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Fofino [41]
3 years ago
6

A car traveled at a constant speed for 4 hours and covered 144.6 miles. It used 12 gallons of gas to travel this distance. How f

ar did the car go in 1 hour? How far did the car travel on 1 gallon of gas? The car traveled miles in 1 hour. The car traveled miles on 1 gallon of gas. NextReset
Mathematics
1 answer:
ki77a [65]3 years ago
4 0
The car went 12.05 miles per gallon of gas and went 36.15 miles per hour.

(Just divide the total amount of miles by each value to get both of these answers.)


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Choose the correct simplification of the expression the quantity a to the 2nd power over b to the 3rd power all raised to the 4t
kifflom [539]
The answer will be a^8 over b^12.
7 0
3 years ago
A water tank contains 12 1/2 ltres of water. Two-fifth of it was (1 mark) consumed. How much of it was left?
SVEN [57.7K]

Answer:

7 1/2

Step-by-step explanation:

A water tank contains 12 1/2 liters

= 25/2

Two fifth of it was consumedd

= 25/2 ×2/5

= 50/10

= 5

12.5-5

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4 0
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Simplify: (1-sin^2 x)/(1+tan^2 x)
Sonja [21]

Answer:

cos^{4} x

Step-by-step explanation:

Using the trigonometric identities

1 + tan²x = sec²x and 1 - sin²x = cos²x

secx = \frac{1}{cosx}

Given

\frac{1-sin^2x}{1+tan^2x}

= \frac{cos^2x}{sec^2x}

= \frac{cos^2x}{\frac{1}{cos^2x} }

= cos²x × cos²x

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4 0
3 years ago
The numbers of beads on 500 handcrafted bead necklaces follow a normal distribution whose mean is 24 beads and standard deviatio
lianna [129]

Answer:

About 80 necklaces have more than 28 beads.

Step-by-step explanation:

5 0
3 years ago
Berto has $12 to put gas in his car. If gas costs $3.75 per gallon,which ordered pair raw laying number of gallons of gas, x,to
muminat

Answer:

Amount of gas = 3.2 gallons

Required coordinate pair is (3.2, 12)

Step-by-step explanation:

Let x be the number of gallon of gas.

Given:

Berto has ⇒ y = $12

Gas cost per gallon ⇒ $3.75

Solution:

Using below formula.

Number of gallon of gas = \frac{Total\ cost}{Gas\ cost\ per\ gallon}

Now, we substitute total cost and gas cost per gallon.

x=\frac{12}{3.75}

x=3.2\ gallon\ of\ gas

Therefore, Berto can buy 3.2 gallon of gas and required coordinate pair is (3.2, 12).

8 0
3 years ago
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