2 years ago

How do you represent an unknown quantity?

1 answer:

5 0

Answer: With a variable. A variable is a letter you use in an equation , like this: 7+x=14, X is a classic one but you can use any letter u please! (In my school at least.)

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Is the question asking to see if x = 1, y=-2, and z=2 by solving the three equations?

dybincka [34]

Answer:

2 × 1 +2 +2×2 =8

2+2+4=8

8=8

3×1 +3× -2 + 4×2 =5

3-6+8=5

5=5

1+2 × -2 +2 = -5

1-4+2= -5

-5 = -5

6 0

2 years ago

Which one is prime number 2, 3, 5, 7, 13, 14, 15, 23, 25, 29, 30, 36, 61

soldier1979 [14.2K]

2,3,5,7,13,15,23,and 61 are all prime

5 0

2 years ago

A² +6² = c²<br> Find the length of c:

yanalaym [24]

64+36=c^2
100=c^2
square root both sides for 10=c
10 is your answer

3 0

2 years ago

Read 2 more answers

Nathan packs 30 boxes in 2 hours.how many boxes can he pack in an 10 hour shift

Advocard [28]

Question :

nathan packs 30 boxes in 2 hours.how many boxes can he pack in an 10 hour shift?

30 boxes in 2 hours = 15 box in 1 hour

10 * 15 = 150

150 boxes is your answer

6 0

3 years ago

Read 2 more answers

Find the value of X and Y

IgorLugansk [536]

Answer:

x = 19 , y = 54

Step-by-step explanation:

3x+5 and 6x-14 are linear pair angles, they add up to 180
$(3x+5)+(6x-14)=180\\3x+6x+5-14=180\\9x-9=180\\9x=171\\x=19$
So angle 3x + 5 = 3 (19) + 5 = 62 degrees
angle 62 and angle y+8 are corresponding angles, so they are equal
$y+8=62\\y=54$

8 0

2 years ago