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Allisa [31]
2 years ago
6

If a track is 400 meters around, how many laps around the track would it take to run 3.1 miles? Round to the nearest tenth. (Hin

t: 1 foot = 0.3048 meter) WRITE THE DIMENSIONAL ANALYSIS!!!!!!!!!!!!
Mathematics
1 answer:
zaharov [31]2 years ago
4 0

Answer:

3200 meters

Step-by-step explanation:

because it is

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George places 35 books on 7 shelves each shelf holds the same number of books which equations can be used to find how many books
tino4ka555 [31]
35 divided by 7=5 so there's 5 books on each shelf
5 0
3 years ago
Select True or False for each statement.
SSSSS [86.1K]

\left( \dfrac 1 {64} \right)^{- 5/6} =64^{5/6} = (\sqrt[6]{64})^5 = 2^5 =32

TRUE

\sqrt[5]{36^4}=36^{4/5}

which surely isn't 36.  FALSE

\sqrt{12} - \dfrac 2 5 \sqrt{75} = 2 \sqrt{3} -\dfrac 2 5 (5) \sqrt{3} = 0

FALSE

For the fourth one we have a

\sqrt{98b} + \sqrt{2b}

which isnt

10\sqrt{b}

so this is FALSE.

\dfrac{1}{(\sqrt 5 - \sqrt 6)^2}

= \dfrac{1}{(\sqrt 5 - \sqrt 6)^2} \cdot \dfrac{(\sqrt 5 + \sqrt 6)^2}{(\sqrt 5 + \sqrt 6)^2}

= \dfrac{(\sqrt 5 + \sqrt 6)^2}{ ( (\sqrt 5 - \sqrt 6)(\sqrt 5 + \sqrt 6))^2}

= \dfrac{(\sqrt 5 + \sqrt 6)^2}{( 5-6)^2}

=(\sqrt 5 + \sqrt 6)^2

No fractions in that one so FALSE.

3 0
2 years ago
PLEASE HELP ME I CANT GET IT RIGHT
mario62 [17]

Answer:

I believe the answer is 760 ft²

Step-by-step explanation:

16×39/2=312

(17+39)(16)/2=448

448+312=760ft²

let me know if it was right. good luck!

8 0
2 years ago
Which of the following is a Type I​ error?
Sedaia [141]
Answer:

C. The president rejects the hypothesis that the proportion of students who earn a​ bachelor's degree within six years is 0.398​, ​when, in​ fact, the proportion is 0.398.

Step-by-step explanation:

A type I error occurs if you reject the null hypothesis when it is true.

Now the hypotheses are:

H_0: The proportion is 0.398

H_1: The proportion is less than 0.398

If in actual fact the proportion is 0.398, then the president must not reject the H_0.

This is a correct decision.

If in actual fact the proportion is 0.398, and the president rejects the H_0, then a type I error is committed.

The correct choice is C.
3 0
3 years ago
Combine like terms to create an equivalent expression. 1/7 - 3 (3/7n - 2/7)
Nookie1986 [14]

Answer:

-2 6/7 (3/7n - 2/7)

Step-by-step explanation:

5 0
3 years ago
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