3 years ago

Is 2x^2+5x^2-8 a monomial, binomial or trinomial?

Mathematics

1 answer:

lawyer [7]3 years ago

4 0

Answer:

trinomial

Step-by-step explanation:

plus and minus signs separate terms.

2x^2 is a term

5x^2 is another term

-8 is another term.

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What is the midpoint between -2-3i and 3+9i

Svetlanka [38]

Answer:

1/2 + 3i is the midpoint between -2-3i and 3+9i.

Step-by-step explanation:

Given the complex number

-2-3i

3+9i

The formula to find the midpoint of two complex number (a + bi) and (c + di) is:

$M=\frac{\left(a+c\right)}{2}+\frac{\left(b+d\right)i}{2}$

$M=\frac{\left(-2+3\right)}{2}+\frac{\left(-3+\left(9\right)\right)i}{2}$

$M=\frac{-2+3+\left(-3+9\right)i}{2}$

$M=\frac{1+6i}{2}$

$M=\frac{1}{2}+3i$

Therefore, 1/2 + 3i is the midpoint between -2-3i and 3+9i.

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3 years ago

Taylor earned $48 for 6 hours of babysitting and $68 for 8.5 hours of babysitting. How long would she have to babysit to earn $3

ZanzabumX [31]

48÷6=$8 per hour
So
32÷8=4 hours

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3 years ago

Grace drove 240 miles in 4 hours. If she drove at a constant rate, how far did she travel in one hour?

kvasek [131]

Answer:

Step-by-step explanation:

240/4

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3 years ago

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Is 0.625 greater than 0.75

adell [148]

Answer:

Step-by-step explanation:

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3 years ago

Please Help!!!

Alexandra [31]

The answer is 1.715 hope I helped

4 0

4 years ago