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FrozenT [24]
3 years ago
15

Elizabeth and Markus are playing catch. Elizabeth throws the ball first. The height of the ball can be modeled by the equation h

= −8t(t − 9), where h is the height of the ball in feet and t is the time in seconds. Markus is distracted at the last minute and looks away. The ball lands at his feet. If the ball travels at a rate of 3.5 feet per second, how far is Markus standing from Elizabeth when the ball hits the ground?
Mathematics
1 answer:
astra-53 [7]3 years ago
5 0

Answer:

h=-5(16t-144t-7)

Step-by-step explanation:

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Can someone assist me with this?
Mnenie [13.5K]

Answer:

29: 7

Step-by-step explanation:

\frac{8}{3x - y}  =  \frac{5}{x + 3y}

<em>Cross</em><em> </em><em>multiply</em><em>:</em>

8(x + 3y) = 5(3x - y)

<em>Expand</em><em> </em><em>bracket</em><em>:</em>

8x + 24y = 15x - 5y

<em>Bring</em><em> </em><em>x</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>1</em><em> </em><em>side</em><em>,</em><em> </em><em>y</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>other</em><em>:</em>

15x - 8x = 24y + 5y

<em>Simplify</em><em>:</em>

<em>7x = 29y</em>

<em>Divide</em><em> </em><em>by</em><em> </em><em>7</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>

x =  \frac{29}{7} y

<em>Divide</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>y</em><em>:</em>

<em>\frac{x}{y}  =  \frac{29}{7}</em>

∴ The ratio of x to y is 29:7.

5 0
3 years ago
1. Is the following function continuous/differentiable at x = 1?
alexira [117]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
What is the solution of this system of linear equations? 3y = x + 6 y – x = 3
Fofino [41]
First isolate y by adding x to both sides in y-x=3 and getting y=x+3
Step 1: substitute x+3 for y in 3y=x+6 to get 3(x+3)=x+6
Step 2: distribute 3x+9=x+6
Step 3: subtract like terms 2x=-3
Step 4: divide x=-3/2

substitute -3/2 for x in y=x+3 to get
y=-3/2+3
y=3/2

answer: y=3/2 x=-3/2
5 0
3 years ago
A Medical Terminology course has 150 total students. On the first exam 96 students passed. What is the percentage of students th
Natalija [7]
36% did not pass the exam
5 0
3 years ago
Read 2 more answers
6= 24-6a what is a.......................
AnnyKZ [126]

Answer:

3

Step-by-step explanation:

6=24-6a

6a=24-6

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a=3

3 0
3 years ago
Read 2 more answers
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