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alisha [4.7K]
3 years ago
15

Evaluate the expression -2+49 ÷ (-7)​

Mathematics
1 answer:
Viktor [21]3 years ago
5 0

Answer: It should equal this ,-2+49÷(-7)=-9 !

Step-by-step explanation:

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Write an equation of the line below<br> (0,-4) and (5,-6)
11111nata11111 [884]
What kind of equation?
6 0
3 years ago
Wo cards are drawn without replacement from standard deck of 52 cards. What is the probability that the first card is a club and
iren2701 [21]

Answer:

"13 / 204 ; No, they are dependent events "

Step-by-step explanation:

The probability of getting a club at first throw is simply total number of clubs divided by total number of cards in the deck.

Total clubs is 13

Total cards in deck is 52

Hence, P(clubs) = \frac{13}{52}

<em>Since the first card IS NOT replaced, the deck has now 51 cards. We want probability of diamond. There are still 13 diamonds, so probability of diamond now would be 13/51</em>

<em />

Hence, Probability that first card is a club and the second card is a diamond should be 13/52 MULTIPLIED by 13/51

P(1st Club, 2nd Diamond) = \frac{13}{52}*\frac{13}{51}=\frac{13}{204}

<u></u>

<u>Note: </u>They are dependent events since we are calculating probability without replacement. The first draw affected the total number of cards in the 2nd draw.

2nd answer choice is right.

8 0
3 years ago
Help with Area of a sector
Maurinko [17]
Area 1 = 175.84
area 2 = 156.30

area 1: A=(pi)r^2 x 140/360
in this case we would use the degree of the entire circle and the degree of the sector since it is not given.

area 2: A=(pi)r^2 x 280/360
in this case we would use the degree of the entire circle and the degree of the sector since it is not given.
8 0
3 years ago
Is the equation 3+z= -9 true false or open
Harrizon [31]
Subtract 3 from both sides

(z = -9 - 3)

Simplify -9 - 3 to -12

z = -12

3 + -12 = -9 so this is true.
6 0
3 years ago
Read 2 more answers
Help ASAP . i will give you points please !​
Pachacha [2.7K]
It should be 150, 110+100=210 mines 360 equals 150
5 0
3 years ago
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