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3 years ago

Write each expression in exponential form 2 x 2 x 2 x 2 =

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

4 0

Answer:

2^4

Step-by-step explanation:

there are four 2's being multiplied to each other.

You can combine them and say 2 x 2 x 2 x 2 = 2 ^4

kotykmax [81]3 years ago

4 0

Step-by-step explanation: Exponential form contains a base and an exponent. The base is the number that is multiplied so in this case, 2 is the base. Next we write the exponent which is the number of times that the base is multiplied. Since 2 is multiplied 4 times, the exponent is 4.

So in exponential form, 2 x 2 x 2 x 2 can be written as $2^{4}$ .

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For a sample of eight bears, researchers measured the distances around the bears' chests and weighed the bears. Minitab was us

ExtremeBDS [4]

Answer:

There is a linear correlation between chest size and weight,0.8482

Step-by-step explanation:

Given that for a sample of eight bears, researchers measured the distances around the bears' chests and weighed the bears.

the value of the linear correlation coefficient is r = 0.921.

i.e. there is a strong positive correlation from the value of r.

$H_0: r=0\\H_1: r\neq 0$

(Two tailed test at 5% level for correlation coefficient)

Test statistic t = $\frac{r\sqrt{n-2 } }{\sqrt{1-r^2}} \\=5.791$

p value <0.00001

Since p is less than 0.05 we reject H0

a) There is a linear correlation between chest size andweight

b)-- R^2 = 0.8482 proportion of the variation in weight can be explainedby the linear relationship between weight and chest size

3 0

3 years ago

Which circle has a center angle that measures 40 degrees

svlad2 [7]

Answer: B

Step-by-step explanation:

A center angle is an angle that has rays that originate from the center.

8 0

3 years ago

Find m<14 if m<13=115º.

salantis [7]

Answer:

115

Step-by-step explanation:

Since line v and line u are parallel:

m<14 and m<13 must be alternate exterior angles and alternate exterior angles has equal measure so the answer is:

m<13 = m<14 = 115.

8 0

3 years ago

Plsssssssssssssss help

Zepler [3.9K]

Answer:

Step-by-step explanation:

4 0

2 years ago

Jada had some dimes and quarters that had a total value of $12.50

zubka84 [21]

Answer:

1.She has 115 dimes because 0.10*115=11.5 0.25*4=1.00 11.5+1.00=12.5

2.She has 100 dimes because 0.10*100=10.00 and 0.25*10= 2.5 10+2.5=12.5

3.I think they don’t function because quarters are worth more than a dime.

4.he has 40 quarters because 0.25*40=10.00 0.10*25=2.5 10.00+2.5=12.5.

5.She has 38quarters because 0.25*38=9.5 0.10*30=3 9.5+3=12.5

6.Yes they can function because q=dx-12.5

The Questions:

Question 1 - 1 pts

If Jada has 4 quarters, how many dimes does she have?

Question 2 - 1 pts

If Jada has 10 quarters, how many dimes does she have?

Question 3 - 1 pts

Is the number of dimes a function of the number of quarters? If yes, write a rule (that starts with d =...) that you can use to determine the output, d, from a given input, q. If no, explain why not.

Question 4 - 1 pts

If Jada has 25 dimes, how many quarters does she have?

Question 5 - 1 pts

If Jada has 30 dimes, how many quarters does she have?

Question 6 - 1 pts

Is the number of quarters a function of the number of dimes? If yes, write a rule (that starts with q =...) that you can use to determine the output, q, from a given input, d. If no, explain why not.

7 0

2 years ago