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Kisachek [45]
3 years ago
8

Y= 2/3x -1 y= -x + 4

Mathematics
2 answers:
blondinia [14]3 years ago
6 0

Answer:

x=3\\y=1

Step-by-step explanation:

To solve the system of equations you must apply the proccedure shown below:

- Make both equations equal to each other.

- Solve for x.

Then:

\frac{2}{3}x-1=-x+4\\\\\frac{2}{3}x+x=4+1\\\\\frac{5}{3}x=5\\5x=5*3\\x=\frac{15}{5}\\\\x=3

- Substitute the value of x obtained into any on the original equations to find y:

y=-3+4\\y=1

SVETLANKA909090 [29]3 years ago
6 0

Answer:

The solution is x = 3 and y = 1.

Step-by-step explanation:

We have given a system of equations.

y= 2/3x -1                    eq(1)

y= -x + 4                      eq(2)

We have to find the solution of given equations.

Equating above of equations, we have

2/3x-1  = -x+4

2/3x+x  = 4+1

5/3x  = 5

5x  = 15

x  = 3

Putting the value of x in eq(2), we have

y  = -3+4

y = 1

Hence, the solution is x = 3 and y = 1.

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Brandon buys a radio for $43.75 in a state where the sales tax is 7%.
Nastasia [14]

Answer:

Tax: $3.06

Step-by-step explanation:

7% of 43.75 = 0.07 × 43.75 = 3.0625

43.75 increase 7% =

43.75 × (1 + 7%) = 43.75 × (1 + 0.07) = 46.8125

Radio: $43.75

Tax: $3.06

Total: $46.81

4 0
3 years ago
Put calculations!<br><br>[(18 + 3 · 2) ÷ 8 + 5 · 3] ÷ 6.<br><br>Help me!​
Hatshy [7]

Answer:

3

Step-by-step explanation:

Following the rules of bedmas, we have to solve the brackets first.

[(18 + 3 · 2) ÷ 8 + 5 · 3] ÷ 6

[(18 + 6) ÷ 8 + 5 · 3] ÷ 6

[(24) ÷ 8 + 5 · 3] ÷ 6

- Now divide and multiply the values in the brackets.

(3 + 15) ÷ 6

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= 3

3 0
3 years ago
{5,9,13,17,21,25,...}<br>How to write condition set?​
mojhsa [17]

Answer:

4

Step-by-step explanation:

the difference between the numbers is 4

4 0
3 years ago
Write the following coordinates where they belong in the line segments below. (5 1/2, -4 1/4) _______ (3 3/4, -1 1/4)
Ket [755]

ANSWER

(4 \frac{5}{8} , -  2\frac{3}{4} )

EXPLANATION

The end points of the segment are:

(5 \frac{1}{2} ,-4 \frac{1}{4} )

and

(3 \frac{3}{4} ,-1 \frac{1}{4} )

The box represents the midpoint of the two points.

Using the midpoint formula;

( \frac{x_1+x_2}{2} , \frac{y_1+y_2}{2} )

We substitute the end points of the line segment to obtain,

( \frac{5 \frac{1}{2} +3 \frac{3}{4} }{2} , \frac{ - 4 \frac{1}{?} + - 1 \frac{1}{4} }{2} )

This simplifies to:

( \frac{37}{8} , -  \frac{11}{4} )

We convert back to mixed numbers to get,

(4 \frac{5}{8} , -  2\frac{3}{4} )

The correct choice is B

3 0
3 years ago
Which is bigger 0.17meter or 0.165 meter
-BARSIC- [3]
I believe it is 0.165.
5 0
3 years ago
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