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marishachu [46]
3 years ago
11

There are 24 students in Mr. Bonogofsky's marh class. 5/8 of these students earned an A on the geometric unit assessment. How ma

ny students earned an A?​
Mathematics
1 answer:
tiny-mole [99]3 years ago
5 0

Answer:

15 students

Step-by-step explanation:

5 DIVIDED by 8

You then multiply by 24

The method i just explained is known as cross multiplication

You might be interested in
5xy + 4yz + 3zx for x = -1, y =-3, z = 4
neonofarm [45]

Answer:

-45

Step-by-step explanation:

5 *-1 *-3= 15

4 *-3 *4= -48

3 *4 *-1=-12

15 -48 -12= -45

8 0
3 years ago
Evan tosses a ball from the roof of a building. The path of the ball can be modelled
DiKsa [7]

Answer:

Please find attached sketch of the path of the ball, having plot area and plot points, created with MS Excel

Step-by-step explanation:

Question;

The equation representing the path of the ball obtained from a similar question posted online are;

h₁ = -4·(t + 1)·(t - 5), h₂ = -4·(t - 2)² + 36, h₃ = -4··t² + 16·t + 20

The above equations represent the same path

The equation, h₁ = -4·(t + 1)·(t - 5), gives the roots of the height function, h(t), used in determining the height of the ball after time <em>t</em>

At (t + 1) = 0 (t = -1) or at (t - 5) = 0 (t = 5), the ball is at ground level

The ball reaches the ground, is at ground level at t = 1, and at t = 5 seconds after being tossed, where h(t) = 0

The equation of the path of the ball in vertex form, y = a·(x - 2)² + k, is h₂ = -4·(t - 2)² + 36, where, by comparison, we have;

The vertex of the ball = The maximum height reached by the ball  = (h, k) = (2, 36)

The coefficient of the quadratic term, t², is negative, therefore, the shape of the parabola is upside down, ∩, shape

The sketch of the path of the ball created with MS Excel, used in plotting the vertex, the initial value and the root points of the parabola, through which the ball passes and joining of the points with a 'smooth' curve is attached

5 0
3 years ago
How do i find the measure of these? i’m lost in math
Rina8888 [55]

Answer: Answers and work are all in the picture that I attached. Hope this helps

7 0
3 years ago
The total number of books in the library is 1155.there are 20 times more nonfiction books than fiction books. How many fiction b
alekssr [168]
There is 20x more nonfiction than fiction so you do
20+1=21
so then to find out what \frac{1}{21} of 1155 is we do
1155÷21=55
so then we times 55 by 20 because there are 20x more nonfiction than fiction
55x20=1100
soo now we know there is
1100 nonfiction books and
55 fiction books
to check whether we are right we can do
1100=55=1155
we are right because there is 1155 books in the library
hope i helped
3 0
3 years ago
Tina is making a frame for a picture she drew. The length of the picture is 11 1/9 inches, and the width of the picture is 7 1/4
77julia77 [94]

Answer:

3 31/36 inches

Step-by-step explanation:

11 1/9 = 100/9

7 1/4 = 29/4

100/9 = 400/36

29/4 = 261/36

400/36 - 261/36 = 139/36

139/36 = 3 31/36

3 0
3 years ago
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