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Ymorist [56]
3 years ago
6

Question 1 (1 point)

Mathematics
2 answers:
NikAS [45]3 years ago
8 0

Answer:

16

Step-by-step explanation:

4(x - 1)2 + 3y

12-4+2+6

8+2+6

10+6

16 i think

valentina_108 [34]3 years ago
5 0

Answer:

16

Step-by-step explanation:

4(3 - 1) 2 + 3(2)

12 - 4 + 2 + 6

8 + 8

16

You might be interested in
Numbers that add to -0.5 and multiply to 1
Oliga [24]
Short Answer
There are two numbers
x1 = -0.25 + 0.9682i   <<<< answer 1
x2 = - 0.25 - 0.9582i   <<<< answer 2 
 
I take it there are two such numbers.
Let one number = x
Let one number = y

x + y = -0.5    
y = - 0.5 - x       (1)
xy = 1               (2)

Put equation 1 into equation 2
xy = 1
x(-0.5 - x) = 1
-0.5x - x^2 = 1               Subtract 1 from both sides.
-0.5x - x^2 - 1 = 0          Order these by powers
-x^2 - 0.5x -1 = 0           Multiply though by - 1
x^2 + 0.5x + 1 = 0         Use the quadratic formula to solve this.

\text{x = }\dfrac{ -b \pm \sqrt{b^{2} - 4ac } }{2a}

a = 1
b = 0.5
c = 1


\text{x = }\dfrac{ -0.5 \pm \sqrt{0.5^{2} - 4*1*1 } }{2*1}

x = [-0.5 +/- sqrt(0.25 - 4)] / 2
x = [-0.5 +/- sqrt(-3.75)] / 2
x = [-0.25 +/- 0.9682i

x1 = -0.25 + 0.9682 i
x2 = -0.25 - 0.9682 i

These two are conjugates. They will add  as x1 + x2 = -0.25 - 0.25 = - 0.50.

The complex parts cancel out.  Getting them to multiply to 1 will be a little more difficult. I'll do that under the check.

Check
(-0.25 - 0.9682i)(-0.25 + 0.9682i)
Use FOIL
F:-0.25 * -0.25 = 0.0625
O: -0.25*0.9682i
I: +0.25*0.9682i
L: -0.9682i*0.9682i = - 0.9375 i^2 = 0.9375

Notice
The two middle terms (labled "O" and "I" ) cancel out. They are of opposite signs.

The final result is 0.9375 and 0.0625 add up to 1
 
7 0
3 years ago
Sneezie's Tissues currently packages
QveST [7]

Answer:

  • 3 times

Step-by-step explanation:

<u>Volume of the pyramid:</u>

  • V = lwh/3

<u>Volume of the prism:</u>

  • V = lwh

<u>Since all dimensions remain as is, the volume of the prism is:</u>

  • lwh / (lwh/3) = 3 times greater
6 0
2 years ago
I NEED HELP THIS IS LATE
slamgirl [31]

Answer:

M=-10

Step-by-step explanation:

To find the sope we use y-y1/x-x1. For this problem, I chose the first two coordinates.

(-33.5)-(-55.6)/1.20-3.45=22.6/-2.25=-10(rounded)

hope this helps!:)

6 0
2 years ago
Help. help.!!!!!!!!!!!!!!!!!!
Shkiper50 [21]

Answer:

2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
You roll a number cube and flip a coin. What is the probability of rolling a number less than 5 and flipping heads? Write your a
pickupchik [31]
For the coin it would be 50%
for the cube it has six sides so it would be 1/6
5 0
3 years ago
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