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evablogger [386]
3 years ago
13

Help me out with this

Mathematics
2 answers:
zalisa [80]3 years ago
6 0

Answer:

40:60:80

Step-by-step explanation:

....... . ...........

ArbitrLikvidat [17]3 years ago
5 0

Answer:

What is 2x + 5 (y-1) when x=8 and y=5

Step-by-step explanation:

HELP ME

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Simplify -4/7 + (-4/3)
Ksenya-84 [330]
-4/7 - 4/3 

- 12/21 - 28/21 = -40/21

your answer is -1 19/21

hope this helps
6 0
3 years ago
The volume of air inside a rubber ball with radius r can be found using the function V(r) = four-thirds pi r cubed. What does V
Nat2105 [25]

Corrected Question

The volume of air inside a rubber ball with radius r can be found using the function V(r) = four-thirds pi r cubed. What does V(5/7) represent?

Answer:

(B)the volume of the rubber ball when the radius equals five-sevenths feet

Step-by-step explanation:

The Volume of a sphere of radius r can be found using the formula:

V(r)=\dfrac43 \pi r^3

Therefore comparing the expression: V(\dfrac57)  with V(r):

Radius, r=\dfrac57

Thus, V(\dfrac57)  is the volume of a ball of radius \dfrac57 feet.

The correct option is B.

4 0
3 years ago
Read 2 more answers
Determine the equation of the circle graphed below.
dsp73

9514 1404 393

Answer:

  (x +1)^2 +(y -3)^2 = 4

Step-by-step explanation:

The equation of a circle centered at (h, k) with radius r is ...

  (x -h)^2 +(y -k)^2 = r^2

The graphed circle is centered at (h, k) = (-1, 3), and has radius 2, so its equation is ...

  (x +1)^2 +(y -3)^2 = 4

4 0
2 years ago
There are 5 cards with a picture of a rose and 3 cards with a picture of a daisy. Alia keeps all the cards down on a table with
Furkat [3]

Answer:

P = 4/7

Step-by-step explanation:

There are 5 cards with a picture of a rose and 3 cards with a picture of a daisy.

Then we have a total of 8 cards.

Now Alia turns over one card, and this card has a picture of a rose, then she removes it.

This means that now there are 4 cards with a picture of a rose and 3 cards with a picture of a daisy, so now we have a total of 7 cards.

We want to find the probability that the next turned card has also a rose on it.

This will be equal to the quotient between the number of cards with a rose on it (4 cards) and the total number of cards (7)

Then the probability is:

P = 4/7

3 0
3 years ago
PLEASE HELP!!!! THANKS!!!! (WILL MARK BRAINLIEST)
Lelechka [254]

Answer:11/26=0.423076923077 so it could be .0423

Step-by-step explanation:

7 0
2 years ago
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