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Montano1993 [528]
3 years ago
14

What 2 numbers add up to 23 and multiply to -126

Mathematics
1 answer:
Pie3 years ago
6 0
I don't think that's possible.
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Which statements are true about the figure? Check all that apply.
ki77a [65]

Answer:

1,3,5

Step-by-step explanation:

4 0
2 years ago
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Using the equation representing the height of the firework (h = -16t2 + v0t + h0), algebraically determine the extreme value of
lubasha [3.4K]
-16t^2 + v0t + h0

=  -16(t^2 - 1/16 v0t)  + h0
 = -16 [(t - 1/32v0)^2 - (1/32 v0)^2 ) + h0
 = -16(t - 1/32v0)^2 + 1/64 (v0)^2 + h0   which is the vertex form 

The vertex  is at the point (1/32v0, 1/64 (v0)^2)

1/32v0  represents the time  when the firework is at its maximum height and 1/64 (v0)^2  is this maximum height
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2 years ago
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Which statements are true according to the order of operations?
SVEN [57.7K]
To solve these you have to follow the orders of operation(BEDMAS), which means brackets, exponents, division, multiplication, addition, subtraction all in that order. 
A) This is false. 7x6+4=46 and does not equal 7x10 or 70.
B) This is false as well. The answer haste be 19 and 16-(4+7) does not equal 19. You add up what is in the brackets first and then subtract.
This means that C and D have to be true. 
C) 10+(6/3)=12
10+2=12 True
D) 2+5x7=37
2+35=37
Also true
8 0
2 years ago
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Solve the equation x^2+6x= -11/4
xxTIMURxx [149]

Answer:

Step-by-step explanation:

First, move the -11/4 to the other side, so the expression can equal 0.

x^2+6x+11/4=0

To make the equation easier to work with, multiply both sides by 4, cancelling out the fraction.

4x^2+24x+11=0

There are many ways to solve a quadratic equation (factoring, quadratic formula, completing the square).

Solving this equation by factoring is the easiest. Factoring with a leading coefficient greater than one can be difficult and there are many ways to accomplish it. The way I'm going to do it is to first find the factors of 4x^2 and then the factors of 11. And then multiply across, add the middle terms (derived from multiplying) and try to make it equal 24x.

4x^2:      24x         11:

2x         22x          11

2x           2x            1

           24x (works)

I'll then take the factors diagonal. (2x+1)(2x+11)=0

So x=-\frac{1}{2}, -\frac{11}{2}

8 0
1 year ago
A quiz consists of 770 true or false questions. If the student guesses on each question, what is the mean number of correct answ
Svet_ta [14]

Answer: you have a 50/50 chance of getting it right, so basically the number would be 385. half of 770 is 385.

Step-by-step explanation: im built different

7 0
3 years ago
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