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zepelin [54]
3 years ago
15

Please help me!!! :)

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0

(2x-4) / 5 = x + 4.  Mult. both sides by 5 to eliminate the fraction on the left side:

2x-4=5x + 20

Combining like terms, 3x = -24, and so x = -8

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In the number 668 the 6 in the hundreds place is _ the value of the 6 in the tens place
mihalych1998 [28]
6 in the hundreds place = 600
6 in the tens place =60
4 0
3 years ago
A pumpkin is launched directly upwards at 72 feet per second from a platform 12 feet high. The pumpkin's height, h, at time t se
Illusion [34]

Answer:

93 feet

Step-by-step explanation:

Let us first find the time it takes to reach the maximum height. We can do this by differentiating the height function to get velocity:

dh(t)/dt = v(t) = -32t + 72

The maximum height will occur when the velocity becomes 0. Therefore, the time it takes to reach maximum height is:

0 = -32t + 72

32t = 72

t = 72/32 = 2.25 seconds

Therefore, the maximum height of the pumpkin is:

h(2.25) = -16(2.25)^2 + 72(2.25) + 12

h(2.25) = -81 + 162 + 12

h = 93 feet

4 0
3 years ago
I thought of a number, added 3 2/7 to it, then I multiplied the result by 1 1/2 , and got 6 5/7 . What was my number?
Arisa [49]
I got 25/21 or 1 4/21, but there’s a possibility I could’ve made a mistake in my math so you should double check it just in case.
6 0
3 years ago
Please answer ASAP!!!
drek231 [11]
Hi there!
------------------------
question - A 36-foot flagpole casts a 10 3/4 foot shadow, while the hospital nearby casts a 37 5/8 foot shadow. Find the height of the hospital
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if you correctly work this out the answer is:
The height of the hospital is 35 3/4 feet
--------------------------------------------------------------
Have a nice day!
6 0
3 years ago
Sutract 5a -3b +2b from a-4b -2c​
Alborosie

Step-by-step explanation:

-4a-5b-2c I think that is the best answer

8 0
2 years ago
Read 2 more answers
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