3 years ago

8 times a number is equal to 56

Mathematics

1 answer:

maria [59]3 years ago

6 0

The answer is seven. Fifty-six divided by eight is seven.

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What are the solutions to the equation x2−12x+100=0?

marysya [2.9K]

Answer:

$x=6+8i$

$x=6-8i$

Step-by-step explanation:

$x^2-12x+100=0$

solve by quadratic formula.

$\frac{-b+-\sqrt{b^2-4(a*c)} }{2*a}$

$\frac{12+\sqrt{(-12)^2-4*(1*100)} }{2*1}$

$\frac{12-\sqrt{(-12)^2-4*(1*100)} }{2*1}$

which is

$x=\frac{12+16i}{2}$

$x=\frac{12-16i}{2}$

Simplify.

$x=6+8i$

$x=6-8i$

Solved.

Hope this helps.

8 0

2 years ago

PLEASE answer correctly i will mark brainliest thanks

Fiesta28 [93]

Answer:

15 25 25 65

10 05 20 35

25 30 45 100

First column is 6th grade, second is 7th, third is 8th and the last column is total

6 0

3 years ago

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Select all the correct questions which equation has real solutions but too complex solutions?

bija089 [108]

Answer:

1 and 4

Step-by-step explanation:

the top left corner and bottom left corner

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3 years ago

Help plz:)))I’ll mark u Brainliest

frez [133]

It’s 15/30=x/34
you divide 15/30 gives you 1/2 then you multiply by 34 gives you 17 thats your answer
x= 17

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4 years ago

How far apart are -29.6 and 13.3

ANEK [815]

Answer:

-42.9

Step-by-step explanation:

(-29.6)-13.3= -42.9

7 0

3 years ago