3 years ago

Which of the following statements about the drawing below is true

Mathematics

1 answer:

mina [271]3 years ago

3 0

I'm NOT 100% sure, but I believe it would be number 3 that is the only true statement about the drawing above.

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a worker at a mill is delivering 5lbs bags of flour to a local warehouse, each box holds 12 bags. If the warehouse orders 3 tons

kupik [55]

3 tons=6,000 pounds
12×5=60
6,000÷60=100

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4 years ago

Alex invests £3175 for n years into a savings account.

kozerog [31]

Answer:

n = 14

Step-by-step explanation:

3175(1+2.75%)^n=4641.83 we input this in the calculator and we get n = 14

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3 years ago

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son4ous [18]

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3 years ago

6cos(20πt-π)+6√3cos(20πt-π\2)

juin [17]

Answer:

Answer is -6t

Step-by-step explanation:

${ \tt{ = (6 \cos(20\pi t) \cos(\pi) + 6\sin(20\pi t) \sin(\pi) ) + 6 \sqrt{3} ( \cos(20\pi t) \cos( \frac{\pi}{2} ) + \sin(20\pi t) \sin( \frac{\pi}{2} )) }} \\ = { \tt{ (- 6t + 0) + (0 + 0)}} \\ = { \tt{ - 6t}}$

Note that π is 180°

5 0

3 years ago

If f(x) = 2x + 3 for all values of x, what is the value of f(-3)?

IrinaK [193]

Answer:

f(-3)= -3

Step-by-step explanation:

We are given the function:

f(x) = 2x+3

and asked to find f(-3). Essentially, we want to find f(x) when x is equal to -3.

Therefore, we can substitute -3 for each x in the function.

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

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

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition and Subtraction

Multiply 2 and -3.

f(-3) = (2*-3) +3

f(-3)= (-6)+3

Add -6 and 3.

f(-3)= (-6+3)

f(-3)= -3

If f(x)= 2x+3, then f(-3)= -3

7 0

3 years ago