3 years ago

Edward can run 1/2 mile in 300 seconds. What is his unit of rate

Mathematics

1 answer:

sattari [20]3 years ago

5 0

Im not quite sure but i think the unit rate is 150. Hope this helps!!

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What is equivalent to 7(3x-2)+4(x+5)

Sladkaya [172]

Distribute 7 to 3x and -2, and 4 to x and 5

7(3x - 2) = 21x - 14

4(x + 5) = 4x + 20

Combine like terms

21x + 4x = 25x

-14 + 20 = 6

25x + 6 is your answer

hope this helps

3 0

3 years ago

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The odd- and even - number hotel rooms are on different sides of the hall. Room 231 is between witch two rooms

mario62 [17]

The first odd number before 231 which would be on the same side of the hall is 229. The first odd number after would be 233.
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8 0

3 years ago

7. A coin is tossed and a day of the week is selected. What is the probability that you get tails and a day that begins with "S"

Mrrafil [7]

Answer:

1/7

Step-by-step explanation:

Lets start with the probability of flipping tails, 1/2.

Then the probability of the day starting with the letter s, 2/7.

Calculate the final probability by multiplying the two together.

$\frac{1}{2}*\frac{2}{7}=\frac{2}{14}$

You can simplify 2/14 down to 1/7

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1 year ago

Subtract these polynomials. (x2 + 5x + 2) – (5x2 – x – 2) =

UNO [17]

Answer: 4(x-x2)

Step-by-step explanation: please mark brailyest

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2 years ago

A retired math teacher takes his niece shopping. He tells his niece that they can spend x dollars and x minus 49.5 equals 15. Wh

kakasveta [241]

X - 49.5 = 15
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3 years ago