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2 years ago

What are the slope and y-intercept -3x-8y=10

Mathematics

2 answers:

Naily [24]2 years ago

7 0

-3x - 8y = 10
-8y = 10 + 3x
8y = -3x - 10
y = -3/8x - 10/8

slope = -3/8
intercept = -10/8

choli [55]2 years ago

5 0

The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.

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Y=-2x²-8x-5 domain and range

Jobisdone [24]

Answer:

Domain: All real numbers

Range: y≤3

Step-by-step explanation:

The given function is

$y = - 2 {x}^{2} - 8x - 5$

This is a polynomial function.

The domain is set of all values of x, that makes this function defined.

Since polynomial functions are defined everywhere, the domain is all real numbers.

To find the range we put the function in vertex form:

$y = - 2( {x}^{2} + 4x) - 5$

$y = - 2( {x}^{2} + 4x + 4) - 5 + - 4 \times - 2$

$y = - 2( {x} + 2)^{2} - 5 + 8$

$y = - 2( {x} + 2)^{2} + 3$

The maximum value is 3

The function turns downward, hence the range is:

$y \leqslant 3$

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2 years ago

Find X in the triangle. Round answer to the nearest TENTH of a degree (GIVING BRAINLEST TO BEST ANSWER :D )

Sergio [31]

Answer:

x = 59,53445508

Tan(x) = 34/20

Step-by-step explanation:

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fenix001 [56]

Answer:

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You reflect the point ( -7, -6) across

Leokris [45]

Reflecting is pushing it across from one side to another.
The answer would be (7,6)
Sorry I'm late.

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3 years ago

A circular pond has a radius of 35 feet. What is the diameter of the pond?

SVEN [57.7K]

Answer:

I believe the radius is half the circle which makes the diameter 2x the radius which is 35+35= 70

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2 years ago