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kondor19780726 [428]
3 years ago
11

(7 2/3−4 8/9)+(5 2/3−2 1/2) PLEASE HELP WILL GIVE 100 PTS

Mathematics
2 answers:
patriot [66]3 years ago
6 0

answer:

107/18

Step-by-step explanation:

look at the image for step by step solution.

tiny-mole [99]3 years ago
3 0

Answer:

ihatebekjfbwjkefkwbfkjwbfjkewbfjkbewjkbfkjwefbkwjbf

Step-by-step explanation:

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This is actually really confusing please help me out.
RUDIKE [14]

Answer:

a ball bouncing off a wall

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Jayden has been reading a 275275275-page book for English class. On average, he has read about 101010 pages in 151515 minutes (\
maxonik [38]
First let's define variables:
 r: reading
 s: skimming
 We write the system of equations that adapts to the problem:
 r + s = 275
 (15/10) r + (10/15) s = 355
 We solve the system of equations:
 r = 206
 s = 69
 Note: see attached image for system solution.
 Answer: 
 Jayden had to skim 69 pages through

8 0
3 years ago
A golf ball is hit off a tee toward the green. The height of the ball is modeled by the function h(t) = −16t2 + 96t, where t equ
Ierofanga [76]

Answer:

t = 3; It takes the ball 3 seconds to reach the maximum height and 6 seconds to fall back to the ground.

Step-by-step explanation:

To find the axis of symmetry, we need to find the vertex by turning this equation into vertex form (this is y = a(x - c)² + d where (c, d) is the vertex). To do this, we can use the "completing the square" strategy.

h(t) = -16t² + 96t

= -16(t² - 6t)

= -16(t² - 6t + 9) - (-16) * 9

= -16(t - 3)² + 144

Therefore, we know that the vertex is (3, 144) so the axis of symmetry is t = 3. Since the coefficient of the squared term, -16, is negative, it means that the vertex is the maximum. We know that it takes the golf ball 3 seconds to reach the maximum height (since the t value of the vertex is 3) and because the vertex is on the axis of symmetry, it would take 3 more seconds for the ball to fall to the ground, therefore it takes 3 + 3 = 6 seconds to fall to the ground. The final answer is "t = 3; It takes the ball 3 seconds to reach the maximum height and 6 seconds to fall back to the ground.".

6 0
3 years ago
What is the y-intercept of the graph of the equation 5x + (–2y) = 8?
alisha [4.7K]
The y-intercept of the graph equation is (0,-4)
8 0
3 years ago
Read 2 more answers
PLZZZZ HELP ME
Alecsey [184]

Answer:

D $1.50

Step-by-step explanation:

240/8 = 30p or 30 cents in America

30 x 5 = 150 cents = $1.50

5 0
3 years ago
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