Help me on this one i am stuck

Mathematics

1 answer:

dybincka [34]2 years ago

8 0

8/20as well，since the number of green beads and yellow beads is the same，so equal probability

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Ralph’s shirt company sells t-shirts for $7.50 each with a flat rate of $10 for shipping. Frank’s t-shirt company sells t-shirts

kirza4 [7]

If x is a t shirt
10+7,5x : ralph
10x : frank

5 0

3 years ago

Twelve athletes are running a race. A gold medal is to be given to the winner, a silver medal is to be given to the second-place

kykrilka [37]

Answer:

1320

Step-by-step explanation:

We are given that

Total number of athelets are running in race=12

Total number of medals =3

We have to find the total possible number of ways can the 3 medals be distributed.

Total number of ways for choosen gold medal=12

Number of ways for choosen silver medal=11

Number of ways for choosen Bronze medal=10

Total number of possible ways= $12\times 11\times 10=1320$

Hence, total number of possible ways in which 3 medals be distributed=1320

8 0

3 years ago

How much force is needed to accelerate a 70kg car at 10m/s^2?

shepuryov [24]

Momentum (p) is equal to the product of an object's mass (m) and its change in velocity (v).

Change in velocity (v) results in change in momentum (p), which is equal to impulse. Impulse (J) is also equal to an applied force (F) over a period of time (t).

Combining p=mv and J=F t together:

m (v final - v initial) = F t

(2,500 kg) (70 m/s - 30 m/s) = F (10 s)

Solving for F we get:

10,000 N of force

3 0

3 years ago

Simplify the expression -24+2 (y-9)

Gnoma [55]

-42+2y
-24+2(y-9)
-24+2y -18
-24+(-18)=-42
-42+2y

5 0

3 years ago

Read 2 more answers

Find the arc length of a central angle of pi/4 in a circle whose radius is 8 inches

Solnce55 [7]

$arc \ length =\theta*r \ \ \ [\theta= \frac{ \pi }{4}; \ \ r=8] } \\ \\ arc \ length = \frac{ \pi }{4} *8 =2 \pi \ \ in$