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Alex17521 [72]
3 years ago
11

|4.2 – 6.8| + (2.4 + 7.2) A. 11 B. 12.2 C. 20.6 D. 22

Mathematics
1 answer:
zhenek [66]3 years ago
3 0

12.2 jlasjajlsajlajlzwljdazdazwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww

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Ethan has a total of $5,800. He deposits $4,500 into a savings account which earns an
Anastaziya [24]

Answer:

4.8% of $4,500 = $216

Step-by-step explanation:

use https://www.calculator.net/percent-calculator.html?cpar1=4.8&cpar2=4500&cpar3=&ctype=1&x=112&y=12

it is a calculator for percentages i feel that this will help you out

hope this helps!

4 0
3 years ago
How do you do this problem?
erastova [34]

Based on point P(0,16), we substitute in the parabola to find a.

16=a(0-3)^2-2 => a=(16+2)/9=2

so the parabola is

y=2(x-3)^2-2 ..........................(1)

Solve for zeroes of (1);

0=2(x-3)^2-2 => (x-3)^2=1 => x=2 or x=4

Now the line passes through (0,16), (4,0) => y,x intercepts are 16 & 4.

Using the symmetric form

x/4+y/16=1

4x+y=16 => y=16-4x

8 0
3 years ago
1^2 + 4^2 + 7^2 + ... + (3n - 2)^2 = n(6n^2-3n-1)/2
vlabodo [156]
Use math induction proof method will be usefully 

for n=1 will get 

1^2 = 1(6*1^2 -3*1 -1)/2
1 = 1(6-4)/2
1 = 1(2)/2
1 = 1

suppose true for n=k and prove for k = k+1 

hope this will help you 
7 0
3 years ago
Enter the mixed number 2 35 100 in decimal form.
Ronch [10]
If the mixed number is 2 35/100 then it’s 2.35 but i don’t understand what number ur trying to say so i think it’s 2 35/100=2.35 as ur answer
4 0
2 years ago
Are the lines Y= -X +5 and 2X + 2y=6 perpendicular?
Dafna1 [17]

Answer:

no

Step-by-step explanation:

6 0
3 years ago
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