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3 years ago

Which is the same as moving the decimal point 3 places to the right in a decimal number

Mathematics

1 answer:

BlackZzzverrR [31]3 years ago

8 0

Answer:

Moving the decimal 3 places to the right in a decimal number is the same as multiplying the number by 1000.

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Let f(x) = x2 + x + 2 and g(x) = 2x2 + 5. Find f(g(x)). Show each step of your work

tresset_1 [31]

f(g(x))=(2x^2+5)(2x^2+5)+(2x^2+5)+2

f(g(x))=4x^4+22x^2+32

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3 years ago

10. The coordinates of C and D are 4 and -28 respectively, and F mdpt CD. Solve for:

Zigmanuir [339]

Answer:

a) mCD=7

b) mCF=7

c) mFD=7

d) F(2,-14)

Step-by-step explanation:

Let the coordinates of C and D be (4,0) and (0,-28) respectively and F is the midpoint of CD

a) mCD

Slope formula

$m= \frac{y_2-y_1}{x_2-x_1}$

$m= \frac{-28-0}{0-4}$

$m= \frac{-28}{-4}$

$m= 7$

mCD=7

b) mCF

mCF=mCD

Hence mCF=7

c) mFD

mFD=mCD

Hence mFD=7

d) Coordinates of F : mid point formula

Mid points Formula

$x= \frac{x_2+x_1}{2}$

$x= \frac{0+4}{2}=\frac{0+4}{2}=2$

$y= \frac{y_2+y_1}{2}=\frac{-28+0}{2}=\frac{-28}{2}=-14$

coordinates of F are (2,-14)

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3 years ago

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Afina-wow [57]

Answer:

SSS

Step-by-step explanation:

We can see that 2 sides are equal already, and because they share a side, that side is also equal. So, side side side.

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Step-by-step explanation:

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