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Citrus2011 [14]
3 years ago
8

Solve for z. -4z+1 = bz+c

Mathematics
1 answer:
blagie [28]3 years ago
3 0

Answer:

\large\boxed{z=\dfrac{1-c}{4+b}}

Step-by-step explanation:

-4z+1=bz+c\qquad\text{subtract 1 from both sides}\\\\-4z=bz+c-1\qquad\text{subtract}\ bz\ \text{from both sides}\\\\-4z-bz=c-1\qquad\text{change the signs}\\\\4z+bz=1-c\qquad\text{distribute}\\\\(4+b)z=1-c\qquad\text{divide both sides by}\ (4+b)\neq0\\\\z=\dfrac{1-c}{4+b}

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Can someone please help me with this question? Also, can you show your work. Thank you! :) 2 help me understand
mart [117]
(320,000/4000)*12= 960 USD. 320,000 divided by 4000 is 80, there are 12 months in a year. 12 times 80 is 960. So 960 Dollars is your answer.
4 0
3 years ago
Desert County has had little rainfall. This table shows the amount of rainfall during the last 3 months.
nikdorinn [45]

Answer:

total rainfall during three months :-

\frac{17}{12}  \: or \: 1.41

Explanation :

here's the solution :-

=》rainfall in March =

\frac{1}{4} \:  inches

=》rainfall in April =

\frac{2}{3}  \: inches

=》rainfall in May =

\frac{1}{2}  \: inches

Total rainfall during these three months :-

=》

\frac{1}{4}  +  \frac{2}{3}  +  \frac{1}{2}

=》

\frac{3 + 8 + 6}{12}

=》

\frac{17}{12}

=》

1.41

so, total rainfall during the three months is 1.41 inches

4 0
3 years ago
$1.12 for 8.2 ounces? Unit Rate
Reil [10]
That is around 13 or 14 cents. The specific answer is 13.65853659 cents, but you can either round up to 14 or round down to 13 (rounding up to 14 is the correct way to do it.)

First you divide 1.12 by 8.2 to get the unit rate because It takes $1.12 to buy 8.2 ounces. 1.12/8.2=13.65853659
4 0
3 years ago
Please help! What is 1/2 + 4 5/8
grandymaker [24]

Answer:It is 5 1/8

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is 45% of 8.5 ?
satela [25.4K]

Answer:

3.825

Step-by-step explanation:

First, you have to move the decimal two over on 45%. If you move the decimal over two spaces to the right, it would be 0.45. In math, of means to multiply, so then you multiply 0.45 and 8.5 to get your answer of 3.825.

7 0
3 years ago
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