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labwork [276]
3 years ago
14

Solve for x. 1.1x + 1.2x - 5.4 = -10

Mathematics
1 answer:
Andru [333]3 years ago
4 0

Answer:

x ≈  - 1.83

Step-by-step explanation:

to solve for x in the question 1.1x + 1.2x - 5.4 = -10

we have

2.3x - 5.4 = -10

collect the like terms

2.3x = -10 + 5.4

2.3x = -4.2

divide both sides by the coefficient of x

2.3x/2.3 = -4.2/2.3

x = -1.826

x ≈  - 1.83

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Answer:

$7.25 or D

Step-by-step explanation:

First take the 18$ and the $10.75 and subtract 10.75 from 18 and get $7.25

6 0
2 years ago
Can anyone help with this?
ss7ja [257]

The vertex is (3,5).

There is no x intercept. Because

0=(x-3)^2+5 has no real solutions.

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4 years ago
Solve for u<br><br> 3u+3=-18
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Convert to a fraction: 150%
BARSIC [14]
So,  all percents can be expressed as *percent*/100
So for this,  it would be 150/100
Then we want to simplify it down and all that jazz.  Find the biggest number that BOTH the numerator AND denominator can be divided by.
In this case,  50.
150/50=3
100/50=2
So now you have 3/2
You might also want a mixed number,  or, a whole number with the leftover fraction after it.
In this case,  see how many times can 2 go into 3 FULLY.
The answer would be 1.  1 is our WHOLE NUMBER.
Then take whatever is left over from 3 and that is our numerator.  Do this,  since 2 can go into 3 ONE time FULLY,  I can say 3-(2*1) is our remainder.
That gives you one as the numerator.  2 is still the denominator.
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So here is 150% as a fraction:  150/100,  3/2 or 1 1/2.
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6 0
4 years ago
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Natali5045456 [20]

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Step-by-step explanation:

P(not drawing black marble)=\frac{ number of marbles which are not black}{total number of marbles}

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P(drawing a red marble)=\frac{ number of marbles which are red}{total number of marbles}

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4 0
3 years ago
Read 2 more answers
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