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Tcecarenko [31]
3 years ago
11

A science class is tracking the progress of plant growth. The class starts the experiment with a plant five centimeters high. Th

e plant grows two centimeters each day. The model for plant growth "y" is given by: y = 2x + 5. What is the meaning of the y-intercept in this equation?
Mathematics
2 answers:
NISA [10]3 years ago
6 0

Answer:

In this equation, the y-intercept (+ 5) represents the original height of the plant. 2x represents the amount of growth multiplied by the number of days, x.

Step-by-step explanation:

Norma-Jean [14]3 years ago
3 0

Answer: C) the y-intercept is the starting height of the plant

Step-by-step explanation:

In the equation of a straight line, there is a slope (2) and a y intercept (5). The y intercept is where the line crosses the y axis. It is the starting point for the y values. The science class starts the experiment with the plant being 5 centimeters high and since this is the starting point/height, this is also the y intercept.

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The circumference of a circle is 24pi ft. What is the area, in square feet?
dexar [7]

Answer:

144π

Step-by-step explanation:

we need the radisu

circumference formula: 2πr

2πr=24π

12=r

area formula:

πr²

12²π= 144π

8 0
3 years ago
An account has $26,000 after 15 years. The account received 2.3 percent interest compounded continuously. How much was deposited
Leya [2.2K]

The intital amount deposited was  $18485.82.

<h3>How to find the compound interest?</h3>

If n is the number of times the interested is compounded each year, and 'r' is the rate of compound interest annually, then the final amount after 't' years would be:

a = p(1 + \dfrac{r}{n})^{nt}

An account has $26,000 after 15 years. The account received 2.3 percent interest compounded continuously.

A = 26000

R = 0.02.3

a = p(1 + \dfrac{r}{n})^{nt}

26000 = p(1 + \dfrac{2.3}{100})^{15}\\\\26000 = p \times 1.4064\\\\\P= 18485.82

Therefore, the intital amount deposited was  $18485.82.

Learn more about compound interest here:

brainly.com/question/1329401

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7 0
2 years ago
A helicopter flies over a city. The helicopter changes its altitude by
Shalnov [3]

Answer:

The total change in the altitude is 58.3

Step-by-step explanation:

-42.9 + -15.4 = 58.3

8 0
3 years ago
63.7+(-26) what is 63.7 plus negative 26
andrew-mc [135]

Answer: 63.7 + (-26) = 37.7

6 0
3 years ago
A map of your town has a scale of 1 inch to 0.25 mile. There are two roads that are 5 inches apart on the map. Use this informat
egoroff_w [7]

Answer: <u>The 2 roads are 1.25 miles apart.</u>

Step-by-step explanation:

If 1 inch equals .25 miles, then you need to multiply .25 by 5.

Use proportions. Make sure the miles are on the same "side" of the fraction. Side meaning the top or the bottom

\frac{1}{.25} =\frac{5}{x}

1 times X equals 1x

.25 times 5 equals 1.25

1.25 divided by 1 equals 1.25.

6 0
3 years ago
Read 2 more answers
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