3 years ago

Eachratio stars n squares

1 answer:

3 0

There are 400 students in a school. In Zachary's class, 18 out of 30 students participate in after-school activities. Based on Zachary's class, about how many students in the school are predicted to participate in after-school activities?

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This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the t

goldenfox [79]

Answer:

2(6.3) + b = 15.7

12.6 + b = 15.7

b = 3.1

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3 years ago

Combine like terms 9-5=9x-6x

4vir4ik [10]

Answer:

4 = 3x

Step-by-step explanation:

9-5=9x-6x

Combine like terms

4 = 3x

We can solve for x

Divide by 3

4/3 = 3x/3

4/3 =x

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3 years ago

Manny Brought a brand new car in 2012 for $28750. if the car depreciates by 12% each year, write n exponential function to model

alexira [117]

The formula for exponential decay is
$y=a(1-r)^{x}$

where a is the initial value (28750)
r is the rate of decrease (0.12)
x is the time, in this case in years (6 . 2018-2012 = 6 years)

$y=28750(1-0.12)^{6}$

<span>y </span>≈ <span>13351.62</span>

8 0

3 years ago

If you flip a coin and roll a 6-sided die, what is the probability that you will flip a heads and roll a 1

Novosadov [1.4K]

P(H)=1/2, P(1)=1/6

P(H and 1)=(1/2)(1/6)=1/12 (≈8.33%)

4 0

3 years ago

Read 2 more answers

What is 2 1/4 + 3 2/4

Daniel [21]

Answer:

5 7/12

Step-by-step explanation:

have a great day :)

7 0

2 years ago