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daser333 [38]
3 years ago
7

HELP FAST PLEASE!!!

Mathematics
2 answers:
Firlakuza [10]3 years ago
4 0
I hope it isn't too late! Here is what I have.
1B
2D
3A
Lelechka [254]3 years ago
4 0

Answer:

B, D, A are the answers

Step-by-step explanation:

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What is the standard form for a quadratic?
Zigmanuir [339]

Standard Form : f (x) = a(x - h)2 + k

Where in this equation (H,K) is the vortex of the parabola

<u>and there are four other ways to solving these quadratic</u>

1. Factoring

2. Completing the square

3. Your quadratic formula ( f (x) = a(x - h)2 + k )

4. Graphing

3 0
3 years ago
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The product of two numbers is 192. what is the minimum value of the sum of the first value plus twice the second value
VARVARA [1.3K]
Let x and y be the two positive numbers. -  Their product is 192: x *  y  =  192   equation 1

-  the sum of the first plus twice the second is a minimum:  x + 2y

<span>From the first equation, y =  192 / x. 
Substitute that into the second equation:
</span>
 x + 2y = x + 2(<span>192/x ) = x + 384/x

</span>f(x) is minimum when f'(x) = 0 and f"(x) > 0 

f(x)= <span>x + 384/x
</span>
f(x) = 1-384/x^2 

<span>1-384  / x^2 =  0 

x^2-384 = 0 

x^ 2= 354
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4 0
3 years ago
HELLLLLLLLLLLPPPPPPPPP
elena55 [62]

Answer:

there is no quick way around this. U need to plug in -4,2,8 into x value into the function, and see what y returns to

Step-by-step explanation:

7 0
3 years ago
Hans wants to earn more than $51 trimming trees. He charges $7 per hour and pays $5 in equipment fees. What are the possible num
Flura [38]

Answer:

h ≤ 8

Step-by-step explanation:

Hans charges $7 per hour and pays $5 in equipment fees.

$5 is fixed in this case. Let the possible number of hours be h.

According to question,

Atleast means less than equal to. So,

7h-5≤51

Add 5 to both sides.

7h+5-5 ≤ 51+5

7h ≤ 56

h ≤ 8

So, the number of hours be less than equal to 8.

7 0
3 years ago
There are 8 person including a married couple Mr and Mrs Sharma from whom a committee of 4 has to be chosen.In how way can the c
djverab [1.8K]

Answer:

Step-by-step explanation:

1.) 6C4= 15

2.) (1C1)*(6C3)= 20

3.) (2C2)*(6C2)= 15

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3 years ago
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