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Hoochie [10]
3 years ago
7

Valerie Watkins is preparing walnut and raisin mix. Walnuts cost $2 per pound and raisins cost $3 per pound. She wants to spend

exactly $22.50 for the walnut and raisins, and buy a total of 10 pounds. Solve the linear system where x represents the number of pounds of walnuts and y represents the pounds of raisins. How many pounds of walnuts will she need to buy? X + y = 10 2x + 3y = 22.5
Mathematics
1 answer:
iragen [17]3 years ago
4 0

Answer:

7.5 pounds

Step-by-step explanation:

multiply by 3.

3x+3y=30

2x+3y=22.5.

x=7.5.

7.5+2.5=10.

7.5 pounds of walnuts, 2.5 pounds of raisins.

Hope this helps :D

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4x+4y=-20 and -3x-12y=-60
klasskru [66]

Answer:

(0,-5)

Step-by-step explanation:

3(4x+4y=20)

-3x-12y=-60

12x+12y=60

-3x-12y=-60

9x=0

x=0

4(0)+4y=-20

4y=-20

y=-5

5 0
3 years ago
What is the perimiter of ABC with vertices A (-2,9), B(7-3), and c(-2,-3) in the coordinate plane?
Serggg [28]

Answer:

|AB| = √((7 - (-2))^2 + (-3 - 9)^2) = 15

|BC| = √((-2 - 7)^2 + (-3 - (-3))^2) = 9

|AC| = √((-2 - (-2))^2 + (-3 - 9)^2) = 12

Perimeter = 15 + 9 + 12 = 36

6 0
3 years ago
In a survey about a new immigration law in Georgia, "46% of the 132 Georgia farmers, agricultural processors, and farm service b
Triss [41]

Answer:

The 132 who responded is the SAMPLE.

Step-by-step explanation:

In a survey about a new immigration law in Georgia, "46% of the 132 Georgia farmers, agricultural processors, and farm service businesses who responded said they were experiencing some degree of labor shortage"

So, here the 132 who responded are samples.

Sample is defined as a small part of a surveyed population, that shows what the whole population must be like.

8 0
3 years ago
the door to the clubhouse hgas an area of 1,792 square centimeter. If the length of the door is 56 centimeter, how wide is the d
Bess [88]
A = L * W
L = 56 , W = ?, A = 1,792

Now.
1,792 = 56W
W = 1,792 / 56 
W = 32

The wide of the door is 32 centimeter.

Hope it helps
7 0
3 years ago
Julio's age is 3 times Sally's age plus 2. Sally's age is Julio's age minus 14 what is the difference in their ages?
mojhsa [17]
J = 3S + 2
S = J - 14

S = 3S + 2 - 14
S - 3S = 2 - 14
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S = -12/-2
S = 6

J = 3S + 2
J = 3(6) + 2
J = 18 + 2
J = 20

and the difference is : 20 - 6 = 14 <===
5 0
3 years ago
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