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Delicious77 [7]
2 years ago
15

Which of the following are accepted without proof in a logical system?check all that apply

Mathematics
1 answer:
igomit [66]2 years ago
4 0
A,and D!! Hope this helps! :)

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Which ordered pair is a solution of the equation? −7x+3y=2
lana66690 [7]
Answer:

(-2/7, 2/3)

step-by-step explanation:
-7x + 3y = 2
x = 0
-7(0) + 3y = 2
3y = 2
/3 /3
y = 2/3
y = 0
-7x + 3(0) = 2
-7x = 2
/-7 /-7
x = -2/7
(-2/7, 2/3)
6 0
3 years ago
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Bill's school is selling tickets to a spring musical. On the first day of ticket sales the school sold 5 adult tickets and 14 st
wariber [46]

Answer: The price of an adult ticket = $6

The price of a student ticket = $12

Step-by-step explanation:

Let the price of an adult ticket be a

Let the price of a student ticket be b.

From the question,

5a + 14b = 198 ...... equation i

10a + 8b = 156....... equation ii

Multiply equation i by 10

Multiply equation ii by 5

50a + 140b = 1980 ...... equation iii

50a + 40b = 780 ....... equation iv

Subtract iv from iii

100b = 1200

b = 1200/100

b = 12

Put the value of b into equation ii

10a + 8b = 156

10a + 8(12) = 156

10a + 96 = 156

10a = 156-96

10a = 60

a = 6

The price of an adult ticket = $6

The price of a student ticket = $12

8 0
3 years ago
Need help ASAP ( frist one branly)!!!!
valentina_108 [34]
Which ones do you need help on?
7 0
3 years ago
Read 2 more answers
What is the volume of the solid figure below? no fake answers
hram777 [196]

You can seperate the prisms then use the formula l*w*h which for the one on top u get V=20 and for the other one is 48 so 20+48= 68 so the volume of the prism is

(☞゚ヮ゚)☞ 68 ☜(゚ヮ゚☜)

8 0
2 years ago
Read 2 more answers
**EXTRA POINTS**
Korvikt [17]

Answer:

(8,-7)

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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