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Allisa [31]
2 years ago
7

Questions in-the attachments if yk pls help I’ll give brainlist

Mathematics
1 answer:
vovangra [49]2 years ago
7 0
The answer is A

.................
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Gloria had two sets of alphabet cards (A–Z). She mixed the two sets together to form a single stack of cards. Then Gloria drew t
grin007 [14]
She has 52 card all together so she has a probability of drawing on the first draw 4 L's or R's because their are two sets of alphabet cards.  So that is 4/52 or 1/13 to the lowest term.  Second turn she only has 51 cards to draw from and still has 4 L's and R's so that would be 4/51 and on the third try she has only 50 cards left so that would be 4/50 or 2/25 to the lowest term.  Now multiply all three factions 1/13 x 4/51 x 2/25 = 8/16575 meaning out of the three draws she has a probability of getting a L or R, 8 out of 16575 each draw.
3 0
2 years ago
For what value of k are the roots of the quadratic equation kx (x-2)+6=0 equal?​
ser-zykov [4K]

Answer:

\boxed{\sf k=6}

Step-by-step explanation:

\sf kx (x-2)+6=0

Expand brackets.

\sf kx^2 -2kx+6=0

This is in quadratic form.

\sf ax^2 +bx+c=0

Since this is for equal roots:

\sf b^2 -4ac=0

\sf a=k\\b=-2k\\c=6

\sf (-2k)^2 -4(k)(6)=0

\sf 4k^2-24k=0

\sf 4k(k-6)=0

\sf 4k=0\\k=0

\sf k-6=0\\k=6

Plug k as 0 to check.

\sf \sf 0x^2 -2(0)x+6=0\\6=0

False.

So that means k must equal 6.

3 0
3 years ago
On a drawing a triangle has sides that equal 4 cm, 5 cm, and 6 cm. If the scale of the drawing is 1 cm = 10 feet, find the sides
kodGreya [7K]
4 * 10 = 40
5 * 10 = 50
6 * 10 = 60

The side length of the original large triangle are 40 feet, 50 feet, and 60 feet.
4 0
3 years ago
Read 2 more answers
I spent a total of $9.25 bowling. I rented bowling shoes for $ 2.50 and bowled 3 games each game cost the same amount create an
JulsSmile [24]
$2.50+3x=$9.25, if you need to work it out, then you do $9.25-$2.50. You take your answer and divide by three... whatever your solution is, equals X. There you go! 
4 0
3 years ago
2. The cost of having a window fixed is $100 plus $20 per hour of labor. Using h for the number of hours of labor, write an expr
ahrayia [7]

Answer:

the third one

Step-by-step explanation:

I hope this helps with your question :)

5 0
2 years ago
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