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3 years ago

8

Does anyone know the answer to this ?

2 answers:

Minchanka [31]3 years ago

4 0

Answer:

the answer is 2.5 mph

Step-by-step explanation:

speed= distance/time

speed=15/6

15 divided by 6 = 2.5

Akimi4 [234]3 years ago

3 0

Answer:

2.5mph

Step-by-step explanation:

S = Distance divided by Time (S = D/T)

Therefore.

S = 15/6

=2.5 mph

Colin walked an average speed of 2.5mph

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Work algebraically and you must show equation used and the work used to get your answers.

postnew [5]

Well, it is $\frac{-2}{25}$ . That is, the equation is $y=\frac{-2}{25}x+30$ . The run could be found when y=0, so $\frac{-2}{25}+30=0$ or $30=\frac{2}{25}x$ or $750=2x$ or $x=375$ . 375 inches. 30 feet means 360 inches, as far as I remember (in my country only metric systems are being used :) ) so it doesn't really work -- the ramp is just a bit too long.

4 0

4 years ago

Read 2 more answers

The variance of the scores on a skill evaluation test is 143,641 with a mean of 1517 points. If 343 tests are sampled, what is t

Vlad1618 [11]

Answer:

The probability that the mean of the sample would differ from the population mean by less than 36 points=0.9216

Step-by-step explanation:

We are given that

The variance of the scores on a skill evaluation test=143,641

Mean=1517 points

n=343

We have to find the probability that the mean of the sample would differ from the population mean by less than 36 points.

Standard deviation, $\sigma=\sqrt{143641}$

$P(|x-\mu|$

$=P(|Z|$

$=P(|Z|$

$=0.9216$

Hence, the probability that the mean of the sample would differ from the population mean by less than 36 points=0.9216

5 0

3 years ago

How do you write this in number form two hundred fifty-four thousand, three hundred fourteen

Karo-lina-s [1.5K]

Answer:

254,314

You’re welcome(:

3 0

3 years ago

When x=5 what would the value of expression

Nikolay [14]

Answer:

46

Step-by-step explanation:

6 more than the product of 8 and a number x

6 more means 6+

product of 8 and a number x means 8x

6+8x

when x=5

6+8(5)=6+40=46

6 0

3 years ago

The triangles below are similar. Which similarity statements describe the relationship between the two triangles? Check all that

Gekata [30.6K]

<u>Complete Question</u>

In triangle ABC: AC=10 , AB=5., Angle C = 30 degrees.

In Triangle DEF: ED= 7.5 , DF=15, Angle F =30 degrees , Angle E = 90 degrees.

Answer:

A, D and E

Step-by-step explanation:

The diagram is drawn and attached below.

Triangle ABC is similar to Triangle DEF. (Option E)

Writing it backwards:

Triangle CBA is similar to Triangle FED. (Option A)

Also,

Triangle BAC is similar to EDF. (Option D).

Therefore, A, D and E are the similarity statements that describe the relationship between the two triangles.

5 0

4 years ago