40º
7) In this problem, we can see that both tangent lines to that circle come from the same point O.
So, we can write out the following considering that there is one secant line DO and one tangent line to the circle AO
The way to multiply fractions include:
- The first step when multiplying fractions is simply to multiply the two numerators.
- The second step is to multiply the two denominators.
- Finally, simplify the new fractions
<h3>What are fractions?</h3>
It is important to note that fractions are part of whole numbers.
Fir example, to multiply 2/3 by 1/5 will be:
= 2/3 × 1/5
= 2/15
In conclusion, one has to multiply the numerator and them multiply the denominator.
Learn more about fractions on:
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It takes bottling machine to fill 4500 bottles in 30 minutes.
Answer:
Infinite solutions
Step-by-step explanation:
Equation M is equation P multiplied by 3. The equations are dependent, so any solution of one of them is also a solution of the other. There are an infinite number of (x, y) pairs that will satisfy either (both) equation(s).
Answer: 0.38065
in simpler terms x=± 0.145 =±0.38065
Step-by-step explanation: -490x2+71 = 0
Subtract 71 from both sides of the equation :
-490x2 = -71
Multiply both sides of the equation by (-1) : 490x2 = 71
Divide both sides of the equation by 490:
x2 = 71/490 = 0.145
When two things are equal, their square roots are equal. Taking the square root of the two sides of the equation we get:
x = ± √ 71/490
The equation has two real solutions
These solutions are x = ±√ 0.145 = ± 0.38065
