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kolbaska11 [484]
3 years ago
6

Solve the inequality x^2-4x-7<0

Mathematics
1 answer:
ANEK [815]3 years ago
8 0

Answer:

Inequality Form:

2 − √ 11 < x < 2 + √ 11

Interval Notation:

( 2 − √ 11 , 2 + √ 11 )

Step-by-step explanation:

Solve the inequality for  x  by finding  a ,  b , and  c  of the quadratic then applying the quadratic formula.

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In your own words, define Quadratic Equation. How many solutions does a Quadratic Equation have?
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Answer: an equation that has one term which is nameless and squared also no term which gets raised to higher power.

Step-by-step explanation:

5 0
2 years ago
how do I do this? I think I solved for z=24 but i'm not totally sure. I'm confused on how to solve for x and y mostly. We are us
Yuri [45]
The answer would be 21 because its the same length as the other side. 
5 0
2 years ago
The sum of the measures of the angles of a triangle is 180 degrees. angels A,B,C has ratios of 3:5:7. What are their measures ?
Igoryamba

Answer:

<em>36:60:84</em>

<em>A     : B    : C</em>

<em>36° : 60° : 84°</em>

<em>A= 36°</em>

<em>B= 60°</em>

<em>C=84°</em>

Step-by-step explanation:

<em>3:5:7 =15</em>

<em>180÷15=12</em>

<em>3×12=36</em>

<em>36:x:y =180</em>

<em>5×12=60</em>

<em>36:60:y =180</em>

<em>7×12=84</em>

<em>36:60:84 =180</em>

4 0
1 year ago
Read 2 more answers
Please help fast!!!!
emmasim [6.3K]
I think it’s 3 not sure!
7 0
2 years ago
Answer please n thank you :)
Norma-Jean [14]

Answer:45

Step-by-step explanation:

6 0
3 years ago
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