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ddd [48]
3 years ago
11

Denise rolled a number cube several times. The results are shown.

Mathematics
2 answers:
BartSMP [9]3 years ago
6 0

Answer:13.3

Step-by-step explanation:

strojnjashka [21]3 years ago
5 0
4/156 so
2/78 so
1/39 so approx. 2.5641%
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I need some help on #18
Nezavi [6.7K]

Answer:

  A. the vertical intercept (often called the y-intercept)

  B. the slope of the line

  C. V(t) = 100t +2000

  D. V(10) = 3000, the value in year 10

  E. see attached

Step-by-step explanation:

<h3>a. </h3>

You are told that year 0 is the year that you made the investment. Then the value in year 0 represents <em>the value of the investment in the year you made the investment</em>. (It is sometimes called the "initial value.")

When the function is graphed, the value in year 0 will be the value on the graph at t=0. If t=0 is the vertical axis (as it usually is), then 2000 is the vertical intercept--the point where the line meets the vertical axis.

__

<h3>b.</h3>

To find the difference between values in consecutive years, subtract one from the other:

  2100 -2000 = 100 . . . . the change in value in consecutive years

On the graph, for each increment of 1 in the value of t, the value of the investment will increase by this amount. That means the slope of the graph (rise/run) is 100/1 = 100. The difference in value in consecutive years is the slope of the graph.

__

<h3>c.</h3>

The equation of the line is ...

  V(t) = (slope) × t + (vertical intercept)

  V(t) = 100t +2000

__

<h3>d.</h3>

V(10) = 100×10 +2000 = 1000 +2000

V(10) = 3000 . . . . . the value of the investment in year 10

__

<h3>e.</h3>

see attached

7 0
2 years ago
HELLO!!! I nEeD hElP
katovenus [111]

Answer:a

Step-by-step explanation:

I just did it

6 0
3 years ago
Of all the students who participate in the school music programs in the district, 394 students play a wind instrument. If 2/5 of
daser333 [38]
2/5 of the students is equivalent to 394 students. The total number of students involved is thus 394*5/2.
7 0
3 years ago
Read 2 more answers
During the half time of a basketball game, a sling shot launches T-shirts at the crowd. The T-shirt is launched with an initial
kumpel [21]

Step-by-step explanation:

The T-shirt is launched with an initial upward velocity of 60 ft/s from a height of 5 feet. Its equation of motion is given by :

f(x) = -12x^2 + 60x + 5 ....(1)

(a) For maximum height, put \dfrac{df(x)}{dt}=0

So,

\dfrac{ d(-12x^2 + 60x + 5)}{dt}=-24x+60

Now put,

-24x+60=0\\\\x=2.5\ s

So, the time taken for the T-shirt to reach maximum height is 2.5 seconds.

(b) Put x = 2.5 s in equation (1)

f(x=2.5) = -12(2.5)^2 + 60(2.5) + 5\\\\f(x)=80\ \text{feet}                

8 0
3 years ago
Which expression can be used to find the surface area of the following square pyramid? I DONT KNOW HOW TO PUT A PHOTO ON PC!!! b
chubhunter [2.5K]

Answer:

40 or 16+6+6+6+6

Step-by-step explanation:

To find the surface area of a 3d figure, we can imagine all of its faces laid down on a flat plane. In this case, we would have a square, and four congruent triangles. Now all we have to do is find the areas of each shape and add them up.

4 is the base of the pyramid, so it's also the square's side length. Since a square has four equal sides, our square's length and width are both 4.

4*4 = 16

For every triangle we have, the base is 4 and the height is 3. The area of a triangle can be found using the formula A=(bh)/2. We plug in the values:

A = (4*3)/2

A = (12)/2

A = 6

Since we have 4 triangles, the surface area is:

16+6+6+6+6 = 40

7 0
3 years ago
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