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Alchen [17]
3 years ago
13

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Mathematics
1 answer:
Solnce55 [7]3 years ago
7 0
On the first day of school last year, Cody was 148.5 cm tall.
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move -2.25 on the x axis and 2/3 on the y form the origin

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3 years ago
PLEASE HELP ME ASAP
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Answer:

Radius r=0.30m, Velocity, v=36m/s

(a) angular speed w=

r

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0.3

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(b) final angular speed w

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From rotational kinematics w

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0−14400=2α×40×2π

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2

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2 years ago
An online shopping club has 10,000 members when it charges $7 per month for membership. For each $1 monthly
Sonja [21]

Answer:

The function that can be used in the online shopping club about its monthly revenue is:

R = -400x^{2} +7200x+70000

Step-by-step explanation:

First, we're gonna take into account the different values we have in the exercise:

  1. 10,000 members
  2. $7 per month for membership
  3. Loses of 400 members by each $1 monthly increase

How the variable x represents the price increase, we can do the formula below:

  • (10000 - 400x) * (7+x)

In this formula, we represent in the first part that by each 1 in the variable x, the total of members will be reduced in 400, in the second part, we mention that at the same time, the membership fee will be increased in the same value of x. Now we must simplify this function:

  • (10000 - 400x) * (7+x)

We operate the values:

  • 70000+10000x-2800x-400x^{2}

Solve we can:

  • 70000+7200x-400x^{2}

And organize:

  • -400x^{2} +7200x+70000

At the end, how R represents the monthly revenue received by the club, we use that variable for our formula:

  • R=-400x^{2} +7200x+70000

4 0
2 years ago
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steposvetlana [31]

1n=n Answer:

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3 years ago
The probability of A is 7/20, the probability of A intersection B is 49/400 what is the probability of B?
tino4ka555 [31]

Answer:

n(A)+n(B)-49/400=n(AUB)

n(B)=1-7/20+49/400

n(B)=(400+49-140)/400

n(B)=309/400

5 0
3 years ago
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