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VLD [36.1K]
3 years ago
13

URGENT PLEASE HELP Me WILL GIVE BRAIN f(x)=2^x (0,f(0)) and (4,f(4)) find the rate of change for this function

Mathematics
1 answer:
RSB [31]3 years ago
7 0

Answer:

あなたはあなたが答えを得るつもりだと思った

Step-by-step explanation:

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The length of a rectangle is twice its width. The perimeter is 30. Find its dimensions
bogdanovich [222]

Answer:

Step-by-step explanation:

The width of the rectangle = x

Therefore the length of the rectangle = 2x, as it is twice its width

We know that the perimeter of a rectangle = 2 × (length + width)

So since the perimeter equals to 30, then we can form the equation:

                                      2×(2x+x) = 30

                                          2×(3x) = 30

                                                6x = 30

                                                   x = 5

width of the rectangle = x = 5

length of the rectangle = 2x = 2×5 = 10

If there is an unit which is in the question, remember to add it to the end of the answer. As you have not written any units in the posted question, I will leave it as it is.

Hope this helps :)

7 0
3 years ago
Read 2 more answers
Help! (3 3/4)÷(−2 1/2)=
UkoKoshka [18]

Step-by-step explanation:

33/4=8.25

-21/2= -10.5

8.25÷-10.5=0.785

5 0
3 years ago
Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.5
iris [78.8K]

Answer:

By the Empirical Rule, 99.7% of the students have grade point averages that are between 1.28 and 3.8.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed(bell-shaped) random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 2.54

Standard deviation = 0.42.

Between 1.28 and 3.8?

1.28 = 2.54 - 3*0.42

So 1.28 is 3 standard deviations below the mean

3.8 = 2.54 + 3*0.42

So 3.8 is 3 standard deviations above the mean

By the Empirical Rule, 99.7% of the students have grade point averages that are between 1.28 and 3.8.

5 0
2 years ago
Read 2 more answers
What is the scientific notation of this number?<br><br> 0.000000000000000056
matrenka [14]
That's written as  5.6 x 10⁻¹⁷ .

(To change 5.6 into the original number, you'd need to
move the decimal point 17 places backwards.)
6 0
3 years ago
the half-life of radium-226 is about 1,590 years. How much of a 100mg sample will be left in 500 years
Vedmedyk [2.9K]

Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz

I know the best answer ever (*says sarcastically*)

6 0
2 years ago
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