PLEASE ANSWER ASAP WILL MARK BRAINLIEST!!!!!!!solve for x write both solutions. 2x^2+9x+9=0
1 answer:
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Answer:
The linear speed is
Step-by-step explanation:
step 1
Find the circumference of the circle
The circumference is equal to
we have
substitute
step 2
Find the linear speed in feet per minute
we know that
The wheel is rotating at 10 revolutions per minute
Convert revolutions to feet
Remember that
One revolution is equal to the circumference of the circle
so
10 revolutions is equal to
therefore
The linear speed is
The sum of the equation is = 5494000.
<h3>What does summation mean in math?</h3>The outcome of adding numbers or quantities mathematically is a summation, often known as a sum. A summation always has an even number of terms in it. There may be just two terms, or there may be 100, 1000, or even a million. Some summations include an infinite number of terms.
<h3>Briefing:</h3>Distribute 2j to (j+3).
Rewrite the summation as the sum of two individual summations.
Evaluate each summation using properties or formulas from the lesson.
The lower index is 1, so any properties can be used.
The sum is 5,494,000.
<h3>Calculation according to the statement:</h3>simplifying them we get:
Split the summation into smaller summations that fit the summation rules.
The formula for the summation of a polynomial with degree 2
is:
Substitute the values into the formula and make sure to multiply by the front term.
we get: 5373400
Evaluating same as above :
we get: 120600
Add the results of the summations.
5373400 + 120600
= 5494000
The sum of the equation is = 5494000.
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