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Elena-2011 [213]
2 years ago
6

The system of equations: 5x-4y=-3

Mathematics
1 answer:
Sophie [7]2 years ago
5 0

Answer:

3)5x-4y=-3

6x+4y=14

Step-by-step explanation:

The system of equations is given

5x-4y=-3

3x+2y=7

Multiplying both sides of the lower equation by 2, we get

6x + 4y = 14

That means your answer 3)

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Wilma is twice as old as Jamal, and Jamal is 3 years older than Tim. The sum of all their ages is 17.
oee [108]
<span>If x = Jamal's age , 2x = Wilma's age , x - 3 = Tim's age.
The sum of the ages is 17. 
Jamal's age is 5
Wilma's age is 10
Tim's age is 2

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4 0
2 years ago
suppose you have $11000 to invest. which of the two rates would yield the larger amount in 5 years: 6% compounded monthly or 5.8
umka21 [38]

Answer:

  6% monthly

Step-by-step explanation:

The monthly rate being compounded when the interest is 6% per year is ...

  6%/12 = 0.5%

so the multiplier each month is

  1 + 0.5% = 1.005

___

The monthly multiplier when 5.86% is compounded continuously is ...

  e^(5.86%/12) ≈ 1.004895

The 6% rate will give a larger yield after any length of time.

6 0
3 years ago
Evaluate the expression for x = 3, y=13 , and z = 5.
hoa [83]

Answer:

-437

Step-by-step explanation:

x=3,y=13,z=5

12x-3y4x-z

12(3)-3(13)(4)(3)-5

36-468-5

-437

5 0
3 years ago
Here is the final problem jaded
lana [24]

Answer:

x = 12.99

Step-by-step explanation:

Tan(33) = \frac{x}{20}

Tan(33) * 20 = x

12.99 = x

Hope this helps!

7 0
3 years ago
Determine the number of solutions for the equation shown below.
Stolb23 [73]

Answer:

A. 0

Step-by-step explanation:

Nothing can be equal to itself if you subtract 9 from it.

6 0
3 years ago
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