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3 years ago

a student claims that 1,2,3, and 4 are the zeros of a cubic polynomial function. explain why the student is mistaken

1 answer:

7 0

A cubic polynomial function has 3 zeroes, which is why it is cubic. The student says there are 4 zeroes, which is not possible.

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3 years ago

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What is the area of this face?

tino4ka555 [31]

28

Beak the face into three shapes one 10x2 and then two small squares 2x2 each

20+4+4=28

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3 years ago

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Sonja [21]

Answer:

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3 years ago

The hypotenuse and a leg of a particular right triangle are $\sqrt{97}$ inches and 4 inches, respectively. The area of this tria

lozanna [386]

Answer: 1/8

Step-by-step explanation:

Hypotenuse = √97

One leg = 4

By Pythagoras theorem, second leg² = (√97)² - 4²

= 97 - 16 = 81

So second leg = 9

Area of triangle = 4 x 9 / 2 = 18 sq inch

One sq foot = 144 sq inch

So required fraction = 18/144 = 1/8

3 0

3 years ago

Find 4.5×10^7 over 1.5×10^-8 . write answer in scientific notation.

Sati [7]

Answer:

$\large\boxed{\dfrac{4.5\times10^7}{1.5\times10^{-8}}=3\times10^{15}}$

Step-by-step explanation:

The scientific notation:

$a\times10^k\ \text{where}\ 1\leq a$

We have:

$\dfrac{4.5\times10^7}{1.5\times10^{-8}}=\dfrac{4.5}{1.5}\times\dfrac{10^7}{10^{-8}}$

Use

$\dfrac{a^n}{a^m}=a^{n-m}$

$=3\times10^{7-(-8)}=3\times10^{7+8}=3\times10^{15}$

4 0

4 years ago