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4 years ago

Jane walks 6 miles in 2 hours. Find the unit rate.

Mathematics

2 answers:

Viefleur [7K]4 years ago

7 0

She walks 3 mph because when you divide it by 2 it will equal

3 miles in 1 hour

kicyunya [14]4 years ago

5 0

The answer would be 3 miles per hour since hour is the close'est to match the time it might take a while to convert to seconds

Just divide both sides by two until it reaches one hour which can be stated as MPH

You could also write it as 1.34112 meters per seconds that would tecnicly also be correct

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F(x) = x2 + 2x find f(-3)

spin [16.1K]

$\longrightarrow{\blue{f(-3)\:=\:3}}$

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}$

$f(x) = {x}^{2} + 2x$

For $f( - 3)$ , substitute " $-3$ " for each occurrence of " $x$ ".

$f( - 3) = ( { - 3})^{2} + 2( - 3)$

$= ( - 3 \times - 3) - 6$

$= 9 - 6$

$= 3$

$\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}$

7 0

3 years ago

Please help. i am screaming my brain out right now

Marina86 [1]

Answer:

Step-by-step explanation:

3x - 3 > 42

3x - 3 42

+3 + 3

3x > 45

3x / 3 45/3

x > 15

x can be 16

3 0

3 years ago

David is rowing a boat upstream. The river is flowing at a speed of 2 miles per hour. David starts rowing at a speed of 6 miles

m_a_m_a [10]

The answer is B- y=4-1.5x

David is rowing a boat upstream, so the river is slowing him down. Thus, the net speed is 6 mph - 2 mph = 4 mph.
Since David's speed decreases at a rate of 1.5 miles per hour, after x hours his speed y will be:
y = 4 - 1.5 x

5 0

3 years ago

Read 2 more answers

Which one doesn’t belong? Come up with one reason for at least 3 different boxes

iren2701 [21]

Answer:

I think box #1 doesnt't belong because it say spend $100 and get $10 off

Step-by-step explanation:

4 0

3 years ago

A thermometer shows a temperature of Negative 20 and three-fourths degrees. A chemist recorded this temperature in her notebook

Mariulka [41]

Answer: Negative 20.75

Step-by-step explanation:

The question simply wants us to convert the temperature shown by the thermometer to decimal. We should note that the temperature shown is Negative 20 and three-fourths degrees.

First, we convert 3/4 to decimal. This will be:

= 3/4 = 0.75.

Therefore, -20 3/4 = -20.75

3 0

3 years ago

Read 2 more answers