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3 years ago

Consider the table of values below.

Mathematics

1 answer:

Setler [38]3 years ago

7 0

Answer:

f(x)=12x-5

Step-by-step explanation:

-5 is the y-intercept since f(1)=0

the difference from -5 and 7 (7-(-5) or 7+5) is 12 and 12/1 equals 12

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What is the equation of the line that passes through the point (3, 0) and is perpendicular to the line 2x – y = 5?

Lisa [10]

Answer:

$\large\boxed{y=-\dfrac{1}{2}x+\dfrac{3}{2}}$

Step-by-step explanation:

$\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\============================\\\\\text{We have}\ 2x-y=5.\\\\\text{Convert to the slope-intercept form y = mx + b:}\\\\2x-y=5\qquad\text{subtract 2x from both sides}\\\\-y=-2x+5\qquad\text{change the signs}\\\\y=2x-5\to m_1=2\\\\\text{Therefore}\ m_2=-\dfrac{1}{2}.$

$\text{The equation of the searched line:}\ y=-\dfrac{1}{2}x+b.\\\\\text{The line passes through }(3,\ 0).\\\\\text{Put the coordinates of the point to the equation.}\ x=3,\ y=0:\\\\0=-\dfrac{1}{2}(3)+b\\\\0=-\dfrac{3}{2}+b\qquad\text{add}\ \dfrac{3}{2} \text{to both sides}\\\\b=\dfrac{3}{2}$

8 0

4 years ago

Someone please help me this is the only question stopping me from graduatin class 2020

Sidana [21]

Answer:

EF = 3.43

Step-by-step explanation:

Sin θ = opposite / hypotenuse

Sin 26 = EF / 4.5

0.762 × 4.5 = EF

EF = 3.43

7 0

3 years ago

The campers in cabin b walked 2/3 of the way to silver stream. how many miles did they walk

jasenka [17]

2/3 of 8 miles is 5 and 1/3 miles. So they walked about 5 and 1/3 miles there.

6 0

3 years ago

Read 2 more answers

X^2+4x=15 complete the square

Lady_Fox [76]

Answer:

Step-by-step explanation:

x^2 + 4x = 15.....take half of ur x term, then square it, then add to both sides

x^2 + 4x + 4 = 15 + 4

(x + 2)^2 = 19

sqrt (x + 2)^2 = sqrt 19

x + 2 = sqrt 19

x = -2 (+ - ) sqrt 19

so x = -2 + sqrt 19 or x = -2 - sqrt 19

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3 years ago

First person to answer GETS BRAINLIEST

Serhud [2]

I am trying to help you with the answer but I don’t know what I am supposed to be answering

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3 years ago