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alekssr [168]
3 years ago
13

“finding the zeros of a quadratic function” a=? b=? c=?

Mathematics
1 answer:
Kisachek [45]3 years ago
7 0
A=-1
B=1
C=6

That’s the answer but the zeros of the equation is -2 wnd 3
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The measure of an angle is seventeen times the measure of a complementary angle. What is the measure of each angle?
marysya [2.9K]
First, write an equation system for the problem
For example, x represents the first angle and y represents the second angle
An equation for "t<span>he measure of an angle is seventeen times the measure of a complementary angle" is
</span>∴ <span>x = 17y
The sum of complementary angle is 90</span>°. It can be written as<span>
</span>∴ x + y = 90°
<span>
Second, use subtitution method to find the value of x and y
Subtitute x with 17y
x + y = 90</span>°
17y + y = 90°
18y = 90°
y = 90°/18
y = 5°

Subtitute y with 5°
x = 17y
x = 17(5)
x = 85°

The measure of each angle is 5° and 85°
7 0
3 years ago
Please Help Me Prove This
AURORKA [14]
It depends on what the question is
7 0
3 years ago
What is the average rate of change of f over the interval [3,4]?
masya89 [10]

Answer:

4

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b ] = [ 3, 4 ] , then

f(b) = f(4) = - 1 ← from table

f(a) = f(3) = - 5 ← from table , then

average rate of change = \frac{-1-(-5)}{4-3} = \frac{-1+5}{1} = 4

3 0
3 years ago
Factor the following expression completely:
Zigmanuir [339]

Answer:

40z + 5

Step-by-step explanation:

I'm assuming you need to factor 32z + 4 + 8z + 3 - 4 + 2

  • 32z + 8z ( since they both have the same variable ) = 40z
  • 4 + 3 - 4 + 2 ( since they have to variables ) = 5

Hope this helped

5 0
3 years ago
Read 2 more answers
If the perimeter of a rectangle or piece of glass is 26 inches and the length is 4 inches longer than twice the width and what a
cricket20 [7]
2(2w+4+w)=26; 6w+8=26; w=3, l=10

5 0
3 years ago
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