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olganol [36]
2 years ago
14

Jake rode his roller skated 2 1/4 miles for 3/4 of an hour. Find his skating speed in miles/hour

Mathematics
1 answer:
alisha [4.7K]2 years ago
6 0

Answer:

3 mph

Step-by-step explanation:

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Find the perimeter of the figure to the nearest hundredth.
Kryger [21]

Hello!

Your answer should be 26.85.

We can use the formula of pi d or 2 pi r for the circumference.

You would get 5 pi.

But since its not a full circle you would divide it in half and get 2.5 pi.

2.5 pi is equal to 7.85.

Now we can use the equation 7.85 + 7 + 7 + 5

That would equal our answer... 26.85!

Hope this helps!

3 0
3 years ago
What is the sum of the first five odd numbers
katen-ka-za [31]

Answer:

25

Step-by-step explanation

1+3+5+7+9

3 0
3 years ago
Read 2 more answers
Evaluate 10C4. Type a numerical answer in the space provided. Do not type spaces in your answer.
SOVA2 [1]
10C4 represent the Combinations of 10 objects taken 4 at a time. 

The formula for nCr is:

nCr= \frac{n!}{r!(n-r)!}

In the given case, n=10 and r=4. Using these values we get:

10C4= \frac{10!}{4!(10-4)!} \\  \\ 
= \frac{10!}{4!*6!} \\  \\ 
=210

This means we can make 210 combinations of 10 objects taken 4 at a time.
4 0
3 years ago
What is the Lcm of 2 and 7
wel

Answer:

14

Step-by-step explanation:

The least common multiple is a number that both numbers can multiply something to get to, and the smallest possible common one.

Let's try listing out the multiples of 2:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20

And the multiples of 7:

7, 14, 21, 28, 35, 42, 49, 56, 63, 70

Notice that both have the number 14 in common, and it is the first number that they do so.  There are lots of other multiples that they have in common too, but 14 is the least.

5 0
3 years ago
Which system of equations can you use to find the roots of the equation?<br> x3 – 10x = x2 – 6
vivado [14]

\bf \stackrel{y}{x^3-10x}=\stackrel{y}{x^2-6}\implies  \begin{cases} y=x^3-10x\\ y=x^2-6 \end{cases}

3 0
3 years ago
Read 2 more answers
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