3 years ago

What is the d value in the following arithmetic sequence? -7, -2, 3, 8, …

Mathematics

2 answers:

klio [65]3 years ago

7 0

Answer:

Step-by-step explanation:

do i have to write it all out :)

gizmo_the_mogwai [7]3 years ago

4 0

Answer:

Step-by-step explanation:

You add five to -7 you get -2 add five to -2 you get 3 and so on.

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The population of rabbits on an island is growing exponentially. In the year 1990, the population of rabbits was 1200, and by 19

kobusy [5.1K]

Answer:

2023 rabbits

Step-by-step explanation:

The exponential model consists of the following expression:

$y = A \cdot r^{t}$

Where:

$A$ - Initial population.

$r$ - Increase rate.

$t$ - Time

$y$ - Current population.

The initial population and increase rate are, respectively:

$1200 = A \cdot r^{0}$

$A = 1200$

$1700 = 1200 \cdot r^{4}$

$r^{4} = \frac{1700}{1200}$

$r^{4} = \frac{17}{12}$

$r = \sqrt[4]{\frac{17}{12} }$

$r \approx 1.091$

The exponential model that predicts the population of rabbits is:

$y = 1200\cdot 1.091^{t}$

Lastly, the expected population for the year 1996 is:

$y = 1200\cdot 1.091^{6}$

$y\approx 2023.624\,rabbits$

5 0

3 years ago

A bicycle tire is 28 inches in diameter.

Andrej [43]

Answer:

Option A.) 88 inches

Step-by-step explanation:

step 1

Find the circumference of the wheel

we know that

The circumference of a circle is equal to

$C=\pi D$

we have

$D=28\ in$

$\pi =\frac{22}{7}$

substitute

$C=(\frac{22}{7})(28)=88\ in$

8 0

3 years ago

Compare these amounts. use or =.<br><br>8oz ________ 8 cups

hichkok12 [17]

Answer:

8 cups is greater then 8 oz

Step-by-step explanation:

8 0

3 years ago

Half a foot by a quarter of a foot by 3/4 of a foot fraction

JulsSmile [24]

Step-by-step explanation:

x×1/2×1/4×3/4

x×3/32

3/32x

5 0

2 years ago

—13 < -x+5< 8 iѕ -21 <br><br> True or false?

Andrej [43]

This is True I believe

6 0

3 years ago