If the diameter of a circle is 9 cm, then its circumference is 56.52 cm.

Answers

Answer 1

Answer: No. That is not true.
Dπ=circumference (approximate)
9*π(or roughly 3.14)=28.26
If the RADIUS was 9, then that would be true :D

Answer 2

Answer:

Answer:

The answer is false

Step-by-step explanation:

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A boat is moving at a velocity of –14 miles per hour.If east is taken as the positive direction, what direction is the boat moving?A.It is moving east, but is slowing down.B.It is moving west, but is slowing down.C.It is moving east.D.It is moving west.
-5X - 8y = 36x + 3y =3Solve using elimination ?

Bob has 120 beadsThe beads are either red or green
Bob gives 3/4 of the beads to his friend
2/3 of the beads bob now had are red
Work out how many green beads bob now has

Answers

Now from 120 beads, Bob has 10 green beads.

What is ratio?

Ratio basically compares quantities, that means it show value of one quantity with respect to other quantity.

If a and b are two values, their ratio will be a:b,

Given that,

Total number of beads = 120,

Since, Bob gives 3/4 of the beads, So the remaining beads,

= 120×1/4

=30

Now from these 30 beads, 2/3 beads are red,

So red beads are = 30×2/3 = 20

Therefore, green beads are = 30-20= 10

Bob has 10 green beads.

To learn more about Ratio on :

brainly.com/question/13419413

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Bob has 10 green beads you can show this by dividing 120 by 4 and that then leaves 30 beads which is 1/4 of the original amount of beads. Now knowing that Bob has 30 beads you put it into an equation with x over 30 equal to 2/3 that then makes you able to see that if you multiple the denominator by 10 you get 30 so you do the same to the numerator causing x to be 20 and that is the amount of the red beads leaving 10 beads to be green.

What expression is not equivalent to 1/343 A. 7-1 x 7-2
B.77 x 7-10
C. 7-2 x 7-5
D. 7-5 x 72
(All expressions have an Integer either negative or positive u just can't type it correctly here and B and D or not 77 or 72 it's 7 and positive 7 and D is 7 positive 2

Answers

1 / 343
This is just equal to
1 / 7^3 = 7^-3

A. 7^-1 * 7^-2 = 7^(-1 + -2) = 7^-3
B. 7^7 * 7^-10 = 7^( 7+ -10) = 7^-3
C. 7^-2 * 7^-5 = 7^(-2 + -5) = 7^-7
D. 7^-5 * 7^2 = 7^(-5 + 2) = 7^-3

So the correct answer is letter C. 7^-2 * 7^-5

During the lunch break a deli sold 36 large sodas. If the ratio of large sodas sold to small sodas sold was 4:1, how many sodas were sold?

Answers

36/x = 4/1 4x=36 x=9 + 36 = 45

Since for every small soda 4 large sodas were sold U divide 36 by 4. You get 9 so that is the total of small sodas. Then add 9 and 36 and get 45 total sodas. :) hope this helped

Simplify

81^5 = 3^x
x=

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

(3^4)^5=3^(4*5)=3^20

3^20=3^x

x=20

Find the product and simplify your answer 6n^5(7n^4-5n+5) 40 points

Answers

We have the following expression:
6n ^ 5 (7n ^ 4-5n + 5)
We can rewrite the expression using power properties.
We have then:
42n ^ (4 + 5) - 30n ^ (1 + 5) + 30n ^ 5
Rewriting:
42n ^ 9 - 30n ^ 6 + 30n ^ 5
Answer:
the product is:
42n ^ 9 - 30n ^ 6 + 30n ^ 5

Answer:

Step-by-step explanation:

What are the solutions of 4(x+6)^2=52 select two answers A) √13 - 6
B) -19
C) -√13-6
D)-2√13-6
E)2√13-6