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Lina20 [59]
3 years ago
9

Please answer this correctly

Mathematics
1 answer:
Bezzdna [24]3 years ago
6 0

Answer:

8/25

Step-by-step explanation:

The probability of picking a number less than 9 is 4/5.

The probability of picking an even number is 2/5.

4/5 \times 2/5

=8/25

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W<br>hat is 101/2 dived by 21/4
DerKrebs [107]
The quotient is 202/21 simplified 9 13/21
7 0
3 years ago
Which statements are true about opposites?
olga_2 [115]

Answer:

A and D.

Step-by-step explanation:

Two integers are opposites if they are each the same distance away from 0, but on opposite sides of the number line. For example, 6 and -6 are opposites.

Given a number line of the real number system, the following are true about opposites.

A) opposites are numbers located on opposite sides of 0 on a line number.

For example: -1 and 1 are opposite in which -1 is located to the left of 0 and 1 is located to the right of zero.

(D)Opposites are the same distance from 0 on a number line.

The distance of opposites from 0 on the number line is the same. This is as a result of the fact that the distance from zero is irrespective of the sign.

|-3|=|3|=3

The correct options are A and D.

3 0
3 years ago
Number 8 please help!!
jolli1 [7]

Answer:

y = -2x + 3

Step-by-step explanation:

To write the equation of a line using slope and a point, substitute m = -2 and (2,-1) into the point slope form of a line y - y_1 = m(x-x_1).

y - -1 = -2(x-2)\\y + 1 = -2(x - 2)\\y + 1 = -2x + 4\\y = -2x + 3

7 0
4 years ago
Solve (√7-√3)^2 <br><br> A.) 10-2√21 <br> B.) 4-2√21<br> C. 4<br> D. -4
natulia [17]
The answer is A
10-2sqrt21
7 0
3 years ago
If an egg is thrown up and off the roof of a 100 foot building with an initial upward velocity of 10 feet per second, how long u
Deffense [45]
The equation of the height as a function of time for this case is given by:
 h (t) = - 16t ^ 2 + 10t + 100
 By the time the egg hits the ground we have:
 -16t ^ 2 + 10t + 100 = 0
 We look for the roots of the polynomial:
 t1 = -2.2069555463432966
 t2 = 2.8319555463432966
 As it is about time, we use the positive root:
 t = 2.83 s
 Answer:
 
it hits the ground at:
 
t = 2.83 s
8 0
4 years ago
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