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Alex
3 years ago
12

X^2=4 square root property

Mathematics
1 answer:
Olin [163]3 years ago
7 0

{x}^{2}  = 4 \\  x  =  \sqrt{4}  \\  x = 2
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1. Consider drawing a single card from a well shuffled 52-card deck. Let E1 be an event of getting a heart card and E2 be an eve
Paraphin [41]
<span>1) Find P(E1UE2)
E1 probability= 1/2</span>
<span>There are 26 red cards in a 52 card deck, so the probability of choosing a red card is = 26/52 = 1/2
E2 probability= 12/ 52 or 3/13</span>
<span>The face cards are: Jacks, Queens, and <span>Kings. There are four suits, so in each suit there are one jack, one queen and one king. The probability is 3 x 4= 12 divided by the total number of cards.

2)</span></span><span>the probability of drawing a blue ball on the first draw: 4 /10
</span>the probability of drawing a white ball on the second drawn: 6/9 (because there is less one ball from the previous draw).
the probability of the cases together is 4/15 ( 4 /10 x 6/9) <span>since they are independent cases.</span>
6 0
3 years ago
24=9x+4-4x <br> Solve equation. Check your answer.
sammy [17]

Answer:

x=4. Verified, Not wrong.

Step-by-step explanation:

24=9x+4-4x

24 = 5x+4

20-4

5x=20

(divide)

x=4

5 0
2 years ago
Read 2 more answers
Anyone please help:&lt;
insens350 [35]

Answer:

y= 4x^2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
List the measurements with units of kilometers, centimeters, and
USPshnik [31]

Answer:

0.004 km; 400 cm; 4000 mm

Step-by-step explanation:

1 km = 1000 m

1 = (1 km)/(1000 m)

4 m * (1 km)/(1000 m) = 4/1000 km = 0.004 km

1 m = 100 cm

1 = (100 cm)/(1 m)

4 m * (100 cm)/(1 m) = 400 cm

1 m = 1000 mm

1 = (1000 mm)/(1 m)

4 m * (1000 mm)/(1 m) = 4000 mm

Answer: 0.004 km; 400 cm; 4000 mm

5 0
3 years ago
Yes we did learn 1 and 2 step equation this should be a piece of cake
ANTONII [103]
What do you need help with?

6 0
3 years ago
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