first off, let's put 8y - 5x = 11, in a slope-intercept form, so we can see what's its slope
so the slope of this line is 5/8, well then
A circle has a diameter of 15 cm. Find the circumference. . Use 3.14 for π. Round your answer to the nearest tenth. PLEASE HELP!
2 answers:
Answer:
Step-by-step explanation:
The circumference of a circle is the perimeter or the distance around the circle. It is calculated using the following formula:
The diameter of the circle is 15 centimeters. We are asked to use 3.14 for pi.
- d= 15 cm
- π = 3.14
Substitute the values into the formula.
Multiply.
This number only has numbers in the tenth place, so we don't need to round.
The circumference of the circle is <u>47.1 centimeters.</u>
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Given:
A quadratic function has x-intercepts 2 and 6 and its vertex is (4, 8).
To find:
The corresponding quadratic expression.
Solution:
If graph of a function intersect the x-axis at c, then (x-c) is a factor of the function.
A quadratic function has x-intercepts 2 and 6. It means (x-2) and (x-6) are two factors of the required quadratic function.
The function is defined as:
...(i)
Where, a is a constant.
The vertex of the quadratic function is (4,8). It means the point (4,8) will satisfy the function.
Substituting x=4 and P(x)=8 in (i).
Divide both sides by -4.
Putting in (i), we get
Therefore, the correct option is B.