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3 years ago

What is .63 repeating in a fraction

Mathematics

1 answer:

Ber [7]3 years ago

3 0

$0.636363...=\frac{63}{10^2-1}=\frac{63}{99}=\frac{7}{11}$

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Anyone who knows how to do this right please

Elan Coil [88]

Answer:

13. 9.77 inches (rounded to 3 s.f.)

14. 249m² (rounded to 3 s.f.)

Step-by-step explanation:

13. To find the arc length, the formula is the angle of the arc out of 360° multiplied by the circumference of the full circle. Circumference of circle: pi × r × 2

$\frac{80}{360}$ × pi × 7 × 2 = 3 $\frac{1}{9}$ pi

= 9.77 inches (rounded to 3 s.f.)

14. To find the sector area, the formula is the angle of the sector out of 360° multiplied by the area of the full circle. Area of circle: pi × r × r

$\frac{285}{360}$ × pi × 10 × 10 = 79 $\frac{1}{6}$ pi

= 249m² (rounded to 3 s.f.)

5 0

2 years ago

How many times greater is 46 than 0.46? Explain to a classmate

Monica [59]

$46:0.46=\dfrac{46}{0.46}=\dfrac{46\cdot100}{0.46\cdot100}=\dfrac{4,600}{46}=\boxed{100}\\\\Answer:\huge\boxed{100\ times}$

5 0

3 years ago

Read 2 more answers

Find the equation of the line using the point-slope formula. Write the final equation using slope-intercept form. (1,2) with a s

Lilit [14]

Answer:

$y-2=\displaystyle -\frac{3}{4}(x-1)$

$y=\displaystyle -\frac{3}{4}x+\frac{11}{4}$

Step-by-step explanation:

Hi there!

Point-slope form: $y-y_1=m(x-x_1)$ where m is the slope of the line and $(x_1,y_1)$ is a given point

Given that the slope is -3/4, we can plug it into $y-y_1=m(x-x_1)$ as m:

$y-y_1=\displaystyle -\frac{3}{4}(x-x_1)$

We can also plug in the given point (1,2):

$y-2=\displaystyle -\frac{3}{4}(x-1)$

Slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)

To write the equation in slope-intercept form, isolate y:

$y-2=\displaystyle -\frac{3}{4}(x-1)\\\\y=\displaystyle -\frac{3}{4}(x-1)+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{3}{4}+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{11}{4}$

I hope this helps!

8 0

2 years ago

Does AN times E equal to ABN If A= 1, B= 5 , and N= 0

adelina 88 [10]

Answer:

no it would equal ANE

Step-by-step explanation:

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2 years ago

Color the star BLUE if the statement is true and RED if false

Anna [14]

Answer:

RED

BLUE

RED

BLUE

<h2>MARK ME BRAINLIEST PLSSS</h2>

4 0

1 year ago