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Minchanka [31]
3 years ago
11

The hypotenuse of a 30°-60°-90°

Mathematics
1 answer:
kramer3 years ago
3 0

asdfghjklqwertyuiohcjbahckdsahcajdnc

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Log (w2+21) - log (10)
UNO [17]

Answer:

w =7\ or\ w =3

Step-by-step explanation:

Given

The right question is:

\log(w^2+ 21) = \log(10w)

Required

Solve for w

\log(w^2+ 21) = \log(10w)

Cancel log on both sides

w^2+ 21 = 10w

Equate to 0

w^2 - 10w+ 21 = 0

Split

w^2 - 3w - 7w+ 21 = 0

Factorize

w(w - 3) - 7(w-3) = 0

Factor out w - 3

(w - 7)(w-3) = 0

Solve for w

w - 7 = 0\ and\ w - 3 = 0

w =7\ or\ w =3

6 0
3 years ago
Which of the following is equal to the rational expression when x does not equal -3 x^2-9/x+3
mestny [16]

Answer:

x - 3

Step-by-step explanation:

Given

\frac{x^2-9}{x+3}

Note that x² - 9 is a difference of squares and factors as

x² - 9 = (x + 3)(x - 3), thus

\frac{(x+3)(x-3)}{x+3}

Cancel the x+ 3 factor on the numerator/ denominator leaving

x - 3 ← in simplified form

8 0
3 years ago
What is the slope of the equation c=2m+40
kkurt [141]

Answer:

Slope is m = 2

tep-by-step explanation:

7 0
3 years ago
Read 2 more answers
How to solve 4/3 + 5/4​
ExtremeBDS [4]

Answer:

Step-by-step explanation:

First, you need to get a common denominator.

You can do this by multiplying each fraction by 3 or 4.

See,

4/3 * 4/4=16/12

5/4 * 3/3=15/12

16+15=31

31/12

6 0
3 years ago
Read 2 more answers
What 2 numbers multiply to-48 and add to -22​
Likurg_2 [28]

Answer:

-6 and 8

Step-by-step explanation:

8 0
3 years ago
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