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liq [111]
3 years ago
12

The sum of a number and twice its square is 105. Find the number

Mathematics
1 answer:
IRISSAK [1]3 years ago
3 0
N+2^2=105
105-4=101
n=101
hope it helps please mark me as brainliest
 
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HELP ME WITH INEQUALITES ON GRAPHS!!! any knowledge is helpful!!!!
iris [78.8K]
If you go on khan academy, you would have all the answers. Just type graphing system of inequality’s and checking solutions
5 0
2 years ago
The cost of an iPhone is $899.99 plus 8.5% tax. What is the cost of tax for the iPhone?
Sliva [168]

Answer:

724.0915

Step-by-step explanation:

multiply 899.99 and 8.5 you get 724.0915

hope this helps

7 0
2 years ago
LA and B are vertical angles. If m_A = (5x + 5) and m_B = (4x + 29), then find the measure of_A.​
OverLord2011 [107]

Answer:

If A and B are vertical angles, then they are congruent, so their measures are equal.

This means

(5x + 5)º = (4x + 29)º

5x + 5 = 4x + 29

x = 24

Then angle A has measure (5*24 + 5)º = 125º.

Step-by-step explanation:

5 0
2 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
3 years ago
What is the Slope and y intercept
Inessa [10]

Answer:

The slope is .075 and the y intercept is -.125

Step-by-step explanation:

8y = .2(3x -5)

Distribute the .2

8y = .6x - 1

Divide by 8

8y/8 = .6x/8 -1/8

y = .075x -.125

This is in slope intercept form  y= mx+b  where m is the slope and b is the y intercept.

The slope is .075 and the y intercept is -.125

5 0
3 years ago
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