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3 years ago

What is 2.23 as a fraction

2 answers:

7 0

$\boxed{2.23= \frac{223}{100} } \\\\ \text{Another example:} \\ \\ 0,(4)= \frac{4}{9} \\ \\ 2,(4)= \frac{24-2}{9} = \frac{22}{9} \\ \\ 4,(16)= \frac{416-4}{99}= \frac{412}{99} \\ \\ 1,2(3)= \frac{123-12}{90}= \frac{111}{90} \\ \\ 2,58(936)= \frac{25893-258}{99900} = \frac{258678}{99900} \\\\ \bold{\text{Good look !!!}}$

V125BC [204]3 years ago

7 0

$2.23= \frac{223}{100}$

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Convert Зcis 180° to rectangular form. А. -3 в. -3i с. з D. Зі.

Sunny_sXe [5.5K]

Answer:

-3

Step-by-step explanation:

$3 cis(180^\circ)$ means $3(\cos(180^\circ)+i \sin(180^\circ))$

What is the $x$ -coordinate value that corresponds to $\theta=180^\circ$ . That value is -1.

What is the $y$ -coordinate value that corresponds to $\theta=180^\circ$ . That value is 0.

So this implies $\cos(180^\circ)=-1 \text{ and } \sin(180^\circ)=0$ .

$3 cis(180^\circ)$

$3(\cos(180^\circ)+i \sin(180^\circ))$

$3(-1+i (0))$

$3(-1+0)$

$3(-1)$

$-3$

5 0

3 years ago

Does anyone know how to do this (#2) PLZZZZ HELPPPPPPPP

timurjin [86]

Answer:

a.- slope= 36

Interpretation : The cable car travels 36 meter per minute

b.- y = 36x + 100

c.- 640 meters

Step-by-step explanation:

a.-

Find slope using the slope formula : $\frac{y2-y1}{x2-x1}$

Plug in the two given points: $\frac{1000-100}{25-0}$

Subtract the numbers : $\frac{900}{25}$

Reduce the fraction : 36

b.-

Using the given y-interspet (100) and the slope create an equation: y = 36x + 100

c.-

Using the equation you created plug in 15 for x to find the

distance: y = 36 (15) + 100

Multiply the numbers : y = 540 + 100

Add the numbers : y = 640

8 0

3 years ago

A local pizzeria offers 14 toppings for their pizzas and you can choose any 5 of them for one fixed price. How many different ty

Ne4ueva [31]

$C(14,5)=\dfrac{14!}{5!9!}=\dfrac{10\cdot11\cdot12\cdot13\cdot14}{2\cdot3\cdot4\cdot5}=2002$

6 0

3 years ago

What is the midpoint between points (1, 4) and (9, 16)?

Ostrovityanka [42]

To find the midpoint you find the average x and the average y values. The average of 1 and 9 is 5, and the average of 4 and 16 is 10. The midpoint would be (5,10).

5 0

3 years ago

Answer and show all of your work.

quester [9]

Answer:

105 shifts

Step-by-step explanation:

Hourly net rate of pay = $12

1 shift = 8 hours

⇒ net pay per shift = $12 × 8 = $96

Total cost = tuition + residence + books

= $4500 + $4800 + $700

= $10,000

To calculate how many shifts Joanne needs to work, divide the total cost by the pay per shift and round it up:

Number of shifts = total cost ÷ net pay per shift

= $10,000 ÷ $96

= 104.1666666...

= 105 shifts

Note: we need to round up, as if Joanne works 104 shifts, she will earn $9,984 which is not quite enough to pay for tuition, residence and books.

3 0

2 years ago

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