MATHEMATICS MIDDLE SCHOOL

Help plz i want help

Answers

Answer 1

Answer:

Answer:

1/3

Step-by-step explanation:

There are 9 possible outcomes

We want the ones that have the same color which are GG , YY or BB

P ( same color) = number of same color outcomes / total outcomes

= 3/9

=1/3

Answer 2

Answer:

Answer:

1/3

Step-by-step explanation:

3/9, simplify to 1/3

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The spinner is divided into equal parts. Use a tree diagram to find the probability that the spinner will land on a consonant the first time and a vowel the second time if the spinner is spun twiceA:2/3B:2/9C:3/4D:5/9

In a science class students learn that friction is the resistance to motion when two objects rub together the students decide to desing an expirement at home to compare friction on a dry and icy surfaces which question is most beneficial for this type of investigastion

Answers

Which surface has the most friction?

How do you simplify 6(x-2)+7(x+2)

Answers

6x-12+7x+14
13x+2

Not sure if this is right?

6(x-2)+7(x+2)
Distribute
6x-12+7x+14
Combine like terms
13x+2

electric eel has a length of 1.84 meters what fraction is equivalent to the length of the electric eel in meters

Answers

1.84 = 184 / 100 Divide top and bottom by 2

92 / 50 Divide top and bottom by 2

46 / 25

So either 184/100 or 92/50 or 46/25 is equivalent to 1.84

If you use the function on a TI 36X that looks like two arrows pointing away from each other, it tells you that 1.84=46 over 25, or 46/25.

seth and Brian ran the 200 yard dash at the track meet. Brian reached the finish line in 30 seconds. Seth ran 25 feet per second. who finished the race first? explain your reasoning.

Answers

ok so we know that brian took 30 seconds to finish the race, but we don't know how long seth took. The problem told us the race was 200 yards and that seth ran 25 feet per second. From those two pieces of information, we can figure out how many seconds it took seth to run 200 yards. Since the problem told us he ran 25 FEET per second, we will convert the length of the track from yards to feet. There are 3 feet in a yard, so the track is 600 feet. Since he ran 25 feet per second, if we divide the length of the track by the speed he ran, we will get how long it took him to run. So 600 divided by 25 will give us 24 seconds. So Brian ran the race in 30 seconds and Seth ran it in 24, so Seth ran the race the fastest!

$30 to $50 what is the markup percent

Answers

the markup percent is $15

The width of a computer monitor is 30 cm. If the perimeter is 144 cm, what is the area of the computer monitor?

Answers

$perimeter= 144 \ cm\n width : \ w= 30 \ cm \n length: \ l= ?\n \nPerimeter = 2 w + 2l \n \n144=2 \cdot 30 +2l \n \n 144=60+2l$

$2l=144-60 \n \n2l=84 \ \ /:2 \n \n l=42 \ cm \n \nArea = l\cdot w \n \nA=42*30 =1 260 \ cm^2 \n \nAnswer : \ area \ of \ the \ computer \ monitor : 1260 \ cm^2$