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4 years ago

A car is driven for 2 hours at 50 mph and gets 25 miles per gallon: how many miles are driven and how much gas is used?

Mathematics

1 answer:

emmasim [6.3K]4 years ago

4 0

Answer: 100 miles, 4 gallons used

Step-by-step explanation:

Dist = rate * time = 50 mi/hr * 2 hr = 100 mi

Miles = gallons * miles/gallon. 100 = gallons*25mpg. Gallons = 100/25 = 4

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Let f(x)=3x+5 and g(x)=x^2.

Nady [450]

Answer: x² + 3x + 5

<u>Step-by-step explanation:</u>

f(x) = 3x + 5 g(x) = x²

(f + g)(x) = f(x) + g(x)

= 3x + 5 + x²

= x² + 3x + 5

3 0

3 years ago

What is the volume of silver metal which weighs 820.0g.the density of silver is 10.5g/cm3.

Anestetic [448]

Volume of Silver = $\frac{MASS}{DENSITY}$

= $\frac{820.0 g}{10.5 g / cm ^{3} }$

= 78.095 cm³

≈ 78.10 cm³

4 0

4 years ago

The school record for points scored in a basketball season by one player is 462. Maria has 235 points so far this season. How ma

sammy [17]

Answer:

228 (Or higher)

Step-by-step explanation:

You do 462-235 which is 227, all she needs 1 or more points to beat the record.

6 0

3 years ago

Write an equation in point slope form of the line passes through the point (9,0) and has a slope of m=-3

Brut [27]

Answer:

$\huge y = - 3(x - 9)$

Step-by-step explanation:

To find an equation of a line in point slope form when given the slope and a point we use the formula

$y - y_1 = m(x - x_1)$

From the question we have the final answer as

$y - 0 = - 3(x - 9) \\ \\ \\ y = - 3(x - 9)$

Hope this helps you

7 0

3 years ago

Emmet went blueberry picking along a 3-mile walking path. He picked blueberries steadily along the walk. When he was finished, h

ehidna [41]

Answer:

16 2/3 ounces

Step-by-step explanation:

Emmet collected 50 ounces of strawberries along a 3 mile walk, he collected 50/3 = 16 2/3 ounces of strawberries each mile

5 0

3 years ago