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AleksAgata [21]
2 years ago
12

PLEASE HELP! SHOW YOUR WORK. DON’T PUT A LINK AS AN ANSWER!

Mathematics
1 answer:
alukav5142 [94]2 years ago
7 0
Https://youtu.be/dQw4w9WgXcQ
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Which number is not a rational number? <br> -5 times 4/11<br> root31<br> 7.608<br> 18.46 continuing
rewona [7]

I think its the second one, the answer does not have a definite and, and cannot be put into a ratio.

3 0
2 years ago
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HELPPPPPPPPPPPPPPPPPPPPPPPP
IrinaVladis [17]

Answer:

16

Step-by-step explanation:

{x}^{2}  - 8x + c

{x}^{2}  + c - 8x

To find the c value c = ( \frac{b}{2})^{2} , divide the coefficient of x by 2 and square the result.

( - 1 \times 4 {)}^{2}

( - 4 {)}^{2}

16

<h3>Hope it is helpful....</h3>
7 0
3 years ago
Thirty-two is the product of nine and a number decreased by four
Arte-miy333 [17]

Answer:

28

Step-by-step explanation:

32 - 9 = 23,

24 + 4 = 28

6 0
2 years ago
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Fill in the missing steps for the derivation of the quadratic formula using the choices below.
kari74 [83]

Answer:

Kindly check Explanation

Step-by-step explanation:

Step 1 : ax^2 + bx + c = 0

Subtract c from both sides

Step 2: ax^2 + bx + c - c= 0 - c

Step 2 : ax^2 + bx = - c

Divide through by the Coefficient of x^2

Step 3: 1/a (ax^2 + bx = - c)

Step 3: x^2 + b/a(x) = - c /a

Pick the Coefficient of term x

Step 4: b/a

Divide the Coefficient by 2 and then square the division

Step 5: (b/a ÷ 2)^2 = (b/a × 1/2)^2 = (b/2a)^2 = (b^2/4a^2)

Add result in step 5 to both sides of the equation in step 3

Step 6: x^2 + b/a(x) + (b^2/4a^2) = - c /a + (b^2/4a^2)

Simplify and factorize

Step 7: (x + b/2a)^2 = (b^2 - 4ac) / 4a^2

Take square root of both sides

Step 8: (x + b/2a) = ±√(b^2 - 4ac) / 2a

Subtract b/2a from both sides and simplify :

Step 9: x = - b ±√(b^2 - 4ac) / 2a

3 0
2 years ago
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Mary is 15 years older then her niece Katie. In 10 years Mary is two times as old as katie. How old are Mary and Katie now?
liraira [26]
15+10 =25 years old(Marry)
Divide it by 2 = 12.5
=13

Marry =25
Niece= 13
6 0
3 years ago
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