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2 years ago

What is the value of x that makes the equation true.please help!

Mathematics

1 answer:

irina1246 [14]2 years ago

4 0

Answer:

If you plug in 15. it makes the statement true

Step-by-step explanation:

x-5=10

x=15

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What is the value of n in the equation 0=18+128n^2?

lbvjy [14]

Answer:

$\large\boxed{\text{no soltion in the set of real numbers}}\\\boxed{n=-\dfrac{3}{8}i\ \vee\ n=\dfrac{3}{8}i\ \text{in the set of complex numbers}}$

Step-by-step explanation:

$18+128n^2=0\qquad\text{subtract 18 from both sides}\\\\128n^2=-18\qquad\text{divide both sides by 128}\\\\n^2=-\dfrac{18}{128}\\\\n^2=-\dfrac{18:2}{128:2}\\\\n^2=-\dfrac{9}{64}$

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2 years ago

What subtraction sentence does this show?

harina [27]

Ummmmmmmmmmmmm
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1 year ago

Which is a solution to the equation 6 x + y = 4 1, -10 2, -8 2, 8 1, 2

NISA [10]

Answer:

1,-10 and 2,-8

Step-by-step explanation:

If you substitute each answer choice:

6+-10=4

12+-8=4

12+8=4

6+2=4

The only ones that would make sense are the first and second one.

4 0

2 years ago

Ten times the sum of half a number and 6 is 8.

Sedaia [141]

That would be

$10( \frac{1}{2} n + 6) = 8$
$\frac{1}{2} n+6= \frac{8}{10}$
$.5n + 6 = .8$
$.5n = -5.2$
$n=-2.6$

Hope that helps :)

8 0

2 years ago

500(x - 3) = 5000 x = _____

olya-2409 [2.1K]

Answer:

Step-by-step explanation:

500(x - 3) =5000

x - 3 = 5000/500

x - 3 = 10

x = 10 + 3

x = 13

6 0

2 years ago

What is the value of x that makes the equation true.please help!​

What is the value of x that makes the equation true.please help!