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Alinara [238K]
3 years ago
11

Help please!!!!! 100 points

Mathematics
2 answers:
natka813 [3]3 years ago
7 0

Answer:

1.) a. i)  f(4) = 2, ii.) f(-3)= -5  b.)  x = -5, x = 2,  c.)  choice(2) -3 < x < 5

Step-by-step explanation:

Each problem

1.) a.) i.)   we see f(4) = 2  on the graph  the line goes through point (4, 2)

   a.)  ii.)  f(-3) = -5

1.) b.)  There are only 2 zeros for f(x)  which intersect the x-axis in only 2 points.

 x = -5  and x = 2  are the only 2 zeros.

1.) c.)  only for   -3 < x < 5  is the function  f(x) increasing.

  choice (2.)

Akimi4 [234]3 years ago
3 0

Answer:

Step-by-step explanation:

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Andy filled four glasses with water at different temperatures as shown under each glass.
iragen [17]

Answer:

black

Step-by-step explanation:

because

8 0
3 years ago
How to do this problem??
lorasvet [3.4K]
We know that the sum of the inner angles of any triangle is 180º

72º + (7x + 3)º + (3x + 5)º = 180º
72º + 7xº + 3º + 3xº + 5º = 180
7xº + 3xº = 180º - 72º - 3º - 5º
10xº = 100º
x^0 =  \frac{100^0}{10^0}
x^0 = 10\to\:\boxed{\boxed{x = 10^0}}\end{array}}\qquad\quad\checkmark

The sum of the external angle (9y + 1)º with inner angle (3x + 5) = 180 °, <span>Replace the measure of "x" found:
</span>
(9y + 1)º + (3x + 5)º = 180º
9yº + 1º + 3xº + 5º = 180º
9yº + 1º + 3.(10)º + 5º = 180º
9yº + 1º + 30º + 5º = 180º
9yº = 180º - 1º - 30º - 5º
9yº = 144º
y^0 =  \frac{144^0}{9^0}
y^0 = 16\to\:\boxed{\boxed{y = 16^0}}\end{array}}\qquad\quad\checkmark

Answer:
<span>The measures ​​of "x" and "y" are respectively: 10º and 16º</span>
6 0
3 years ago
Calculate the area of a square with sides of 5 inches.
Luda [366]

Answer:

A = 25 in²

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Geometry</u>

  • Area of a Square: A = x²

Step-by-step explanation:

<u>Step 1: Define</u>

Side length = 5 in

<u>Step 2: Solve for </u><em><u>A</u></em>

  1. Substitute:                    A = (5 in)²
  2. Evaluate:                       A = 25 in²

And we have our final answer!

6 0
3 years ago
Read 2 more answers
What percent of 630 is 270
Tatiana [17]
I don't Clearly understand your question but I think it is 0.428571
8 0
3 years ago
Which equation represents the line that passes through the points (6,-3) and (-4,-9)?
Citrus2011 [14]
I will give in y=mx+b and ax+by=c form

using point slope form
y-y1=m(x-x1)
where the slope is m and a point on that line is (x1,y1)

slope between 2 points (x1,y1) and (x2,y2) is (y2-y1)/(x1-x1)

given
(6,-3) and (-4,-9)
slope=(-9-(-3))/(-4-6)=(-9+3)/(-10)=-6/-10=3/5
a point is (6,-3)

y-(-3)=3/5(x-6)
y+3=3/5(x-6)
y+3=3/5x-18/5
y=3/5x-33/5
-3/5x+y=-33/5
3x-5y=33


equation is
y=3/5x-33 or
3x-5y=33 or
y+3=3/5(x-6) or
y+9=3/5(x+4)
7 0
3 years ago
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