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3 years ago

Find the circumference of the circle if the diameter is 27m. Use 3.14 for Pi.

Mathematics

1 answer:

MissTica3 years ago

8 0

Answer:

Circumference= 84.78 or if needed simplified 85

Step-by-step explanation:

c=2×3.14×r

in this case to get the radius divide the diameter by 2 which would equal 13.5 so the formula would be

2×3.14×13.5=84.78

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3 years ago

What is the length of the hypotenuse of the triangle when x=13

ValentinkaMS [17]

Answer:

90.80

Step-by-step explanation:

6x+4

= (6)(13)+4

= 78+4

=82

=(3)(13)

= 39

So we know the sides are 39 and 82

Pythagoras theorem in triangles

= a2+b2= c2

Now, we know the value of a and B but not c (the hypotenuse)

Therefore,

c2 = (39)^2 + (82)^2

= 1521+ 6724

= 8245

so, c = √8245

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3 years ago

Which statements are true about the place values in the number 22.222? Choose all answers that are correct. A. The 2 in the tent

Vinvika [58]

B. THE 2 IN THE TENTHS PLACE IS 10 TIMES THE VALUE OF THE 2 IN THE HUNDREDTHS PLACE.

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tens ones decimal point tenths hundredths thousandths

2 in the tenths place = 0.20
2 in the hundredths place = 0.02

0.02 x 10 = 0.20

6 0

4 years ago

What pattern is represented by the polynomial ?

Ymorist [56]

Answer:

choice C. Perfect square trinomial is correct.

Step-by-step explanation:

We need to find the pattern which is represented by the polynomial $4x^2+12x+9$ .

To find that pattern, we need to factor $4x^2+12x+9$

$4x^2+12x+9$

$=4x^2+6x+6x+9$

$=2x(2x+3)+3(2x+3)$

$=(2x+3)(2x+3)$

$=(2x+3)^2$

which is a perfect square.

Hence choice C. Perfect square trinomial is correct.

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3 years ago

10 = z/2 + 7<br> Help please..??

laila [671]

$10 = \frac{z}{2} + 7\\\\3 = \frac{z}{2}\\\\\boxed{\bf{z = 6}}$

7 0

3 years ago

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