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marusya05 [52]
2 years ago
11

What's the slope of the line shown in the picture?

Mathematics
2 answers:
faust18 [17]2 years ago
6 0
The slope is negative 2
Black_prince [1.1K]2 years ago
6 0

The slope is -2 b/c it goes through on the right and if it does it a good sign its negative.

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Find f(3) given that f(3) = -x^4 + 3x^3 + x^2 - 8x - 16.
Hitman42 [59]

Answer: -31

<u>Step-by-step explanation:</u>

f(x) = -x⁴ + 3x³ + x² - 8x - 16

f(3) = -(3)⁴ + 3(3)³ + (3)² - 8(3) - 16

     =  -81  +  81     + 9   -  24  - 16

     = -31

6 0
2 years ago
Which expression is equivalent to the following complex fraction? StartFraction 1 Over x EndFraction minus StartFraction 1 Over
Darina [25.2K]

Answer:

\frac{y-x}{x+y}

Step-by-step explanation:

We are given that fraction

\frac{\frac{1}{x}-\frac{1}{y}}{\frac{1}{x}+\frac{1}{y}}

We have to find the expression which is equivalent to given  fraction .

\frac{1}{x}-\frac{1}{y}=\frac{y-x}{xy}

\frac{1}{x}+\frac{1}{y}=\frac{x+y}{xy}

Substitute the values  then, we get

\frac{\frac{y-x}{xy}}{\frac{y+x}{xy}}

We know that

\frac{\frac{a}{b}}{\frac{x}{y}}=\frac{a}{b}\times \frac{y}{x}

Using the property then, we get

\frac{y-x}{xy}\times \frac{xy}{x+y}

\frac{y-x}{x+y}

This is required expression which is equivalent to given expression.

6 0
3 years ago
Read 2 more answers
Sherry swam the length of the community pool 4 times. The pool is 32 feet long.   What is the total distance Sherry swam, measur
andriy [413]
32 x4 = 128 ft

128 x 12 = 1536

Final Answer: 1,536 inches

Hope this helps!! :)
8 0
3 years ago
Read 2 more answers
Together, Aanya and Krish can wash and wax Aanya's car in 50 minutes. Alone it takes Krish ten minutes more than Aanya. To the n
Leto [7]

Answer:

95 ; 105

Step-by-step explanation:

Let :

Aanya's time = x

Krish's time = x + 10

Together = 50

Hence

Aanya's rate = 1/x

Krish's rate = 1/(x + 10)

Together rate = 1/50

Hence,

1/x + 1/(x + 10) = 1 / 50

((x + 10) + x) / x(x + 10) = 1/ 50

(2x + 10)/ x² + 10x = 1/50

50(2x + 10) = x² + 10x

100x + 500 = x² + 10x

x² + 10x - 100x - 500 = 0

x² - 90x - 500 = 0

Using the quadratic equation solver :

x = 95.24 ; x = - 5.24

Time can't be negative

Hence, x = 95 (nearest minute)

It takes Aanya 95 minutes Alone a ND

Krishna (95 + 10) = 105 minutes alone

6 0
2 years ago
86.75 as a fraction how did u get your awnser?
Zielflug [23.3K]
86.75 =86\frac{3}{4}
or as an improper \frac{347}{4}
3 0
3 years ago
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