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lozanna [386]
3 years ago
11

If an object is propelled upward from a height of 144 feet at an initial velocity of 128 feet per second, then its height after

t seconds is given by the equation
After how many seconds does the object hit the ground?

A 11
B 4.5
C8
D9
Mathematics
1 answer:
Fittoniya [83]3 years ago
4 0

Answer: is is option A I did the test and got it right

Step-by-step explanation:

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What is 2x+x+x+2y×3y×y simplified
Reil [10]

Answer:

4x+6y³

Step-by-step explanation:

give me thanks, please;)

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3 years ago
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WILL MARK THE CORRECT ANSWER BRAINLIEST!<br><br> Select all the correct answers:
stepladder [879]

Answer:

B, D

Step-by-step explanation:

Solve all equations:

A.

x-3x=-2x+4\\ \\-2x=-2x+4\\ \\0=4

This is false equality, so this equation has no solutions.

B.

x-\dfrac{1}{3}(3x)=0\\ \\x-x=0\\ \\0=0

This equality is true for all values of x, so this equation has infinitely many solutions.

C.

\dfrac{1}{3}x-3=4+2x\\ \\x-9=12+6x\\ \\x-6x=12+9\\ \\-5x=21\\ \\x=-\dfrac{21}{5}

This equation has the unique solution.

D.

3x+2-\dfrac{1}{3}(3x)=2+2x\\ \\9x+6-3x=6+6x\\ \\6x+6=6+6x\\ \\0=0

This equality is true for all values of x, so this equation has infinitely many solutions.

E.

x-\dfrac{1}{3}x+2=0\\ \\3x-x+6=0\\ \\2x=-6\\ \\x=-3

This equation has the unique solution.

8 0
3 years ago
Megan wants to change her Internet Service Provider.
Lera25 [3.4K]

Good for Megan............

4 0
3 years ago
please help pleeeeeeeeeeeeeeeeeeeeeeaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssssssssssssssssseeeeeeeeeeeeeeeeeeeeeeee
Aloiza [94]

Answer:

3 minutes: 792

30 minutes: 7920

Step-by-step explanation:

Since 264 parts are made in one minute you can multiply 264 with 3 for 3 minutes:

264 times 3 is 792

For 30 minutes, we can multiply 264 with 30:

264 times 30 is 7920

Hope this helps!

8 0
3 years ago
Read 2 more answers
Please help :) also please don’t take advantage of the points.
Gnoma [55]

Answer:

C. 50

Step-by-step explanation:

180 - (70 + 60)

180 - 130

50, so C

<em>Hope that helps!</em>

<em>-Sabrina</em>

6 0
3 years ago
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