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3 years ago

What is the unit rate of 35 miles in 5 minutes?

Mathematics

1 answer:

Paladinen [302]3 years ago

3 0

Answer:

7 miles per minute!

Step-by-step explanation:

To find the unit rate you need to have a denominator of one, and with the info you have your fraction looks like this--->35/5

How to solve: 35/5 = x/1

You get from 5 to 1 by dividing by 5, so to find x you have to divide 35 by 5, and you get 7!

So replace x with 7 and your answer will be 7 miles per minute!

I hope this helps, and have a great day!

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Victor has saved $89.25 for the bicycle that he wants. The bicycle costs $129.85. Victor

fenix001 [56]

Answer: No, the equation is not correct

Step-by-step explanation:

Victor has saved $89.25 for a bicycle that costs $129.85. To get the remaining amount that is needed to complete the bicycle, we subtract the amount saved by Victor from the total amount. This will be:

= $129.85 - $89.25

= $40.6

The amount remaining is $40.6

The equation written by Victor is

= $89.25 + $129.85

= $219.1

The equation written by Victor is not correct. The correct equation is:

= $129.85 - $89.25 = $40.6

4 0

4 years ago

Please help me, im about to cry cause im so confused. Please explain this to me

eduard

$\bold{2.5y=5x-5 }$

$\bold{y=\dfrac{5x-5}{2.5} }$

$\bold{y=\dfrac{2.5(2x-2)}{2.5} }$

$\bold{y=\dfrac{\cancel{2.5}(2x-2)}{\cancel{2.5}} }$

$\bold{ y=2x-2 }$

6 0

3 years ago

Please help!!<br><br>(y+5)^3

Lera25 [3.4K]

the answer is 58 8.........

7 0

4 years ago

Read 2 more answers

Write the polynomial in factored form. x^2 - 3x^2 - 10x

kicyunya [14]

-2x(x+5)

Have a nice day bud
could you please mark me brainlest i would appreciate it <3

7 0

3 years ago

A.The Murray family has produced 8 children.

Vlad [161]

Answer:

A. 0.2734 = 27.34% probability that there are an equal number of boys and girls

B. 0.2753 = 27.53% probability that she’ll answer exactly 5 questions correctly

Step-by-step explanation:

In each of these questions, the binomial probability distribution is used.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

A.The Murray family has produced 8 children.

What is the probability that there are an equal number of boys and girls?

8 children means that $n = 8$

Each children is equally as likely to be a boy or a girl, which means that $p = 0.5$

This probability is P(X = 4). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 4) = C_{8,4}.(0.5)^{4}.(0.5)^{4} = 0.2734$

0.2734 = 27.34% probability that there are an equal number of boys and girls

B.Margie has the uncanny ability of being able to guess the correct answer to TRUE/FALSE questions with an 80% accuracy rate. Tomorrow’s test has 7 questions on it and she needs to answer 5 questions correctly in order to make the Honor Roll. If she guesses on every question, what is the probability that she’ll answer exactly 5 questions correctly?

80% accurracy rate means that $p = 0.8$

7 questions means that $n = 7$

The probability is P(X = 5). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 5) = C_{7,5}.(0.8)^{5}.(0.2)^{2} = 0.2753$

0.2753 = 27.53% probability that she’ll answer exactly 5 questions correctly

7 0

3 years ago