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n200080 [17]
3 years ago
13

2x + y + 3z = 19 3x + 2y + 3z = 19 X + 4y + 2z = 9 What is the value of x?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
6 0
X = 1 (Just adding characters)
Brrunno [24]3 years ago
4 0

Answer:

4.5

2.5

4

Step-by-step explanation:

(someone passed this to me) 90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you

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Last month Maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. Let x re
cupoosta [38]

Answer: 5x-10y=90

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A group of students is riding in a bike tour. They have biked 15 miles, which is 25% of the tour. How long is the tour?
igor_vitrenko [27]

Answer:

60 miles

Step-by-step explanation:

25% of 60 = 15

Hoped this helped<33

3 0
2 years ago
Identify the domain of the function shown in the graph.
Leno4ka [110]

Domain is set of all x-values. You are supposed to focus on the x-axis instead.

From the graph, the point starts from x = -5 and ends on x = 5. That means no values would exist after x = 5 or before x = -5.

Hence, the domain starts from -5 to 5.

Answer

  • -5≤x≤5
4 0
3 years ago
Michael has 1.85 in dimes and nickels.He has a total of 25 coins.how many of each does he have
creativ13 [48]
D+n=25 subtract d from both sides *(if your wondering what d and n are it stands for Dimes and Nickels)* n=25-d   
0.10d+0.05= 1.85
0.10d+0.05(25-d)= 1.85
0.10d+1.25-0.05d= 1.85
0.05d = 0.60
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
My answer: He has 12 dimes (d=12) and 25-12=13 so 13 nickels.. Hope this helps! :)

5 0
3 years ago
Guys, this is important!! My assignment is worth 100 points. (not the question but the assignment!) Solve this graph for me and
galben [10]

Answer:

I think it goes like this : 20:4=5 so there's five monsters in the room

Step-by-step explanation:

if that's the case of this question it should go like this:

9(rooms)×5(monsters per room)= 45 monsters

30(monsters):5(monsters per room)=6 rooms

13(rooms)×5(monsters per room)=65 monsters

35(monsters):5(monsters per room)=7 rooms

I hope you do well in your assignment.

I hope I helped at least a little!

8 0
3 years ago
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