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ladessa [460]
3 years ago
6

4-(-5) Integer Rules

Mathematics
1 answer:
Korvikt [17]3 years ago
3 0

Step-by-step explanation:

4-(-5)

= 4+5

= 9

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

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Help on this please it's urgent
boyakko [2]

Answer:

5(a_7)=5a_5*7 or 5a_35

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Hey can anyone solve this for me? Thank you!
Alika [10]

he answer that you should get is

250+100c+400= y

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<img src="https://tex.z-dn.net/?f=%20-%20x%20%5E%7B2%7D%20%20%2B%202x%20-%206%20%3D%200" id="TexFormula1" title=" - x ^{2} + 2x
Nimfa-mama [501]

Answer:

there are several methods to "solve a quadratic"

you can look them all up...

Graphing, factoring, completing the square, taking roots, quadratic formula are the common methods....

given the way you are asking the question I think that you are supposed to use the quadratic formula ..

please look at the image of the formula and

realize that you problem has

a=-1

b=2

c=6

just plug in those numbers into the formula and you will get the results in the "answer"

NOTE \sqrt{-x} is written as ix ( \sqrt{-25}  = 5i )

Step-by-step explanation:

x= <u>-2+√ (2)²- (4)(-1)(-6)  </u>

                 (2)(-1)  

and

x= <u>-2-√ (2)²- (4)(-1)(-6)  </u>

             (2)(-1)  

8 0
3 years ago
OD
MAXImum [283]
I need help tooooo cause at this point it’s frustrating me
4 0
3 years ago
A cash register contains 10$ bills and 20$ bills total value of 340 if there are 23 bills total then how many of each does the r
Solnce55 [7]

Answer:

There are 12 bills of 10$ and 11 bills of 20$

Step-by-step explanation:

Let

x ------> number of 10$ bills

y -----> number of 20$ bills

we know that

x+y=23 -----> x=23-y -----> equation A

10x+20y=340 ----> equation B

substitute equation A in equation B and solve for y

10(23-y)+20y=340

230-10y+20y=340

10y=340-230

y=110/10=11

Find the value of x

x=23-y ----> x=23-11=12

therefore

There are 12 bills of 10$ and 11 bills of 20$

3 0
3 years ago
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