MATHEMATICS MIDDLE SCHOOL

Solve for q

- 3/4q = 12

q = ___

Answers

Answer 1
Answer: \text{We know: } \n \boxed{(\ -3\ )/(\ 4\ )*q=12 } \n \n q=12: (\ -3\ )/(\ 4\ ) \n \n q=12* (\ 4\ )/(\ -3\ ) \n \n q= \frac{\ 48\ } {\ -3\ } \n \n q=-16 \n ********** \n \n \text{Check:}\n \n \boxed{ (-3)/(4)*-16=12 } \n \n (48)/(4) =12 \ TRUE
Answer 2
Answer: (-3)/(4q)=12
Multiply by q to eliminate var in denominator 
( \not q*(3))/(4 \not q) =q*12
q= (-3)/(4) =q*12
Common denominator is 4
( \not 4(-3))/( \not 4) =4q*12
-3=4q*12
-3=48q
Divide  by 48
q=( \not 3)/( \not 4 \not 8)
q=-16
The answer is: q=-16 

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Javier has a job installing windows. He earns a rate of $75 per day plus $8 per window installed. He also receives a stipend of $25 for snacks. Javier knows his weekly earnings can be shown with the following expression: 75d + 8w + 25
Part A: Identify a coefficient, a variable, and a constant in this expression.
Part B: If Javier works for 5 days and installs 48 windows, how much does he earn? Show your work to receive full credit.
part C: If Javier gets an increase in his stipend and receives $40 for snacks, would the coefficient, variable, or constant in the equation change? Why?

Answers

A. a coefficient would be 75 or 8. The variables d and w as the constant is 25.

B. 75d+8w+25
75(5)+8(48)+25
375+384+25
400+384
784

Javier earns $784

C. If Javier gets an increase in his stipend and receives $40 for snacks, the constant in the equation would change because The coefficients are affected by the amount of days or windows he worked/installed while the constant before, of $25, is non-related to the work due to the fact that its used for snacks. And since his stipend for snack increases, only the constant changes.

On A Number line, which of the following sums is to the left of the first number in the sum?Select all that apply.
A) -9+1
B) -1/6+4/3
C) 7/2+(-3/4)
D) 15+(-8)
E) -2+6

Answers

The option D is correct.

The following information should be considered;

  • If we considered D option

So,

= 15 +(-8)

= 15 - 8

=7

As it is a positive numbers and 7 should be the left of 15

Learn more: brainly.com/question/24908711?referrer=searchResults

D because it is a positive that has to go back because it is being added by a negative the answer to D is 7 and 7 is to the left of 15

Perform the indicated operation (x-y)^3/y^3+z^3 + x^2-2xy+y^2/y^2-yz+z^2

Answers

Answer:

See the attached figure

I need help on this question this is really really hard.

Answers

passed/total=84/105=4/5=C 
Yup that persons right take ot from me...i have no clie what was going on so ya its C 4/5

Write the steps for how to use a number line to multiply a 2 digit number by 20. give an example

Answers

On the number line you would start with 2 and end at 20 so your space would be 10 and your number sentence is 2×10=20

Zulfiya earns her regular pay $7.50 per hour for up to 40 hours of work in a week. For each hour over 40 hours of work in a week, Zulfiya is paid 1.5 times her regular pay. How much does Zulfiya earn for a week in which she works 46 hours? The answer is $367.5

Please show me the way of your solution

Answers

Zulfiya get $7.5 for each hour.
If she works more than 40 hrs she gets 1.5 times her regular pay.
She works for 46 hrs.
7.5×40=300
For next six hrs she gets 1.5 times her pay i.e. 7.5×1.5=11.25 for one hr.
for 6 hrs she gets 11.25×6=67.5
For 46 hrs she earns 300+67.5= $367.5
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