4 0
3 years ago
What is the slope of a line whose equation is 2x-2y=20
lawyer [7]

Answer:

The slope is 1.

Step-by-step explanation:

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A muffin recipe calls for 2/5 tablespoons of vanilla extract to make 6 muffins. Arthur is making 18 muffins How much vanilla ext
AysviL [449]
Im gonna go and guess that 2/5 means two and a half (2.5 or 2,5 I always forget that :D)

Anyway:

2.5 tbsp = 6 muffins
3*2.5 tbsp = 3*6 muffins
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5 0
3 years ago
An astronaut drops a rock into a crater on the moon the distance d(t), in meters, the rock travels after T seconds can be modele
stepladder [879]
  speed = distance/time
The average speed will be the change in distance divided by the change in time.
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3 0
3 years ago
A car averages 27 miles per gallon. If gas costs $4.04 per gallon, which of the following is closest to how much the gas would c
worty [1.4K]

Answer:

Option D is correct.

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Step-by-step explanation:

Unit rate defined as the rates are expressed as a quantity 1 such as 3 miles per second or 4 kilometer per hour

As per the statement:

A car averages 27 miles per gallon.

⇒\text{Unit rate per gallon} = 27 miles

Total distance of car travel typical miles = 2727 miles.

\text{Number of gallons}=\frac{\text{Total distance}}{\text{Unit rate per gallon}}

Substitute the given values we have;

\text{Number of gallons} = \frac{2727}{27} = 101

It is also given that if gas costs $4.04 per gallon.

then;

In 1 gallon of gas = $4.04

then;

in 101 gallons of gas = 101 \cdot 4.04 = \$408.04

Therefore, $408.04 the gas would cost for this car to travel 2,727 typical miles

8 0
3 years ago
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