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hammer [34]
3 years ago
6

First 2 common multiples of 8 and 9

Mathematics
2 answers:
Alik [6]3 years ago
7 0
The first two common multiples of 8 and 9 are 72 and 144!
RSB [31]3 years ago
3 0
8:0,8
9:0,9

Hope this helped
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Parallel lines in space are coplanar.<br> a. always<br> b. sometimes<br> c. never
Katyanochek1 [597]
B. Sometimes because in learned that it isn't always that way.
3 0
3 years ago
1. Michael buys a chocolate bar which has 50% extra free. The chocolate bar usually weighs 200g. (a) How much extra chocolate do
KiRa [710]

Answer:

1/2 more chocalte or 50% more or 100g more

300g is the new weight

Step-by-step explanation:

200/2=100(50%)

100+200=300g

5 0
2 years ago
chad randomly chooses a card from a standard deck 30 times. what is the probability he gets a diamond exactly 4 times
Margarita [4]

Answer:

From a standard deck of cards, one card is drawn. What is the probability that the card is black and a jack? P(Black and Jack) P(Black) = 26/52 or ½ , P(Jack) is 4/52 or 1/13 so P(Black and Jack) = ½ * 1/13 = 1/26 A standard deck of cards is shuffled and one card is drawn. Find the probability that the card is a queen or an ace.

Step-by-step explanation:

4 0
3 years ago
A square kitchen tile has sides that are 7inches long. What is the tiles perimeter
Kamila [148]

Answer: 28 Inches

Step-by-step explanation:

First draw a square for this. Since the kitchen tile is a square, we only need one side of the shape which in this case it 7in. Then you take this number and input it on all sides. You should have 7in on all sides. Next you write this equation: 7+7+7+7 or 7x4. This will then give you the answer 28. So, the perimeter of the kitchen tile is 28 inches.

4 0
3 years ago
H=255-21t-16t^2<br><br> PLEASE HELP!!
Colt1911 [192]

Answer:

3.15 seconds is the answer.

<u>Explanation</u>

when the ball touches the ground, h =0

hence,

0=255-21t-16t²

16t²+21t-225=0

here a=16 ,b=21, c= -225

t=   \frac{ - b± \sqrt{ {b }^{2}  - 4ac} }{2a} \\  \\ t=   \frac{ - 21± \sqrt{ {21}^{2}  - 4 \times 16 \times  - 225} }{2 \times 16} \\  =  \frac{ - 21 ± \sqrt{441 - ( - 14400)} }{32} \\  =  \frac{ - 21± \sqrt{14841} }{32}  \\  =  \frac{ - 21±121.82}{32}  \\  \\ t =   \frac{ - 21 + 121.82}{32}  \: or \:  \: t =  \frac{ - 21 - 121.82}{32}  \\ t = 3.15 \:  \: or \:  \: t =  - 4.46

time cannot be negative, hence t = -4.46 can be avoided

The ball takes 3.15 seconds to hit the ground.

4 0
3 years ago
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