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Mekhanik [1.2K]
3 years ago
12

Simplify. 8 + 7 (4 [to the second power] - 3) Show Work.

Mathematics
2 answers:
Sauron [17]3 years ago
8 0

Answer:

99

Step-by-step explanation:

The answer is above. I attached the image below to show my work and how i got to that answer. I hope this helps!

bixtya [17]3 years ago
6 0
4^2 - 3 = 13

8 + 7 = 15

15 x 13 = 195

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Complete the equation so that it has solutions of -5 and 7<br> 2+
lorasvet [3.4K]

Answer:

x^2 -2x -35 = 0

Step-by-step explanation:

Lets's solve backwards

x = -5

Add 5 to both sides

x + 5 = 5 - 5

x + 5  = 0

and

x = 7

Subtract 7 from both sides

x - 7 = 7 - 7

x - 7 = 0

Finding the product of both linear functions

(x + 5)(x - 7) =0

x^2 -7x + 5x -35 =0

x^2 -2x -35 = 0

7 0
4 years ago
Based on the work shown on the right, check all of the possible solutions of the equation.
Mazyrski [523]

Incomplete question. However, here is a similar question attached.

Solve 3x^2 + 17x - 6 = 0.

Based on the work shown to the left, which of these values are possible solutions of the equation? Check all of the boxes that apply

A X=-6

B X=6

C X=-1/3

D X=1/3

E X=0

Answer:

A and D

Step-by-step explanation:

Note that such question requires using completing the square method of solving equations. By using the values X= -6 and X= 1/3 we arrive at a solution.

7 0
4 years ago
Given the standard form of the equation,solve for y, What is y if x=4?
erik [133]
Well, I'm not sure since you didn't post the equation but, all you have to do is plug in the number 4 where x is. So for example, say the equation given to you was y=6x+5. Just plug in 4 for x and you get y=6(4)+5, which is y=29. 
8 0
3 years ago
Whats the percent of 1 11/16 ???
shusha [124]
You would need to use a calculator.

1 11/16 = 27/16 = 1.6875

Now multiply 100 to it to make it a percentage:

1.6875 x 100 = 168.75

So your answer is 168.75 %
4 0
4 years ago
Read 2 more answers
Find the surface area of a cylinder with the height of 10 inches and a base diameter of 6 in ​
sweet-ann [11.9K]

Answer:

339.24

Step-by-step explanation:

To find the surface area, you will need to the the area of the base of the cylinder. To do that, use the formula A=pi (r)^2

The radius is half the diameter do r=3

3.14(3)^2 should give you about 28.27.

This is the area of the top and bottom of the cylinder.

Now, do 28.27x10=282.7 to find the height surface area.

282.7+28.27+28.27=Surface area.

SA= about 339.24

4 0
3 years ago
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