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3 years ago

Find 4 × 0.001. A) 0.0004 B) 0.004 C) 0.04 D) 0.4

Mathematics

2 answers:

maksim [4K]3 years ago

8 0

Answer:

B) 0.004

Step-by-step explanation:

0.001

x 4

----------

0.004

Katyanochek1 [597]3 years ago

4 0

Answer:

b) 0.004

Step-by-step explanation:

please give brainliest

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For the function f defined b f(x)=x^2+2x+3 find f(-x), -f(x), and -f(-x).

Rom4ik [11]

Answer:

see explanation

Step-by-step explanation:

To evaluate f(- x) substitute x = - x into f(x)

f(- x) = (- x)² + 2(- x) + 3 = x² - 2x + 3

-----------------------------------------------------

- f(x) = - (x² + 2x + 3) ← distribute parenthesis by - 1

= - x² - 2x - 3

-----------------------------------------------------------

- f(- x) ← substitute f(- x) from above

= - (x² - 2x + 3) ← distribute parenthesis by - 1

= - x² + 2x - 3

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3 years ago

What is the product of (4y-y)(9+4x+3y)

shtirl [24]

Step-by-step explanation:

(4y-y)(9+4x+3y)

36y+16xy+12y^2-9y-4xy-3y^2

collect like terms

36y-9y+16xy-4xy+12y^2-3y^2

=27y +12xy+9y^2

3 0

3 years ago

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Nathan invested $18,000 in an account paying an interest rate of 3.4% compounded quarterly. Assuming no deposits or withdrawals

bezimeni [28]

Answer:

$24,412

Step-by-step explanation:

To find out the value after 9 years, we have to use Future value formula.

Here, Present Value (PV) = $18,000

Interest rate, r = 3.4% = 0.034

Since the interest is compounding quarterly, m = 4

years, n = 9

We know, FV = PV x [(1 + r/m)^(n*m)]

FV = $18,000 x [(1 + 0.034/4)^(9*4)]

FV = $18,000 x 1.3562

FV = $24,412

Therefore, the future value is $24,412.

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3 years ago

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tatuchka [14]

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3 years ago

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professor190 [17]

Add alll the sides I’m a calutojr

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3 years ago