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zloy xaker [14]
3 years ago
6

Which equation is equivalent to the given equation? -2x² + 10x - 12 = 0

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0

Answer:

if trying to solve the equation  the answer is 2, 3,

Step-by-step explanation:

See the image below:)

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the tickets for a benefit concert were $6 for friday night and $8 for Saturday night. the total attendence for the two nights wa
aksik [14]

Answer:

432 people on Friday and 658 on Saturday

Step-by-step explanation:

Lets use variables for each day

x=Friday and y=Saturday

now write two equations since you were given two different information (money and people)

$6 on Friday and $8 on Saturday with a total amount of $7856

the equation will be 6x+8y=7856

now the second equation will be for people

x amount of people on Friday and y amount of people on saturday for a total of 1090; the equation will be

x+y=1090

put them together

6x+8y=7856

x+y=1090

now you can cancel a variable but manipulating one of the equations. We'll use x, to cancel x you need make it zero so multiply the bottom by -6

6x+8y=7856

-6(x+y=1090)

6x+8y=7856                   now subtract downwards, with the x cancelling

-6x-6y=-6540

2y=1316                          simplify

(2y/2)=(1316/2)              

y=658

                                       insert y into x+y=1090

x+(658)=1090

    -658   -658

x=432

7 0
4 years ago
Is it true 4 and -4 have a sum of 0
mafiozo [28]

Answer:

Yes, 4 + -4 = 0.

Think of it like a number line: The number four is 4 units to the right of the center which is 0, and the number negative four is 4 units to the left of the center. When you add them together, those distances cancel out, and you just get 0.

3 0
3 years ago
The sum of four consecutive integers is 386. What is the fourth integer?
Licemer1 [7]

The 4 consecutive integers are 95, 96, 97 and 98.

The fourth integer is 98.

<u>Step-by-step explanation:</u>

Let us consider the 4 consecutive integers to be 'x' , 'x+1' , 'x + 2' , 'x + 3'  

The sum of the 4 consecutive integers= 386

x + (x+1) + (x+2) + (x+3) = 386

4x + 6 = 386

4x = 380

x = 380/4

x = 95

x+1 = 96

x+2 = 97

x+3= 98

The 4 consecutive integers are 95, 96, 97 and 98.

The fourth integer is 98.

6 0
4 years ago
For the probability distribution shown, what is P (3 &lt; X &lt; 6)?
Damm [24]

Answer: 0.3,I just took that test

7 0
3 years ago
Write a complete sentence that describes the meaning of h(8)=48
dusya [7]
If h(8)=48 that means that h=6 because 6 multiplied by 8 equals 48.
4 0
4 years ago
Read 2 more answers
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