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Margarita [4]
3 years ago
14

PLEASE HELP ME

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0

Answer:

480

Step-by-step explanation:

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Which of the following equations is written in standard form?
marta [7]
Ax + Bx = C is standard form 

Your answer will be C.) -3x + 13y = 25

Hope this helps :)

5 0
3 years ago
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Find the value of x?? Please help!!<br><br><img src="https://tex.z-dn.net/?f=x%20%2B%202%20%3D%20%5Cfrac%7Bx%7D%7B4%7D%20%2B5" i
elena-s [515]

Answer:

<h2>x = 4</h2>

Step-by-step explanation:

x + 2 =  \frac{x}{4}  + 5

Multiply through by 4 to eliminate the fraction

That's

4x + 8 =  \frac{x}{4}  \times 5 + 5 \times 4 \\ 4x + 8 = x + 20

<u>Subtract x from each side</u>

That's

4x  - x + 8 = x - x + 20 \\ 3x  + 8 = 20

<u>Subtract 8 from each side</u>

3x + 8 - 8 = 20 - 8 \\ 3x = 12

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

\frac{3x}{3}  =  \frac{12}{3}

We have the final answer as

<h3>x = 4</h3>

Hope this helps you

3 0
3 years ago
What is a logarithms and give atleast two examples of it.
mart [117]

Step-by-step explanation:

Logarithm is basically the exponent - also called power - to which a base must be raised to produce a given number.

Mathematically, it can be displayed as:

x is the logarithm of n to the base b, if b^{x} = n, in which case we write

x=\log _b\left(n\right)

Lets take the first example,

2^{4}  = 16

as

x=\log _b\left(n\right)

Therefore, 4 is the logarithm of 16 to base 2.

Lets take the second example,

x=\log _2\:64

2^x=64

x = 6

  • Logarithmic functions are basically inverse of exponents.

Here is how they are related to each other:

Logarithm          →         Exponent

\log _b\left(n\right)=x\:        →         n=b^x

  • Logarithms are helpful in displaying large number.        
3 0
4 years ago
Please help me with maths question below
alex41 [277]
By making 80=2x+20 by corresponding angles in parallel lines you find x=30 because 2(30)+20=80
3 0
3 years ago
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What is the x - and y - intercepts of -3y = 7x - 21
frozen [14]

Answer: x-intercept = (3,0); y-intercept = (0,7)

Step-by-step explanation:

-3y = 7x - 21

y = -7/3 x + 7 (divide both sides by -3)

y-intercept = (0,7) (y = mx + b; b is always y-intercept)

0= -7/3 x + 7 (plug in 0 for y to get x-intercept)

-7/3x = -7 (subtract 7 from both sides)

x = 3 (divide both sides by -7/3)

x-intercept = (3,0)

7 0
3 years ago
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