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Leni [432]
2 years ago
5

Which of the following is not an example of quadratic inequality

Mathematics
1 answer:
Galina-37 [17]2 years ago
8 0
7x-4 because no x^2 is present. #brainliest pls??
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Point B is between points A and C. Find the length of AC if AB = 3x - 2, BC = 2x + 7 and AC = 4x + 10
kirill115 [55]

Answer:

AC = 30

Step-by-step explanation:

Start with:

4x+10=3x-2+2x+7

Combine like terms.

4x+10=5x+5

Subtract 4x from both sides of the equation.

10=x+5

Subtract 5 from both sides of the equation.

x = 5

Then, substitute 5 for x in AC=4x+10

AC=4(5)+10

Multiply.

AC=20+10

Finally, add.

AC=30

3 0
3 years ago
The sum of the exterior angles of a pentagon equals 300? True or false
malfutka [58]
25 and then add the decimals they have to be aaddd by the two decimals
3 0
3 years ago
Joey’s mom baked (30) cookies. That night, there were 21 cookies left. What percentage of the cookies were eaten?
katrin2010 [14]

Answer:

About 97%

Step-by-step explanation:

5 0
3 years ago
The temperature was 61 degrees at sunrise.
Olin [163]
The answer would be 73 degrees because 62 +12 = 73
5 0
3 years ago
Simplify <br> cosx ( tanx+cotx)
Soloha48 [4]
The first step to solving this is to use tan(t) = \frac{sin(t)}{cos(t)} to transform this expression.
cos(x) × ( \frac{sin(x)}{cos(x)} + cot(x) )
Using cot(t) = \frac{cos(x)}{sin(x)},, transform the expression again.
cos(x) × ( \frac{sin(x)}{cos(x)} +  \frac{cos(x)}{sin(x)} )
Next you need to write all numerators above the least common denominator (cos(x)sin(x)).
cos(x) × \frac{sin(x)^{2} + cos(x)^{2}  }{cos(x)sin(x)}
Using sin(t)² + cos(t)² = 1,, simplify the expression. 
cos(x) × \frac{1}{cos(x)sin(x)}
Reduce the expression with cos(x).
\frac{1}{sin(x)}
Lastly,, use \frac{1}{sin(t)} = csc(t) to transform the expression and find your final answer.
csc(x)
This means that the final answer to this expression is csc(x).
Let me know if you have any further questions.
:)
4 0
3 years ago
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