Answer:
x=9,-1 and
Explanation:
we have been given with the quadratic equation
we compare the given quadratic equation with general quadratic equation
general quadratic is
from given quadratic equation a=1,b= -8,c= -9
substituting these values in the formula for discriminant
Now, to find the value of x
Formula is
Now, substituting the values we will get
And rewritting the given equation by shifting 9 to right hand side of the given equation and taking minus inside the bracket so as to convert it in the form of
No , when you subtract 564-92= 472 & the other player has a average of 550
Answer:
<em><u>Olá</u></em><em><u>,</u></em><em><u> </u></em><em><u>tudo</u></em><em><u> </u></em><em><u>bem</u></em><em><u>?</u></em><em><u> </u></em>
<em><u>Me</u></em><em><u> </u></em><em><u>chamo</u></em><em><u> </u></em><em><u>Ana</u></em><em><u> </u></em><em><u>Kesia</u></em><em><u>,</u></em><em><u> </u></em><em><u>muito</u></em><em><u> </u></em><em><u>prazer</u></em><em><u>.</u></em>
<em><u>Nn</u></em><em><u> </u></em><em><u>entendi</u></em><em><u> </u></em><em><u>sua</u></em><em><u> </u></em><em><u>pergunta</u></em><em><u>!</u></em><em><u> </u></em>
<em><u>Mais</u></em><em><u>,</u></em><em><u> </u></em><em><u>mesmo</u></em><em><u> </u></em><em><u>assim</u></em><em><u> </u></em><em><u>obrigada</u></em><em><u> </u></em><em><u>pelos</u></em><em><u> </u></em><em><u>pontos</u></em><em><u>.</u></em>
Answer:
Внешний радиус
Тогда внутренний радиус
Объем материала равен разности объемов внешнего и внутреннего шаров, то есть