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IRINA_888 [86]
2 years ago
8

Solve for x in the equation x^2 - 8x + 40 = 0​

Mathematics
1 answer:
laiz [17]2 years ago
5 0

Answer:

Conclusion : Trinomial can not be factored

Step-by-step explanation:

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James invests some money into an account that pays 4% compounded annually. If the account has $851.66 after 5 years, how much di
Charra [1.4K]

Answer:

the third option, "what number, when added to negative four, is equal to negative five?"

Step-by-step explanation:

"what number, when added to negative four, is equal to negative five?" can be expressed as g + (- 4) = - 5, which is the same as in the equation.

i hope this helps! :D comment if you need any clarification.

6 0
2 years ago
Which point would not be a solution to the system of linear inequalities shown below?
Bumek [7]

Answer:

C

Step-by-step explanation: looks right

dont  trust it though

4 0
2 years ago
How do I find and what is the x?
Kisachek [45]

Answer:

STEP ONE: 2x

STEP TWO: 5=X (should be the final answer)

Step-by-step explanation:

Hi Lasagna!

So basically, this is extremely simple. In order to "solve" that equation, the x has to be on one side. The easiest way to do this would be to take the 2x to the other side. If you want the 2x to go to the other side, you need to subtract it (since it is already positive, therefore it <em>needs </em>to cancel out). Once you do that, you must always do the same thing to the other side: subtract 2x from 3x. That should get you one x there, which you can just write as x if it's just one. Then you're all set! :D

5 0
3 years ago
Read 2 more answers
Which number does 9 have a value that is 1/10 times as small as it’s value in 891
Arisa [49]

Answer:

9

Step-by-step explanation:

H T U

8. 9. 1

9 tens

1/10×10= 1

1 is a unit

I believe d answer is 9

pls like and follow

4 0
2 years ago
Read 2 more answers
I need help!!! Pleasssse!!!!
Zinaida [17]
Given the ratio, you know that:
length = 6x
width = 2x
height = 7x

Because the sum of the length and the width is 24 cm, you can write the equation:
6x + 2x = 24
Solve:
8x = 24
x = 3

Plug the 3 back into the expressions written earlier for length, width, and height.
length = 18 cm
width = 6 cm
height = 21 cm

Use the formula SA = 2B + Ph to solve for the surface area.
Surface Area = 2(area of the base) + (perimeter of the base)(height)

I'm going to plug in l, w, and h as variables for length, width, and height to show the exact way to solve for the B and P.
SA = 2lw + 2(l + w)h
SA = 2(18)(6) + 2(18 + 6)(21)
SA = 216 + 2(24)(21)
SA = 216 + 1008
SA = 1224

The surface area is 1,224 cm^2.


7 0
3 years ago
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