3 years ago

What are rates and unit rates?

1 answer:

4 0

Answer:

A unit rate is a rate where the second quantity is one unit , such as $34 per pound, 25 miles per hour, 15 Indian Rupees per Brazilian Real, etc.

Step-by-step explanation:

how do you not know what are unit rates

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Find the circumference and area of a circle with a diameter of 22 inches.

Katyanochek1 [597]

Answer:

$Circumference=22\pi\;inches \\\\Area =121\pi \;inches^2$

Step-by-step explanation:

Diameter of the circle= $22\;inches$

$Radius=\dfrac{22}{2} =11\;inches$

Circumference of a circle:

$=2\times \pi \times r$

$=2\times \pi \times 11\\\\=22\pi \;inches$

Area of the circle:

$=\pi \times r^2$

$=\pi \times 11\times 11\\\\=121\times \pi \\\\=121\pi \;inches^2$

8 0

3 years ago

Ajoba and Prav drive to work. Ajoba drives 45 miles in 2.5 hours. Prav drives 74 km in 1 hour 15 minutes. Work out the differenc

amm1812

Answer:

Ajoba: 28.8km/h

Prav: 59.2km/h

The difference in speed is: 59.2-28.8=30.4km/h

Step-by-step explanation:

Ajoba:

d=45mi Convert to km // $45mi(\frac{1.6km}{1mi} )=72km$

t=2.5h

v=? 28.8km/h

Prav:

d=74km

t=1h15m or 1.25h

v=? 59.2km/h

$Formula: d=v*t$

Solve for v;

$v=\frac{d}{t}$

$v=\frac{72km}{2.5h} \\v=28.8km/h$

--------------------------------------------

$v=\frac{d}{t}$

$v=\frac{74km}{1.25h} \\v=59.2km/h$

4 0

3 years ago

What is the value of the function when x = 6?<br><br> y = 4x + 5

polet [3.4K]

So this is how I would do it

4(6)+5

20+5

But I could be wrong.

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3 years ago

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Rufina [12.5K]

The answer for this problem is b bc it -1/

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3 years ago

What is the quotient 1/8•5/6

igomit [66]

3/20 is the answer! Hope I helped!!

6 0

3 years ago

Read 2 more answers