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gayaneshka [121]
3 years ago
7

Any help would be cool thaanks

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

Answer:

I Can help you! what do y need help on?

Step-by-step explanation:

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evaluate the expression 9(a 2b) c for a = –3, b = –2, and c = 1. i kept getting the answer of 10 but it's not one of my choices
den301095 [7]
What grade are u? I'm just asking cause the formulas are going with grade I could help if u want me too
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3 years ago
Find the value of x.
hichkok12 [17]
<h3>Angles sum up to:</h3><h3>( n - 2 ) × 180 = ( 5 - 2 ) × 180 = 3 × 180 = 540</h3>

x + 4x + 4x + 135 + 135 = 540

9x + 270 = 540

9x = 540 - 270 \\ 9x = 270

x =  \frac{270}{9}  = 30

8 0
1 year ago
Need help with these 3 questions please explain how you do It. Thx!
Ilya [14]
1. Observe that the f(t) is change by 4 per time t => there's a acceleration of 4 => f''(t) = 4;  Take the derivative of it we can get a velocity function. f'(t) = 4t + c. Since the velocity from 100 to 80 is -20 (average), this means at t = 0, f'(0) = -22 => f'(t) = 4t - 22; Take the derivative again to get the position function: f(t) = 2t^2 - 22t + d, here d = 100 should be trivial. So, the function that models the relationship is    f(t) = 2t^2 - 22t + 100.

2. By the compound interest formula:
    A = P (1 + r/n)^(nt) , since it's yearly, so n = 1;
    results A(t) = 100 (1+0.12)^t.

3. The average rate of change is basically finding the slope, m = y1 - y2 / x1 - x2.
4 0
3 years ago
A pencil box contains five
KonstantinChe [14]

Answer:

red pencil=5/24

yellow pencil=6/24

Blue pencil=8/24

Orange pencil=3/24

purple pencil=2/24

5 0
2 years ago
Find the balance if $500 is invested earning 4% compounded monthly, after 6 years.
IceJOKER [234]

Answer:

$636

dont trust me im just a 7th grader

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2 years ago
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