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KIM [24]
3 years ago
10

What is 3x-21=2x+5? I can't figure it out and I keep trying to do it but I can't, thanks for the help!

Mathematics
1 answer:
mr Goodwill [35]3 years ago
8 0

Answer: x=26

Step-by-step explanation: don't know how i know it does. And your welcome i really hope this helped you if not just let me know my name for this app is rubuscubus

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(2x+3y+4z)(4x^2+9y^2+16z^2-6xy-12yz-8zx)
erma4kov [3.2K]
1.1 Factoring: 4x2+9y2+16z2-6xy-12yz-8xz

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1: -6xy-12yz
Group 2: 16z2-8xz
Group 3: 4x2+9y2

Pull out from each group separately :

Group 1: (x+2z) • (-6y)
Group 2: (x-2z) • (-8z)
Group 3: (4x2+9y2) • (1)


Looking for common sub-expressions :

Group 1: (x+2z) • (-6y)
Group 3: (4x2+9y2) • (1)
Group 2: (x-2z) • (-8z)
6 0
2 years ago
Your relay team competes in the 4 x 400 meter relay. The individual times for your four member team are 56.25, 59.89, 58.55, and
Svetach [21]
<h3>Answer:  Step-by-step explanation: You have to make an addition with the individual times: 56.25+59.89+58.55+55.4=230.17 seconds. Now you should to convert it into a minutes and seconds.  1 minute= 60 seconds 2 minute= 120 seconds 3minute= 180 seconds 4minute= 240 seconds In this way you they have 3 minutes and the remainder is 50 seconds.   So, the time for the team is 3 minutes and 50.17 seconds.</h3>
7 0
3 years ago
Read 2 more answers
I’ll give brainliest if u answer within 30 mins
Alecsey [184]

Answer:

96.7 maybe or 6.75 or 5.67 or even 56.77

Step-by-step explanation:

EZ

6 0
2 years ago
The slope of a line parallel to the line who is the equation 2x + y = 6
Tanya [424]

Answer:

-2

Step-by-step explanation:

Note that slope-intercept form looks like: y = mx + b

In this case, isolate the y. Note the equal sign, what you do to one side, you do to the other. Subtract 2x from both sides:

2x (-2x) + y = 6 (-2x)

y = -2x + 6

Note in the slope-intercept form: y = mx + b

y = y

m = slope

x = x

b = y-intercept

In this case, your slope is -2. All lines parallel to the given equation will also have a slope of-2.

~

3 0
2 years ago
A disc of unit radius is tossed at random onto a large rectangular floor, which is tiled with $4 \times 6$ tiles. Find the proba
goldenfox [79]

Answer:

1/3

Step-by-step explanation:

In order for the disc to be entirely contained in a rectangular tile, its center must be at least 1 unit from the nearest edge.  Which means there's a 2 by 4 region that the center can lie in.

So the probability is (2×4) / (4×6) = 8/24 = 1/3.

4 0
3 years ago
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