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Darya [45]
3 years ago
7

PLEASE HELP IM OFFERING 15PTS AND BRAINLIEST ANSWER. PLEASE SHOW YOUR WORK

Mathematics
1 answer:
Murljashka [212]3 years ago
8 0
I need to se the blanket to answer
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Help me plssss!!!!!!!
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<h3> zor bir soru cevap Ceyhan</h3>

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3 years ago
An equation parallel and perpendicular to 4x+5y=19
UNO [17]

Answer:

Parallel line:

y=-\frac{4}{5}x+\frac{9}{5}

Perpendicular line:

y=\frac{5}{4}x-\frac{1}{2}

Step-by-step explanation:

we are given equation 4x+5y=19

Firstly, we will solve for y

4x+5y=19

we can change it into y=mx+b form

5y=-4x+19

y=-\frac{4}{5}x+\frac{19}{5}

so,

m=-\frac{4}{5}

Parallel line:

we know that slope of two parallel lines are always same

so,

m'=-\frac{4}{5}

Let's assume parallel line passes through (1,1)

now, we can find equation of line

y-y_1=m'(x-x_1)

we can plug values

y-1=-\frac{4}{5}(x-1)

now, we can solve for y

y=-\frac{4}{5}x+\frac{9}{5}

Perpendicular line:

we know that slope of perpendicular line is -1/m

so, we get slope as

m'=\frac{5}{4}

Let's assume perpendicular line passes through (2,2)

now, we can find equation of line

y-y_1=m'(x-x_1)

we can plug values

y-2=\frac{5}{4}(x-2)

now, we can solve for y

y=\frac{5}{4}x-\frac{1}{2}


4 0
3 years ago
How far is 10% of a 2,000 kilometer trip
Dmitry [639]

Answer:200

Step-by-step explanation:

2000x0.1=200

200

6 0
3 years ago
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PLEASE HELP FAST 100 POINTS!
Ivahew [28]

Answer:

<u>Given function:</u>

  • f(x) = (-x + 2)(x + 1)(x +2)

<u>We can rewrite it as:</u>

  • f(x) = - (x - 2)(x + 1)(x +2)

<u>Zeros are:</u>

  • - (x - 2)(x + 1)(x +2) = 0
  • x - 2 = 0 ⇒ x = 2
  • x + 1 = 0 ⇒ x = -1
  • x + 2 = 0 ⇒ x = -2

As leading coefficient is negative the function is decreasing.

As the function is of degree 3, it is odd.

<u>Considering the above two factors we can define the shape of the graph:</u>

  • It is decreasing function with one local minimum and one local maximum.

<em>See the graph and zero's reflected.</em>

6 0
3 years ago
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Calculate the area and circumference of the circle and show work
Mila [183]

Given , <u>radius of circle is 1 inches </u>

We have to find circumference and area of the circle

Formula for finding area of circle :- πr²

Area :- 3.14×1² sq. inches

<u>Area :- 3.14 sq. inches </u>

Formula for finding circumference of circle :- 2πr

Circumference :- 2×3.14×1 inches

<u>Circumference :- 6.28 Inches</u>

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2 years ago
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