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ira [324]
3 years ago
15

Solve the equation by completing the square. 0=x^2-14x+46

Mathematics
1 answer:
Andru [333]3 years ago
6 0

Answer:

x = 7+√(3), 7-√(3)

Step-by-step explanation:

x^2 - 14x + ___ = -46 + ___

x^2 - 14x + 49 = -46 + 49

(x-7)^2 = 3

√(3) = x-7

x = 7+√(3), 7-√(3)

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Question 5 of 8<br> In arithmetic, variables look like<br> Answer here<br> SUBMIT
Musya8 [376]

Answer:

In arithmetic, variables look like letters.

Step-by-step explanation:

As we know that Mathematical arithmetic deals with numbers and certain properties with them.

Some of the main properties between numbers are as follows:

  • Addition
  • Subtraction
  • Multiplication
  • Division

Variables do not remain constant, so we basically assign a number to a variable with an equal operator denoted by '='.

For example, let us assume a variable x being equal to 7. so it can written as:

x = 7

Let suppose the value of the variable x=7 changes to x=10, then the new value will be:

x = 10

Therefore, the correct answer is:

In arithmetic, variables look like letters.

6 0
3 years ago
Help please..<br>I really need it​
jarptica [38.1K]

Answer:

256

Step-by-step explanation:

V=1/3*π*4^2*7,46=124.993

32000/124.99=~256

4 0
3 years ago
3y+4=-8 what does y equal?
lions [1.4K]

Answer: y=-4

<u>Subtract 4 from both sides</u>

<u></u>3y+4-4=-8-4\\3y=-12<u></u>

<u></u>

<u>Divide both sides by 3</u>

<u></u>3y/3=-12/3<u></u>

<u></u>

<u></u>y=-4<u></u>

6 0
3 years ago
Read 2 more answers
What is the area of a 45 degree sector of a circle with a radius of 12 in.
Elodia [21]

given ,

a circle of radius 12 inches

and \theta = 45°

now we know that ,

\\{Area \: of \: sector =  \frac{\theta}{360\degree}  \times \pi \: r {}^{2} } \\  \\

let's now plug in the values of radius and theta as 12 inches and 45° respectively ,

\\\dashrightarrow \:  \frac{45}{360}  \times  \frac{22}{7}  \times 12 \times 12 \\  \\ \dashrightarrow \:  \frac{1}{8}  \times  \frac{22 \times 12 \times 12}{7}  \\  \\ \dashrightarrow \:  \frac{22 \times 12 \times 12}{56}  \\  \\ \dashrightarrow \:  \frac{3168}{56}  \\  \\ \dashrightarrow \: 56.57 \: inches {}^{2} (approx.)

hope helpful :D

6 0
2 years ago
Write an equation of the direct variation that includes the point (–10, –17).
Ganezh [65]

Answer: i think the answer is 17 x-10y=0

7 0
3 years ago
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