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mr Goodwill [35]
3 years ago
13

Evaluate x + y2 (2+ x) if x + 3 and y = -1

Mathematics
1 answer:
Colt1911 [192]3 years ago
4 0

Answer:

-7

Step-by-step explanation:

Please make me brainlist

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The formula for the volume of a sphere is v= 4/3 m^3 what is the formula solved for r ?
Softa [21]

Answer:

            3V

r = ∛ ( ---------- )

            4π

Step-by-step explanation:

Please, enclose the fraction 4/3 inside parentheses, to eliminate any possibility of misreading this fraction.  Also note that this formula MUST include "pi," symbolized by π.

V = (4/3) π r³  This formula does NOT include "m," which is a unit of measurement, not a variable.

Our task is to solve this formula for the radius, r.

Divide both sides by (4/3) π, to isolate r³.  This results in:

      v               (4/3) π r³

-------------   =  -----------------

  (4/3) π             (4/3) π

                     

                       V              3V

Then r³ = --------------  =  --------

                   (4/3) π           4π

and r is found by taking the cube root of the above result:

            3V

r = ∛ ( ---------- )

            4π

4 0
3 years ago
1. Determine the lateral and total surface
d1i1m1o1n [39]
I hope you find the answer I needed points quickly I’m doing a timed quiz I apologize
4 0
3 years ago
There is a bag filled with 2 blue, 4 red and 5 green marbles.
Vinil7 [7]
<h3>Answer: 45/121</h3>

=========================================

Work Shown:

2 blue, 4 red, 5 green

2+4+5 = 11 total

P(blue) = probability of getting one blue marble

P(blue) = (number of blue)/(number total)

P(blue) = 2/11

A = P(2 blue) = (2/11)*(2/11) = 4/121

P(red) = 4/11

B = P(2 red) = (4/11)*(4/11) = 16/121

P(green) = 5/11

C = P(2 green) = (5/11)*(5/11) = 25/121

Add the values of A,B, and C to get the probability of getting two of the same color

A+B+C = 4/121+16/121+25/121 = 45/121

This is approximately equal to 0.3719 which is roughly a 37.19% chance of happening

Side note: we can add A,B, and C because they are mutually exclusive events.

6 0
3 years ago
Help me pleas. Math is not my thing it read.
crimeas [40]

Answer:

74900

Step-by-step explanation:

just multiply the two numbers.

3 0
3 years ago
Read 2 more answers
The diagonals of a parallelogram QRST, TR And QS, Intersect at point U, if RS = 10 , ST=12,And RU=9.5 , Find The Perimeter Of Th
Bond [772]
The answer is B. 44
7 0
3 years ago
Read 2 more answers
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