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drek231 [11]
3 years ago
6

On Christmas, a shopkeeper needs 820 candles. If each packet contains

Mathematics
2 answers:
dlinn [17]3 years ago
6 0

Answer:

41

Step-by-step explanation:

If the shopkeeper needs 820 candles, and each packet has 20 candles, 820/20 = 41 packets.

kykrilka [37]3 years ago
6 0

Answer:

Step-by-step explanation:

if the shopkeeper needs 820 candles,

each packet has 20 candles

820/20=41

he needs to buy 41 packets  

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Two cards will be dealt off the top of a well-shuffled deck. You have a choice:
Aleksandr [31]

Answer:

i. is the better option.

Step-by-step explanation:

The probability first is a King = 4/52 = 1/13.

The probability second is a Queen = 4/51.

The probability first is a King and second is a Queen = 1/13 *4/51 =  4/663.

So there is a much betert chance  to bet just that the first one is a King

7 0
4 years ago
Sierra had 22 beads. She made three
Zinaida [17]
7. 22 / 3 = 7.3333 . basically just rounded it
3 0
3 years ago
Read 2 more answers
use the elimination method to solve the system of equations. choose the correct ordered pairs 7x+3y=30 and -2+3y=3
Mariulka [41]
7x + 3y = 30
-2x + 3y = 3....multiply by -1
-----------------
7x + 3y = 30
2x- 3y = -3 (result of multiplying by -1)
----------------add
9x = 27
x = 27/9
x = 3

7x + 3y = 30
7(3) + 3y = 30
21 + 3y = 30
3y = 30 - 21
3y = 9
y = 9/3
y = 3

solution is (3,3)
3 0
3 years ago
Point P' is the image of P (-2, 4) under a translation by 2 units to the left and 5 units down. What are the coordinates of P'?
Oliga [24]

Answer:

(-4, -1)

Step-by-step explanation:

"A translation by 2 units to the left and 5 units down" would be: (x,y)\rightarrow(x-2,y-5)

Apply the rule to point P:

(-2,4)\rightarrow(-2-2,4-5)\rightarrow\boxed{(-4,-1)}

P' should be be (-4, -1).

Hope this helps.

4 0
3 years ago
16.
Verdich [7]

Answer: no solutions.

Step-by-step explanation:

get y by itself on one equation.

-4x + y = 3 ... add 4x to each side.

y = 4x + 3

plug in 4x + 3 for y in the other equation.

8x - 2y = 1

8x - 2(4x+ 3) = 1 ... plug in the y value

8x - 8x + 3 = 1 ... distribute the 2

3 = 1 ... solve

3 does not equal 1 so it is no solutions.

6 0
3 years ago
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