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Alona [7]
4 years ago
11

What is the solution of the system?

Mathematics
2 answers:
MrRissso [65]4 years ago
4 0

Answer:

Option A is correct

(-\frac{3}{2}, 4)

Step-by-step explanation:

Given the system of equations:

4x+3y = 6                  ......[1]

2x+2y = 5                   .....[2]

Multiply equation [2]  by 2 to both sides we have;

4x+4y = 10                     ......[3]

Subtract [1] from [3] to eliminate x we have;

4x+4y-4x-3y=10-6

Combine like terms;

y = 4

Substitute this in [1] we have;

4x+12 = 6

Subtract 12 from both sides we have;

4x = -6

Divide both sides by 4 we get;

x = -\frac{3}{2}

therefore, the solution of the given system of equations is:

(-\frac{3}{2}, 4)

Oduvanchick [21]4 years ago
3 0

Answer: its A i took the test


Step-by-step explanation:


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PLSS HELP ME WITH THIS!! 20 POINTS!!
Andre45 [30]

Answer:

total price inluding tax is $43.20

Step-by-step explanation:

pants cost: $40

Tax amount: 8% of $40  -> 40 x 0.08 = $3.20

pants + tax:

$40 + $3.20 = $43.20

7 0
2 years ago
Read 2 more answers
Lee has $1.75 in dimes and nickels. The number of nickels is 11 more than the number of dimes. How many of each coin does he hav
Schach [20]

Answer:

Lee has 19 nickels and 8 dimes

Step-by-step explanation:

hello, I think I can help you with this

Step 1

Let

value of a nickel=$0.05

value of a dime=$0.10

number of nickels=N

number of nickels=D

According to the question data Lee has $1.75 in dimes and nickels.

0.05N+0.1D=1.75,equation(1)

also, the number of nickels is 11 more than the number of dimes.mathematical speaking

N=11+D,equation(2)

Step 2

replace N from equation (2) into equation (1)

0.05N+0.1D=1.75

0.05(11+D)+0.1D=1.75

Now, solve for D

0.55+0.05D+0.1D=1.75

0.15D=1.75-0.55

D=1.2/0.15

D=8

Step 3

replace the value of D into equation(2) to obtain N

N=11+8

N=11+8

N=19

Hence, Lee has 19 nickels and 8 dimes

Have a great day.

5 0
3 years ago
This is the second one that i have no clue how to do lol so pls helppp
LekaFEV [45]

Answer:

1.25

Step-by-step explanation:

5 0
3 years ago
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lyudmila [28]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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What is the product when calculating with roman numerals? DD x C= ?
lapo4ka [179]
D= 500 C= 100 500x500x100= 25000000
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4 years ago
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