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podryga [215]
3 years ago
12

PLEASE HELP!! 4 Digit Lock * Enter 4 digit number code with no spaces

Mathematics
1 answer:
sleet_krkn [62]3 years ago
6 0
3451 now I’m just putting 20 characters to answer lol
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The level of a lake was 8 inches below normal. It decreased 1
solmaris [256]

Answer:

-9\dfrac{5}{8} inches.

Step-by-step explanation:

The level of a lake was 8 inches below normal.

Now, it is given that the water level decreases 1\dfrac{1}{4} = 1.25 inches in June and 2\dfrac{3}{8} =2.375 inches more in July.

Therefore, the new level of water with respect to the normal level will be  

= - 8 - 1.25 - 2.375  

= - 9.625 inches

= -9\dfrac{5}{8} inches. (Answer)

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3 years ago
What's number 5 please I need to know
Natali [406]
Unit Rate is showing 1 pairs and what you can do to get the answer is 12/5.79
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3 years ago
Which term describes a fraction that has a variable or variable expression in its numerator, its denominator, or both?. . A.Vari
yaroslaw [1]
The correct answer is A. rational expression

Rational expression refers to a fraction in which the numerator and denominator are polynomials. Polynomials are variables. So therefore rational expression is the answer to the term that describes a fraction that has a variable or variables expression in its numerator and it denominator or both.   
7 0
4 years ago
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Find the derivative of f(x) = 6 / x at x = -2.
sveticcg [70]

Answer:

Substitute the given value into the function and evaluate.

−3

Step-by-step explanation:

I think I'm not really sure but use math-way it helps a lot

6 0
3 years ago
Write 1/3 x^2 - 4x + 17 in vertex form
Svetradugi [14.3K]

Answer:

f(x)=−4(x+ 41 ) 2 − 4 11

Explanation:

The given function is

f(x) = - 4 {x}^{2} - 2x - 3f(x)=−4x 2 −2x−3

To write the function is vertex form, we need to complete the square.

We first factor -4 to get:

f(x) = - 4 ({x}^{2} + \frac{1}{2} x) - 3f(x−4(x2 + 21 x)−3

Add and subtract the square of half the coefficient of x.

f(x) = - 4( {x}^{2} + \frac{1}{2} x + \frac{1}{16} ) - \frac{1}{4} - 3f(x)=−4(x 2 + 21 x+ 16 1 )− 41 −3

We factor the perfect square trinomial and simplify to get:

f(x) = - 4( {x + \frac{1}{4} )}^{2} - \frac{11}{4}f(x)=−4(x+ 41 ) 2 − 4 11

8 0
3 years ago
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