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mixas84 [53]
3 years ago
11

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class="latex-formula">

​
Mathematics
2 answers:
Rudik [331]3 years ago
4 0
20 is the answer to the question
sammy [17]3 years ago
4 0
The answer is 20....
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Y = x^2 + 2x - 8 Solve with zeros
Katen [24]

Answer:

x=-4  x=2

Step-by-step explanation:

y = x^2 + 2x - 8

Set equal to zero

0 = x^2 + 2x - 8

Factor

What two numbers multiply to -8 and add to 2

4 * -2 = -8

4+-2 = 2

0=(x+4) ( x-2)

Using the zero product property

x+4 =0   x-2 =0

x=-4  x=2

6 0
2 years ago
Determine the length of side CB.<br> A)<br> 5<br> B)<br> 5V<br> 5V<br> D)<br> 10
ra1l [238]

Answer:  5\sqrt{3}  which is choice C

=====================================================

Explanation:

This is a 30-60-90 triangle. The short leg is 5, as it's opposite the smallest angle. The long leg is \sqrt{3} times that of the short leg.

7 0
2 years ago
Consider the quadratic function f(x) = x2 – 5x + 12. Which statements are true about the function and its graph? Select three op
lutik1710 [3]

The statement that is true about the quadratic function is (b) the graph of the function is a parabola.

<h3>How to determine the true statements?</h3>

The quadratic function is given as

f(x) = x2 – 5x + 12

Rewrite as

f(x) = x² – 5x + 12

All quadratic functions are parabola

This means that option (b) is true

Set x = -10 to calculate f(-10)

So, we have

f(-10) = (-10)² – 5(-10) + 12

Evaluate

f(-10) = 162

This means that option (a) is false

Set x = 20 to calculate f(20)

So, we have

f(20) = (20)² – 5(20) + 12

Evaluate

f(20) = 312

This means that option (d) is false

Set x = 0 to calculate f(0)

So, we have

f(0) = (0)² – 5(2) + 12

Evaluate

f(0) = 12

This means that option (e) is false

The leading coefficient in f(x) = x² – 5x + 12 is positive

Graphs with positive leading coefficient opens up

This means that option (c) is false

Hence, the true statement about the quadratic function is (b)

Read more about quadratic functions at

brainly.com/question/1214333

#SPJ1

5 0
1 year ago
A video has a scale factor of 16:9. the short side is 5 cm how long is the long side. show your work to be the brainleest.
Fittoniya [83]

Answer:

8.89cm

Step-by-step explanation:

The ratio is 16:9 (which is one of the most common in TVs)

9:5=16:x

x=(16*5)/9

x=8.88....=8.89

5 0
3 years ago
Solving two linear equations.<br> 4=3a-14?
kykrilka [37]
Not too sure but got a=6

3 0
2 years ago
Read 2 more answers
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