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DiKsa [7]
3 years ago
9

Look at the two equations:

Mathematics
1 answer:
Dvinal [7]3 years ago
8 0

Answer:

- 3x + 6 = 21

- 3x = 21 - 6

- 3x = 18

- 3x \div  - 3 = 18 \div  - 3

x =  - 6

- 3x + 6 < 21

- 3x  < 21 + 6

- 3x < 27

- 3x \div  - 3 < 27 \div  - 3

x >  - 9

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In a small private​ school, 6 students are randomly selected from 17 available students. What is the probability that they are t
Sindrei [870]

Answer:

<u>1/8910720</u>

Step-by-step explanation:

Number of ways they can be chosen :

⇒ 17 × 16 × 15 × 14 × 13 × 12

⇒ 272 × 15 × 14 × 13 × 12

⇒ 4080 × 14 × 13 × 12

⇒ 57120 × 13 × 12

⇒ 742560 × 12

⇒ <u>8910720</u>

Hence, the probability will be :

⇒ P = 1 / number of ways

⇒ P = <u>1/8910720</u>

8 0
2 years ago
What are the solutions of each equation? <br> a. x2 + 4 = 4<br> b. x2 + 16 = 0<br> c. x2 − 49 = 0
OLga [1]

Answer:

a. x=0

b x=-8

c x=49/2

Step-by-step explanation:

a. x2+4=4

subtract 4 from both sides

x2=0

multiply

2x=0

divide by 2

x=0

b x2 + 16 = 0

multiply

2x+16=0

subtract both sides by 16

2x=-16

divide by 2

x=-8

c  x2 − 49 = 0

multiply

2x-49=0

add 49 to both sides

2x=49

divide both sides by 2

x=49/2

5 0
3 years ago
Read 2 more answers
Use the relationship among the three angles of any triangle to solve. Two angles of a triangle have the same
borishaifa [10]

Answer:

51°,51°,78°

Step-by-step explanation:

The sum of angles in a triangle add up to 180°

7 0
3 years ago
What’s the correct answer
Lisa [10]
A would be your answer I believe
6 0
3 years ago
You buy a six pack of Gatorade for $9.00. What is the unit price or the price per bottle?
Viefleur [7K]

Answer:

Price per bottle is 1.5 or $1.50

Step-by-step explanation:

To get price per unit, you just divide the amount of money spent by the items purchased. 9/6 = 1.5

4 0
4 years ago
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