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Firlakuza [10]
3 years ago
5

What is the value of y in the equation y − 7 = 21? (4 points)

Mathematics
2 answers:
labwork [276]3 years ago
8 0

Answer:

4

Step-by-step explanation:

y-7=21

+7 +7

y=21+7

y=28

Ugo [173]3 years ago
6 0

Answer:

4) 28

Step-by-step explanation:

Isolate the y

add 7 to both sides

y - 7  = 21

y - 7 (+7) = 21 (+7)

y = 21 + 7

y = 28

28 is your answer

hope this helps :D

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A sphere has a volume of 288 Pi in^3. Find the surface area of the sphere
lorasvet [3.4K]

Answer:

Step-by-step explanation:

The formula for determining the volume of a sphere is expressed as

Volume = (4/3) × πr³

The volume of the given sphere is expressed as 288π inches³. It means that

(4/3) × πr³ = 288π

4r³/3 = 288

4r³ = 3 × 288 = 864

r³ = 864/4 = 216

Taking cube root of both sides, it becomes

r = 6

The formula for determining the surface area of a sphere is expressed as

Area = 4πr²

π = 3.14

Therefore,

Surface area = 4 × 3.14 × 6² = 452.16 inches²

7 0
3 years ago
Please help me with this question
777dan777 [17]

Answer:

51

Step-by-step explanation:

102 divided by 2 is 51

3 0
3 years ago
Read 2 more answers
The functions f(x) and g(x) are described below:
AfilCa [17]

Answer:

15 units.

Step-by-step explanation:

The given functions are:

f(x)=3x-7


and


g(x)=3x+8


The function f(x)=3x-7 has y-intercept , -7.


The function g(x)=3x+8 has y-intercept, 8


If we shift the graph of g(x) up to obtain f(x), then the y-intercept must move from -7 to 8.


This means that the graph will move up by;


8--7=8+7=15 units.



8 0
3 years ago
Read 2 more answers
PLEASE HELP ME
natulia [17]

<u>Answer:</u>  

Broker1 with $66.

Broker2 with $54.25

Broker4 with $50

Broker3 with $47.5

Broker5 with $33.5

<u>Explanation : </u>

Total number of shares Cindy have : 300

Market Price per share : $25  

Total price for the shares : 300 \times$25

                                        = $7500

Now ,

<u>Case 1: </u>

Commission provided by broker1 = 0.75%

Online fees provided by broker1 = $ 10

Total price provided by broker1= \frac{75}{10000}\times7500 +$10

                                                =$66.25

<u>Case 2:  </u>

Commission provided by broker2= 0.5%

Online fees provided by broker2=$17

Total price provided by broker2= \frac{5}{1000}\times 7500 + $17

                                                =$54.5

<u>Case 3: </u>

Commission provided by broker 3= 0.6% for 100 0r few  

Not applicable because  the total shares are 300

For over 100 shares

Commission provided= 0.5%

Online fees = $10

Total price =  \frac{5}{1000}\times 7500 + $10

                =$47.5

<u>Case 4: </u>

For more than 100 shares

Online fees for buying and sharing= $50

Total price = $50

<u>Case5 : </u>

Commision for a share bought or sold = 0.05%

Online fees =$30

Total Price= \frac{5}{10000}\times 7500 + $30

                 =$33.75

6 0
3 years ago
Read 2 more answers
Answer please You feeling lucky punk
Ksivusya [100]

Answer:

Final velocity is 3

Change in velocity is 4

Initial velocity is 2

Instantaneous velocity is 1

Acceleration is 5

7 0
3 years ago
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