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Greeley [361]
3 years ago
9

-5x + y = -6 7x + 2y = 39

Mathematics
1 answer:
storchak [24]3 years ago
6 0

Answer:

so i don't know if they are separate math problems but for the first question i got M=5 and the second question i got M=-7/2

Step-by-step explanation:

hope this helps please mark brainliest

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If you rolled a die, what is the probability that you would roll an odd number
weeeeeb [17]

Answer:

P = 3/6.

Step-by-step explanation:

there are three odd numbers and three even numbers on a 6-sided die. the probability of rolling an odd number is 50%, which can be converted to 1/2, or 3/6. hope this helps

- Zombie

6 0
3 years ago
Read 2 more answers
Subtracting Fractions
Darya [45]
A:2/15
5times3=15denominator
4times3=12
5times2=10
10-12=2/15
3 0
3 years ago
Solve the equation: <br> x - 9 = -6 + 5 <br><br> A. 21<br> B. 7<br> C. 14<br> D. 2
uysha [10]

Answer:

I got 8, but I'm not sure.

Step-by-step explanation:

So I first did -6 + 5, and I got -1 as an answer. Then I did -1 plus 9 because both sides need to be equal. I wrote that x = 8 but that wasn't an option. I'm not sure if this was helpful and I'm really sorry if it's not.

8 0
4 years ago
Read 2 more answers
Solve this problem on paper using all four steps.
ratelena [41]
Your mistake is that week 3 is twice of week 2
week2=x+5, twice of that is 2(x+5)=2x+10, you did not distribute the 2 to the 5 and you got 2x+5, that is your mistake


x is first week
2nd week is y
3rd is z

5 more the 2nd week than 1st week
x+5=y

3rd week is double 2nd wee
z=2y

total is 431

x+y+z=431
sub
y=5+x and z=2y
x+5+x+2y=431
sub 5+x for y
x+5+x+2(5+x)=431
x+5+x+10+2x=431
4x+15=431
minus 15
4x=416
divide by 4
x=104
add 4
x+5=109
double
2*109=218

they sold
1st week: 104
2nd week: 109
3rd week: 218
3 0
3 years ago
Read 2 more answers
camelback mountain has an elevation change of 1,264 feet. how many pennies would it take to make a stack that high ? show all wo
gtnhenbr [62]

              Camel back Mountain = 15,168 inches (1,264 feet)

  • 1 Penny = 0.061 (.0610) Inches
  • 10 Penny = 0.61 (.610) Inches
  • 100 Penny = 6.1 (6.10) Inches
  • 1,000 Penny = 61 (61.0) Inches
  • 10,000 Penny = 610 (610.0) Inches

                                                   <u>-SOLVING-</u>

10,000 Penny = 610 inches PLUS

1,000 Penny = 61 inches AND 61 inches x 5 = 305 (5,000 Penny)

100 Penny = 6.1 inches PLUS

10 Penny = 0.61 inches AND 0.61 inches x 6 = 3.66 (60 Penny)

1 Penny = 0.061 inches AND 0.061 inches x 8 = 0.488 (8 Penny)

                                            -<u>FINAL ANSWER-</u>

610 + 305 + 6.1 + 3.66 + 0.488 = 925.248 Penny it would take.

3 0
2 years ago
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