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Ber [7]
3 years ago
15

Help Please!

Mathematics
1 answer:
Liula [17]3 years ago
6 0

Answer:

C = 66 cm

Step-by-step explanation:

C = pi*diameter

C = pi*21

C= 65.9734457254

C is around 66 cm (when rounded to whole number)

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Simplify the expression<br> (3x4 + 9x3 – 7x + 15) + (-6X4 – 8x2 + 5x – 3)
elena-s [515]

Answer:

If the numbers next to the "x" are "carroted" ( ^ ) then the answer is

-3x^4 + 9x^3 -8x^2 -2x +12

Step-by-step explanation:

Basically, you just add the like terms together.

5 0
3 years ago
Solve log 2x + log 12 = 3. Round to the nearest hundredth if necessary.
masya89 [10]

Answer:

x = 41.67

Step-by-step explanation:

Use log rules to simplify:

log (2x) + log 12 = 3

log (24x) = 3

Raise 10 to both sides.

10^(log (24x)) = 10^3

24x = 10^3

24x = 1000

Solve for x.

x = 1000/24

x = 41.67

4 0
4 years ago
A fair number cube is rolled. What is the probability that a number greater than 2 is rolled
exis [7]

Answer:

2/3

Step-by-step explanation:

Ah, I see. A 1-6 die.

Probability of one number = 1/6

2 numbers? = 2/6

6/6-2/6=4/6

4/6=2/3

3 0
4 years ago
Read 2 more answers
Given the function h of x equals 8 times the cube root of x minus 6 end root plus 16, what is the x-intercept of the function?
xz_007 [3.2K]

The x-intercept of the function h(x) = 8 * \sqrt[3]{x - 6} + 16 is -2

<h3>How to determine the x-intercept?</h3>

The equation of the function is given as:

h(x) = 8 * \sqrt[3]{x - 6} + 16

The x intercept is the x value when h(x) = 0

So, we have:

8 * \sqrt[3]{x - 6} + 16 = 0

Subtract 16 from both sides

8 * \sqrt[3]{x - 6} = -16

Divide both sides by 8

\sqrt[3]{x - 6} = -2

Take the cube of both sides

x - 6 = -8

Add 6 to both sides

x = -2

Hence, the x-intercept of the function h(x) = 8 * \sqrt[3]{x - 6} + 16 is -2

Read more about x-intercept at:

brainly.com/question/3951754

#SPJ1

3 0
2 years ago
ASAP PLEASE HELP ME
pogonyaev

Answer:

108

Step-by-step explanation:

All you need to do in area is just multiply them together. If  that was what you were looking for.    Or 6x8=48

10x4=40

5x4=20

48+40+20=108 for a different way.

6 0
3 years ago
Read 2 more answers
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