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Tju [1.3M]
3 years ago
12

Derek bought two new tires for a car

Mathematics
1 answer:
alexandr402 [8]3 years ago
8 0

Answer: $213.96

Step-by-step explanation:

You literally just plus all the numbers together:

(2×69.99)+(2×39.99)

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Four times a number plus six times a number is equal to 8 times a number plus thirty four
Lunna [17]

4x + 6y = 8z +34
4x+6y - 8z = 34


3 0
3 years ago
What the square root of 49/81?
andrezito [222]

Answer:

0.08641975308

Step-by-step explanation:

5 0
3 years ago
Show how you can use repeated subtraction to find 84/6
Assoli18 [71]
84 - 6 = 78,  78 - 6 = 72, 72 - 6 = 66, 66 - 6 = 60, 60 - 6 = 54, 54 - 6 = 48, 48 - 6 = 42, 42 - 6 = 36, 36 - 6 = 30, 30 - 6 = 24, 24 - 6 = 18, 18 - 6 = 12, 12 - 6 = 6, 6 - 6 = 0. Then you see how many times you did - 6. which is 14. 

Hope this helps :)
7 0
3 years ago
Gwen used elimination with multiplication to solve the system:
il63 [147K]
The correct answer for this question is this one:

<span>Gwen used elimination with multiplication to solve the system: 
2x + 6y = 3 
x − 3y = −5 

Her work to find x is shown. Complete the explanation of her error. Then solve the system. If necessary, enter your answer as a reduced fraction. 
2(x − 3y) = −5 --> 2(x-3y) = 2(-5)
2x − 6y = −5 --> 2x - 6y = -10
2x + 6y = 3 --> 2x + 6y = 3
2x − 6y = −5 --> 2x - 6y = -10
4x + 0y = −2 --> 4x = -7
x = −2/4 --> <u>x = -7/4</u>

x - 3y = -5
4(-7/4 - 3y = -5)
-7 - 12y = -20
-12y = -13
<u>y = 12/13</u>


Gwen forgot to multiply the right side by 2. 
What is the solution as an ordered pair</span>
8 0
3 years ago
Help please!
devlian [24]

Answer:

4.8

. i think i am not sure

Step-by-step explanation:

6 0
3 years ago
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