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Arada [10]
3 years ago
13

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

Mathematics
2 answers:
Dvinal [7]3 years ago
6 0
C. 2x3+2=8
3=-2+5
Hope this helped!
kipiarov [429]3 years ago
4 0

Answer:

option C (3, 2)

Step-by-step explanation:

We have to solve the system of equation by substitution method.

2x + y = 8 ------(1)

y = -x + 5 -------(2)

Now we substitute the value of y from equation (2) to equation (1)

2x + ( -x + 5) = 8

2x - x + 5 = 8

x + 5 = 8

x = 8 - 5

x = 3

Now from equation (2)

y = -x + 5

y = - 3 + 5

y = 2

Therefore, option C (3, 2) will be the answer.

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-3y+4x-2=-3y+2(2x-1)
Fofino [41]

Answer:

Move all terms containing y to the left side of the equation.

6y+4x−2=4x−2

Move all terms not containing y to the right side of the equation.

6y=0

Divide each term by 6 and simplify.

y=0

Step-by-step explanation:

7 0
2 years ago
Need help with I ready math
vovangra [49]

Answer:

5(P - 1.00) + 3(P - 0.75)

Step-by-step explanation:

Cost of a package in store A = $P

Discount offered at store A = $1.00

Price paid per package at store A = Cost of a package in store A - Discount offered at store A

= P - 1.00

Cost of a package in store B = $P

Discount offered at store B = $0.75

Price paid per package at store B = Cost of a package in store B - Discount offered at store B

= P - 0.75

Total cost of 5 packages at store A and 3 packages at store B = 5(P - 1.00) + 3(P - 0.75)

4 0
3 years ago
Please answer this question now
Nataly [62]

Answer:

<h2>S = 11.4</h2>

Step-by-step explanation:

To find s we use the cosine rule

That's

s² = SU² + ST² - 2(SU)(ST) cos S

From the question

SU = 5

ST = 13

S = 60°

Substituting the values into the expression we have

s² = 5² + 13² - 2(5)(13) cos 60

s² = 25 + 169 - 130cos 60

s² = 194 - 65

s² = 129

Find the square root of both sides

s= √129

s = 11.357816

We have the final answer as

<h3>s = 11.4 to the nearest tenth</h3>

Hope this helps you

3 0
3 years ago
At Happy Pizza, an 8-inch pizza costs $6.00 and a 16-inch pizza costs $14.00. Which pizza is a better deal?​
V125BC [204]

Answer:

8-inch pizza

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
What is the value of x in the equation 3/2 (4X - 1) - 3x = 5/4 - (x +2)
Leokris [45]

Step-by-step explanation:

3/2(4x-1)-3x = 5/4-(x+2)

6x -3/2 -3x = 5/4 -x -2

3x -3/2 = 5/4-2-x

4x=5/4 -2 +3/2

4x= (5-8+6)/4

4x=3/4

x=3/16

6 0
3 years ago
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