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Genrish500 [490]
1 year ago
14

Solve the quadratic equation 2x^2 + 6 = 8x by graphing.

Mathematics
1 answer:
Semmy [17]1 year ago
3 0

Answer:

D is the right ans after solving eqn we get two value of x and they are 1 and 3

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How many tenths are there in 2.7?
svetlana [45]

Answer:

One,,,,,,,,,,,,,,,,,,,,,,

3 0
2 years ago
Read 2 more answers
Ten less than 3 times a number is the same as that number increased by 4
Olenka [21]
3x - 10 = x + 4 <== ur equation

three times a number.....3x...with the x representing the number
ten less....3x - 10
is the same as...means =
that number (x) increased by 4....x + 4
so we have 3x - 10 = x + 4...

3x - 10 = x + 4
3x - x = 4 + 10
2x = 14
x = 14/2
x = 7....and that number is 7
3 0
3 years ago
Select the correct scientific notation form of this numeral.
ioda

The scientific notation for the number 1063 is 1.063×10³ after using the concept of fraction option (B) 1.063×10³ is correct.

<h3>What is the number?</h3>

A number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers.

It is given that:

The number is 1063

As we know the scientific notation can be written as:

\rm = A\times10^a

1063 can be written as:

= 1063  

= (1063/1000)1000

1.063×10³

Thus, the scientific notation for the number 1063 is 1.063×10³ after using the concept of fraction option (B) 1.063×10³ is correct.

Learn more about the number here:

brainly.com/question/17429689

#SPJ1

8 0
1 year ago
To use an automated teller machine at a certain​ bank, you must enter a 3​-digit ​code, using the digits 1 dash 9. How many 3​-d
3241004551 [841]

Answer:

729 , 3- digit codes are possible

Step-by-step explanation:

To use an automated teller machine at a certain​ bank, you must enter a 3​-digit ​code, using the digits 1 dash 9.

We need a 3 digit code using digits 1 to 9

so total of 9 digits are used

also repetition of digits are permitted

In a 3 digit code, first digit can be any number from 0 to 9

so 9 possible numbers for first digit.

since repetition is allowed so second and third digit also have any number between 0 to 9

3 digit code

------ ,  ------- , --------

9 possibilities for each place

---9--- ,  ----9--- , ----9----

9 *9 *9 = 729

so 729 , 3- digit codes are possible

6 0
3 years ago
Solve for x in the equation x^2-14 x + 31 = 63.
nadya68 [22]

Answer:

x=11.2426

or

x=2.7574

Step-by-step explanation:

3 0
2 years ago
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