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pickupchik [31]
2 years ago
11

4x+3y=6

Mathematics
1 answer:
sattari [20]2 years ago
5 0

Answer:

D

Step-by-step explanation:

4x + 3y = 6

-4x + 2y = 14

0 + 5y / 5 = 20/ 5 = 4 = y

4x + 3(4) = 6

4x + 12 - 12 = 6 - 12

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

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a store is having a sale on chocolate chips and walnuts. for 9 pounds of chocolate chips and 7 pounds of walnuts, the total cost
Ratling [72]

Answer:

The cost for each pound of chocolate chips is $2.75 and the cost for each pound of walnuts is $3.75.

Step-by-step explanation:

9x+7y=51

3x+5y=27

----------------

9x+7y=51

-3(3x+5y)=-3(27)

-------------------------

9x+7y=51

-9x-15y=-81

-------------------

-8y=-30

8y=30

y=30/8

simplify,

y=15/4

9x+7(15/4)=51

9x+105/4=51

9x=51-105/4

9x=(204-105)/4

9x=99/4

x=(99/4)/9

x=(99/4)(1/9)=99/36

simplify

x=2.75

So the cost for each pound of chocolate chips is $2.75 and the cost for each pound of walnuts is $3.75.

7 0
3 years ago
18. The sum of 'l6, /3, and 'Is is
lys-0071 [83]

Answer:

wn work

Step-by-step explanation:

3 0
3 years ago
What is the height of the trapezoid ? A) 3units B) 5units C) 10units D) 12units
zheka24 [161]

Answer:

b) 5

Step-by-step explanation:

6+10=16

40 times 2 = 80

80 div by 15 = 5

5 0
3 years ago
Read 2 more answers
Determine if is y=3x^2+2x-3 linear, quadratic, or exponential.
podryga [215]

Answer:

it is quadratic

Step-by-step explanation:

a quadratic graph should look like this

MARK BRAINIEST IF IT HELPS

6 0
2 years ago
Which card on the bottom is the statement and which 3 cards are the reasons?
kenny6666 [7]

Answer: ↓↓↓

Step-by-step explanation:

1. EF || HG, HE || FG

2. Reflexive Property

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4. SAS

8 0
2 years ago
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