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Marrrta [24]
3 years ago
6

PLEASE HELP QUICK

Mathematics
1 answer:
Masteriza [31]3 years ago
5 0
F(x) = x^2 +2*7x + 40
.. = (x^2 +2*7x +7^2) +(40 -7^2)
.. = (x +7)^2 -9

f(x) = (x +7)² -9

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9+4 third power x (20 -8) divided by 2+6
konstantin123 [22]
Answer: 253.5

9+4=13
--------------------------------------------
13 to the third power = 169
---------------------------------------------
20-8= 12
---------------------------------------------
2+6=8
---------------------------------------------
169 x 12 = 2028
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2028/8 = 253.5 
5 0
3 years ago
The quotient of a secret number and 4 is 9
Anna [14]
Let's call the 'secret number' <em>x</em>.

A quotient is basically a Dividend/Divisor. If the Divisor is 4, we need to find the dividend, which is <em>x</em>.

<em />Therefore:
<em>x/4=9
</em><em />We need to isolate the variable by the multiplication property of equality.
<em>x=36</em>.

As a result, the "secret number" is 36
4 0
2 years ago
Solve for x: |4x + 12| = 16
JulijaS [17]
4x+12=16
4x=4
x=1

or

-(4x+12)=16
-4x-12=16
-4x=28
x=-7

answer Choice C is correct
6 0
3 years ago
Read 2 more answers
Divide the sum of 8 and 12 by 4
Nonamiya [84]

Answer:

12+4/8

Step-by-step explanation:

sum means add and you need to divide 8 by whatever 12 and 4 equal

12+4= 16

16/8=2

2

8 0
3 years ago
Read 2 more answers
Number 8 please it will help a lot
pickupchik [31]
Well it all depends on the object you are using but in this case lets say remote control cars. You can have an example like "we drove the car around the building twice. the first time it was -8 than how fast it was supposed to go. the second time it was 9. In which round was the car faster?" I dont think i helped very much but i hope i did


5 0
3 years ago
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