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3 years ago

PLEASEEEE HELPPP IM BEING TIMEDDD WILL GIVE BRAINLIEST AND POINTS

Mathematics

1 answer:

miss Akunina [59]3 years ago

3 0

Answer:

Can you please organize them so that the exponents are marked as x^2?

Step-by-step explanation:

To me, none of this is in standard form because the numbers are before the variables.

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Factor the polynomial completely<br> 45x3 + 243x2 + 340x + 100

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This can't be factored with rational numbers.

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Maggie purchased a 2-pound roast to fix for dinner. How many ounces does the roast weigh?

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A rectangle with a perimeter of 19m^2+2m-10 and a width of m^2 write an expression for the lenght

never [62]

Answer: $\frac{17}{2}m^2+m-5$

Step-by-step explanation:

By definition, the perimeter of a rectangle is:

$P=2l+2w$

Where "l" is the lenght and "w" is the width.

If you solve for "l":

$P-2w=2l\\\\l=\frac{P-2w}{2}$

In this case, you know that the following expression represents the perimeter of the rectangle:

$19m^2+2m-10$

And the width of that rectanle is represented wih this expression:

$m^2$

Therefore, based on the explained above, you can conclude that the lenght of that rectangle is given by:

$\frac{19m^2+2m-10-2(m^2)}{2}$

Finally, simplifying the expression, you get:

$=\frac{17m^2+2m-10}{2}=\frac{17}{2}m^2+m-5$

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3 years ago

Let u = <5, 6>, v = <-2, -6>. Find -2u + 5v.

Hunter-Best [27]

$\bf \begin{cases}
u = \ \textless \ 5, 6\ \textgreater \ \qquad &-2u\to -2\ \textless \ 5,6\ \textgreater \ \\
&\qquad \boxed{\ \textless \ -10,-12\ \textgreater \ }\\
v = \ \textless \ -2, -6\ \textgreater \ \qquad &5v\to 5\ \textless \ -2,-6\ \textgreater \ \\
&\qquad \boxed{\ \textless \ -10,-30\ \textgreater \ }
\end{cases}$

scalar multiplication, now, add them up

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slamgirl [31]

Step-by-step explanation:

Describe how the values of a and k affect the graphical and tabular representations of the functions y=ax^2, y=x^2+k, and y=ax^2+k.

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