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zavuch27 [327]
2 years ago
14

3x + 5y = 7 -3x - 2y = -1

Mathematics
1 answer:
Oksanka [162]2 years ago
6 0

Answer:

(-1,2) y=2 x=-1

Step-by-step explanation:

This is a system of equations and in this you see there is 3x and negative three x. To solve this you need tp get rid of one of the variables. so we can add the two equations together to get 3y=6. This means that y=2 if we divide by 3 on both sides. Then we just plug 3 in for y and we get 3x+10=7. We subtract 10 on both sides to get 2x=-3 which means x=-1.

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Solve for t 6t=30<br><br><br><br> math
lesya [120]

⟹\sf \: 6t = 30

⟹\sf \: Substitute \: the \: value \: of \: t \: as \: 30/6 \: in \: the \: above \: equation.

\sf \: 6t = 30 \\ \sf \: t =  \frac{30}{6}  \\ \sf \: t = 5

Answer ⟶ \boxed{\bf{t = 5}}

4 0
2 years ago
Read 2 more answers
David is going to buy a cooker.
beks73 [17]

Answer:

the original price of the cooker is £320 and David has been a deposit of 15% so find 15% of the original price and the deposit is £48

7 0
3 years ago
Can someone please help me with math.
mrs_skeptik [129]

Option c. is the correct answer.

3 0
3 years ago
This is rlly easy but Im to lazy to do it- I mark brainliest.
kkurt [141]

Answers:

A.   6 Large taxis = 42 seats 9 Small taxis = 36 seats = 78  seats in total

  B.  6 Large taxis =  $498 + 9 Small taxis = $450     498+450= $948

   

    C.  5 Large taxis and 10 Small taxis

Step-by-step explanation:

A.   6 Large taxis = 42 seats 9 Small taxis = 36 seats = 78  seats in total

If I did 8 small taxis the total number of seats would be 74, so I did one small taxi more to make it fair. There would be seats for everyone but 3 seats extra

  B.  6 Large taxis =  $498 + 9 Small taxis = $450     498+450=948

   

    C.  5 Large taxis and 10 Small taxis

While the more small taxis there are, the more cheaper it is for Max but the less seats there would be for 75 people, So I did 1 more small taxi and 1 less large taxi.

The total number of seats now is 75 seats which is perfect amount for 75 people

So the total cheaper cost would $915 while still maintaining a fair amount of seats which is 75

3 0
3 years ago
I need the answer please don’t scam with a link I need the answer
Marizza181 [45]

Answer:

the answer is B

Step-by-step explanation:

the inequality is say any number bigger or equal to -5

so -5, -4.5, -3 is the answer.

5 0
3 years ago
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