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AlexFokin [52]
3 years ago
15

Gabriella and Max worked on their math project for a total of 6 hours. Mx worked on the project for 2 hours by himself. Solve th

e equation x+2=6 to find out how many hours Gabriella worked on the project.
Mathematics
1 answer:
icang [17]3 years ago
8 0

Answer:Gabriella worked 4 hours

Step-by-step explanation:

6 minus 2 equals 4 ... its simple subtraction

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Bella and Heather put some money in their money boxes every week. The amount of money (y) in dollars, in their money boxes after
evablogger [386]

The question is incomplete:

Bella and Heather put some money into their money boxes every week. The amount of money (y), in dollars, in their money boxes after a certain amount of time (x), in weeks, is shown by the equations below: Bella: y = 25x + 60 Heather: y = 30x + 10 After how many weeks will Bella and Heather have the same amount of money in their money boxes, and what is that amount?

 10 weeks, $10  

10 weeks, $310  

9 weeks, $310  

310 weeks, $10

Answer:

10 weeks, $310  

Step-by-step explanation:

As the statement indicates, you have the following equations:

y=25x+60

y=30x+10

where:

y= the amount of money

x= the amount of time in weeks

You can equalize the expressions and isolate x to find the number of weeks after which Bella and Heather will have the same amount of money:

25x+60=30x+10

60-10=30x-25x

50=5x

x=50/5= 10

After this, you can replace the value of x in any of the equations to find the amount of money that they will have after 10 weeks:

-y=25(10)+60=310

-y=30(10)+10= 310

According to this, the answer is 10 weeks, $310.

6 0
3 years ago
5. What is the solution of |3x-3|_<18?
Mrrafil [7]
Answer : D

WORK...
|3x-3| \leq 18


PART 1:
3x-3 \leq 18
 add 3 on both sides... 3x \leq 21 divide by 3 on both sides... x \leq 7

PART 2:
3x-3 \geq -18  add 3 on both sides... 3x \geq -15
 divide 3 on both sides... x \geq -5

plug both answers together..
-5 \leq x \leq 7
8 0
3 years ago
Need help with theses questions please
Olin [163]
Hello:
3x²+5x+2=0
delta = (5)²-4(3)(2)=1
x =( -5 <span>±1)/6
x= -2/3 or x=-1

t4-81=(t²)² -9² = (t²-9)(t²+9) =(t-3)(t+3)(t²+9)....(answer B)</span>
7 0
3 years ago
Solve.<br> 45 = 4(a + 3) – 3
Alex787 [66]

Answer:

a = 9

Step-by-step explanation:

45 = 4(a + 3) – 3

Add 3 to both sides.

48 = 4(a + 3)

Divide both sides by 4.

12 = a + 3

Subtract 3 from both sides.

9 = a

a = 9

Answer: a = 9

5 0
2 years ago
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Covert 56.7 yards to inches
AlladinOne [14]
The answer is 2041.2 inches
5 0
3 years ago
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