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Nana76 [90]
3 years ago
13

If you're driving at a rate of 55 mph about how many feet per second are you traveling

Mathematics
1 answer:
Veronika [31]3 years ago
7 0
55 miles is 290400 feet so you are driving at 290400 feet per hour now there are 60 minutes In an hours so divide
290400/60=4840
4840 feet per minute
there are 60 seconds in a minute so divide again
4840/60=80.67
80.67feet per second rounded
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There are nine empty seats in a theater, and six customers need to find places to sit. How many different ways can these six sea
dybincka [34]

Answer: 60480

Step-by-step explanation:

Given : The number of empty seats in a theater = 9

The number of customers need to find places to sit =6

Since order matters here, so we use permutations

The permutations of n things taking r at a time is given by :-

^nP_r=\dfrac{n!}{(n-r)!}

Then, the number of ways to arrange 6 seat in 9 seats :-

^9P_6=\dfrac{9!}{(9-6)!}=\dfrac{9\times8\times7\times6\times5\times4\times3!}{3!}\\\\=60480

Hence, the number of ways to arrange 6 seat in 9 seats = 60480

3 0
3 years ago
Combine like terms <br> 4x+3(2x+5b)-4b-2x+6
Ahat [919]

Answer:

  • \boxed{\sf{8x+11b+6}}

Step-by-step explanation:

To solve this problem, you have to combine like terms of x and b from one side of the equation.

<h3>4x+3(2x+5b)-4b-2x+6</h3>

<u>Combine like terms.</u>

3(2x+5b)+4x-2x-4b+6

<u>Solve.</u>

4x-2x=2x

Rewrite the problem down.

3(2x+5b)+2x-4b+6

Expand the form.

Use a distributive property.

<u>Distributive property:</u>

A(B+C)=AB+AC

3(2x+5b)

<u>Multiply.</u>

3*2x=6x

3*5b=15b

<u>Rewrite the problem.</u>

6x+15b

6x+15b+2x-4b+6

<u>Combine like terms.</u>

6x+2x+15b-4b+6

<u>Add the numbers from left to right.</u>

6x+2x=8x

8x+15b-4b+6

<u>Then, you add again.</u>

15b-4b=11b

<u>= 8x+11b+6</u>

  • <u>Therefore, the final answer is 8x+11b+6.</u>

I hope this helps you! Let me know if my answer is wrong or not.

4 0
2 years ago
Read 2 more answers
I need to find y but I think I need to solve for x first?
Alexeev081 [22]
I'm confused, it shows y at a right angle = 90°
we can solve for x
(x-7) and (x-3) = x=7

5 0
3 years ago
Read 2 more answers
A woman paid $28 per a dress. She bought 6 dresses. How much money did the woman spend on dresses?
Tju [1.3M]

Answer:

$168

Step-by-step explanation:

28x6

= 168

4 0
2 years ago
Read 2 more answers
Solve for p.<br> i = prt<br><br> p = i-rt<br> p = (rt)/i<br> p = i/(rt)
andrezito [222]

Answer:

\sf p = \dfrac{i}{rt}

Step-by-step explanation:

Solve for p:

\longrightarrow i = prt

i = prt is equivalent to prt = i:

\longrightarrow prt = i

Divide both sides by rt:

\longrightarrow \sf \dfrac{prt}{rt} = \dfrac{i}{rt}

\sf \dfrac{prt}{rt} = p:

\longrightarrow \sf p = \dfrac{i}{rt}

6 0
2 years ago
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