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wlad13 [49]
3 years ago
10

I really need the answers as soon as possible. So I hope you answer this

Mathematics
1 answer:
SpyIntel [72]3 years ago
8 0
Ignore bottom one please brainiest. edit: add cubed after the second bracket

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Which equation can be solved using the expression StartFraction negative 3 plus-or-minus StartRoot (3) squared + 4 (10) (2) EndR
katen-ka-za [31]

Answer: B.  2 = 3x + 10x2

Step-by-step explanation:

This is the concept of quadratic equations; We required to find the type of equation that can be solved using the model that has been used to solve the equation such that the answer is:

[-3+-sqrt(3^2+4(10)(2))]/(2(10))

The formual that was applied here was a quadratic formula given by:

x=[-b+\-sqrt(b^2-4ac)]/2a

whereby from the our substituted values above,

a=10,b=3 and c=-2

such that the quadratic equation will be:

10x^2+3x-2 

3 0
3 years ago
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If a number is divisible by 3 and 5 then it is divisible by 15
koban [17]

Answer:

Yes!

Step-by-step explanation:

Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.

Example:

45

45/3 = 15

45/5 = 9

45/15 = 3

6 0
3 years ago
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What is the value of u + v + w when u = –10, v = 4, and w = 8?
Y_Kistochka [10]
The answer is b. 2. It is 2, because -10 plus 4 is -6. Then -6 plus 8 is 2.
5 0
3 years ago
The volume of Cylinder A is 189 ft and the
andrezito [222]

Answer:

27:8

Step-by-step explanation:

189/56 = 27/8

6 0
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What is the veritable expression of<br> A number plus the product of<br> the number minus 5 and 7
vivado [14]

Answer:

x + 7(-5)

Step-by-step explanation:

Not sure if this is right or not...

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