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kakasveta [241]
2 years ago
13

A controversial story comes out in the school newspaper. The number of students who have not heard about the story decreases at

a rate that is proportional at any time to the number of students who have not heard the story at that time. There were 900 students who had not heard the story initially, and the number of students is divided by 3 every 4 days. How many students have not heard the story after 7 days? Round to the nearest student. students Stuck?
Mathematics
1 answer:
denis23 [38]2 years ago
7 0

The bisector goes through photosynthesis causing the qordinates of the triangle to find the spectrum

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Attempted but just couldnt understand (25Points)​
Rashid [163]

Answer:

a) Function:Yes

b) Domain: -5\:

c) Range:  -5\le y\le 3

Step-by-step explanation:

The given graph passes vertical line test hence it is a function

The given function has x-intercepts at x=-4.5, x=-1,x=3.5

We can therefore write this function in factored form as y=a(2x+9)(x+1)(2x-7)

There is a y-intercept at (0,-2)

-2=a(2*0+9)(0+1)(2*0-7)

-2=-63a

a=\frac{2}{63}

The required function is

y=\frac{2}{63}(2x+9)(x+1)(2x-7)

b) The domain refers to all values of x for which this function is defined.

The domain from the graph is -5\: because there are holes at the end of the graph.

c) The range is the value of y for which x is defined or the graph exists.

From the graph the range is -5\le y\le 3

5 0
3 years ago
If (inserted image), then f(2)=<br> A)1/3<br> B)1<br> C)7
Lubov Fominskaja [6]

Given : f(x) = 3x + 1

We get f(2) by substituting x = 2 in the given Function

⇒ f(2) = 3(2) + 1

⇒ f(2) = 6 + 1 = 7

Option C is the Answer

6 0
3 years ago
What is the value of x to the nearest degree?<br><br> 48 <br> 42 <br> 84 <br> 24
Cerrena [4.2K]

Answer:

The value of the angle x is 48°.

Step-by-step explanation:

Base of the triangle = 10

Height of the triangle = 11

\tanx =\frac{Height}{Base}

\tanx =\frac{11}{10}=1.1

x =\tan^{-1}1.1=47.7263^o\approx 48^o

The value of the angle x to the nearest degree is 48°.

8 0
3 years ago
A triangle-shaped machine part has sides of 2 1/2 inches, 3 1/4 inches, and 5 inches. The triangle's perimeter is
SOVA2 [1]

Answer:

C

Step-by-step explanation:

The perimeter of any shape is the distance around the edge of the shape. It is found by adding the side lengths of each side together.

Add each side length listed for the triangle part.

P = 2\frac{1}{2} +  3\frac{1}{4} + 5 \\P = 2\frac{2}{4} + 3\frac{1}{4} + 5\\P = 10 \frac{3}{4}

8 0
3 years ago
Q # 17 please solve the figures
Juliette [100K]
Answer: First option:
Angle C is congruent with angle X, angle D is congruent with angle Y, angle A is congruent with angle Z
6 0
2 years ago
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