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qaws [65]
2 years ago
8

At the beginning of spring, Lydia planted a small sunflower in her backyard. The sunflower's height in inches, h, after w weeks,

is given by the equation h=3.75w+14. What is the meaning of the h-value when w=1?

Mathematics
2 answers:
fenix001 [56]2 years ago
7 0
H =17.75 is the answer
vekshin12 years ago
3 0

Answer:

<h2><em><u>Last</u></em><em><u> </u></em><em><u>option</u></em><em><u> </u></em></h2>

Step-by-step explanation:

<em><u>Here,</u></em>

h = 3.75w + 14

=> h = 3.75(1) + 14

=> h = 17.75 inches

<em><u>So</u></em><em><u>,</u></em>

We can conclude that this equation shows <em><u>:</u></em><em><u> </u></em><em><u>How</u></em><em><u> </u></em><em><u>much</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>sunflower</u></em><em><u> </u></em><em><u>grows</u></em><em><u>,</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>inches</u></em><em><u>,</u></em><em><u> </u></em><em><u>each</u></em><em><u> </u></em><em><u>week</u></em><em><u>.</u></em>

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Need help for this please
Ksju [112]

Answer:

The area of the circle is approximately <u>154</u> square meters

Step-by-step explanation:

Area of a circle formula: A = \pi r^{2}

given:

- diameter = 14m

- pi = 22/7

radius (r) = diameter/2 = 14/2 = 7\\A = 22/7*(7)^2\\A = 22/7*(49)\\A = 154

8 0
2 years ago
Tony sees an outfit that he
REY [17]

Answer:

He need 345 $

Step-by-step explanation:

Data :

Shirt = 50 $

Pant = 75 $

Shoes = 375 $

Now add them

50 + 75 + 375 = 500 $ value 1

He has 155 $  value 2

Subtrate value 2 from value 1

    500 - 155 = 345 $

7 0
2 years ago
A university law school accepts 2 out of every 5 applicants. If the school accepted 180 students, find how many applications the
Lubov Fominskaja [6]
You can set up rations to do this.
So we know that they accept 2:5.
So It would be 180: 450.
8 0
2 years ago
Look at picture <br>y=_<br><br>the height of the baseball after 5 seconds is ___ feet​
Wittaler [7]

Answer:

  • y = -2(x -3)² +24
  • 16 feet

Step-by-step explanation:

We expect the equation for y to be quadratic. Since the table is obviously symmetrical about x=3, we can start with the vertex form ...

  y = a(x -3)² +b

Filling in the values from the first two table points, we get

  For (x, y) = (0, 6):

     6 = a(0 -3)² + b       ⇒   9a +b = 6

  For (x, y) = (2, 22):

     22 = a(2-3)² +b       ⇒   a +b = 22

Subtracting the second equation from the first gives ...

  (9a +b) -(a +b) = (6) -(22)

  8a = -16 . . . . . . collect terms

  a = -2 . . . . . . . . divide by 8

The second equation above tells us ...

  b = 22 -a = 22 -(-2) = 24

So, our equation for y is ...

  y = -2(x -3)² +24

__

The value of y for x=5 is ...

  y = -2(5 -3)² +24 = 16

The height of the ball after 5 seconds is 16 feet.

5 0
2 years ago
Astronomers treat the number of stars in a given volume of space as a Poisson random variable. The density in the Milky Way Gala
umka21 [38]

Answer:

a) 0.264

b) 48 cubit light-years

Step-by-step explanation:

For calculating a)  What is the probability of 3 or more stars in 16 cubic light years?

a)

λ= 1 star/16 cubic light-years

t= measure t in units of 16 cubic light years.

E(Y) = λ t = (1/16)(16) = 1 star

P(X>=2) = 1 - P(X<2)

= 1 - [e^-1 + (e^-1)(1)/1!]

= 0.264

b)

P(X≥1) = 1 - P(X=0)

= 1 - e^-μ

0.95 = 1 - e^-μ

e^-μ = 1 - 0.95

e^-μ = 0.05

ln(e^-μ) = ln(0.05)

-μ = -3

μ = 3

Therefore  3 x 16 = 48 cubic light years of space

4 0
3 years ago
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