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Afina-wow [57]
3 years ago
8

Which ordered pair is a solution to the linear equation -3x+2y=4?

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
8 0
-x+y-3z+4w=6^"dfv
+xd-y+23z=0
so x=1 and y=3
denis23 [38]3 years ago
6 0

Answer:


Step-by-step explanation:

Substitute x= 0

-3(0) +2y = 4

2y = 4

y = 4/2

y = 2

and then substitute y=2 into eq.

-3x +2y = 4

-3x +2 (2) = 4

-3x +4 = 4

-3x = 0

3x = 0

x = 0

Check result: x = 0 y = 2

-3x + 2y = 4

-3 (0) + 2 (2) = 4

0 + 4 = 4

4 = 4 therefore x and y correct.

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nlexa [21]

Answer:

x = \frac{5}{4}

Step-by-step explanation:

Given

4x + 6 = 11 ( subtract 6 from both sides )

4x = 5 ( divide both sides by 4 )

x = \frac{5}{4} = 1.25

4 0
3 years ago
Read 2 more answers
Suppose that the local sales tax rate is 6.25% and you purchased a used car for $16,800. What is the car’s total cost?
Tanzania [10]
Total= Car Cost + (Car Cost * Tax %)

Total= $16,800 + ($16,800 * 6.25%)
convert % to decimal form; divide % by 100

Total= $16,800 + ($16,800 * 0.0625)
multiply inside parentheses

Total= $16,800 + $1,050

Total= $17,850


ANSWER: The total cost for the used car with tax is $17,850.

Hopd this helps! :)
7 0
4 years ago
Read 2 more answers
Katrin is making a poster for school elections. She draws a line 20.4 cm long across the poster board. She starts at one end of
nevsk [136]
Well, to find out how many times 20.4 can split into 3.4, you need to divide 20.4÷3.4 and you will get 6, and Katrin (K-A-T-R-I-N) is 6 letters, so you have enough room, the answer is yes.
3 0
3 years ago
Plot the flowing points on the number line without measuring.​
N76 [4]

Answer:

1/4, 3/5, 8/10

Step-by-step explanation:

3/5 is greater than 1/4

(2/4 is equal to 2.5/5---that should give you a visual picture why)  

8/10 is greater than 3/5

3/5 multipled by 2 is 6/10

so, 6/10<8/10

3 0
3 years ago
Read 2 more answers
The number a times 10 to the power of negative 2 is about 8 times greater than b times 10 to the power of negative 3. Find the c
bezimeni [28]

Answer:

c

Step-by-step explanation:


7 0
3 years ago
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