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2 years ago

1 - 10x = 81 Value of X?

Mathematics

2 answers:

igomit [66]2 years ago

4 0

x = -8

Step-by-step explanation:

Step 1: Subtract 1 from both sides

$1 - 10x - 1 = 81 - 1 \\ - 10x = 80$

Divide both sides of the equation by -10

$\frac{ - 10x}{ - 10} = \frac{80}{ - 10} \\ \\ x = - 8$

statuscvo [17]2 years ago

4 0

Answer:

-8

Step-by-step explanation:

1. Subtract 1 from each side of the equation ---> -10x = 80

2. Divide each side of the equation by -10 ----> x= -8

Then you get your answer of -8

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Solve for c. C= [?] Enter the number that goes beneath the radical symbol.

photoshop1234 [79]

Answer:

c=45

Step-by-step explanation:

by the pythagorean theorem, c = sqrt(3^2+6^2) = sqrt(9+36) = sqrt(45)

Therefore, c=45.

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3 years ago

How to solve and what is the answer

TiliK225 [7]

Two ways:
1) guess factors(trial and error)
2) use quadratic formula.
If you use this method then a = -3, b = -6 and c = -1

x = -b +/- [sqrt(b^2 -4ac)/2a]
substituting a, b, and c into our equation we get:
x = - (-6)+/- [sqrt ((-6)^2) - 4(-3)(-1))/2 (-3)]
x = + 6 +/- [sqrt (36 -4 (3)/-6)] if I didnt make a mistake in my signs
x = + 6 +/- [sqrt (36 -12)/-6)]
x = 6 +/- [sqrt (24)/-6] but sqrt 6 x sqrt of 4 = sqrt 24 hence
x = 6 +/- [ sqrt 6 x sqrt 4 /-6] that is:
x = 6 +/- [sqrt 6 x 2 /-6 ]
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7 0

3 years ago

To form 3 adjacent squares (as in the figure), 10 toothpicks are required. How many toothpicks are required to form 50 adjacent

nalin [4]

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3 years ago

This question relates to concepts covered in Lectures 1 & 2. You can use any of the excel files posted to work through the q

liubo4ka [24]

Answer:

mean of this demand distribution = 100

Step-by-step explanation:

To find the mean of this demand distribution;

Mean = Expected vale = E[x]

for discrete provability function,

we say E[x] = ∑(x.p(x))

x p(x) x.p(x)

10 0.1 1

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7 0

2 years ago

Dmitry_Shevchenko [17]

Answer :-  option 3rd !!

Step-by-step explanation:

∆FGE ~ ∆ JKL

i.e, Angle FGE = angle JKL = 63°

and angle GEF = angle KLJ = 29°

also, angle GFE = angle KJL = 88°

so, the ∆FGE ~ ∆ JKL by AA property of similarity !!

• not other options because if we take corresponding angle they are not equal

For eg. for ∆ EFG ~ ∆ JKL

the angle EFG must be equal to angle JKL to be similar !!

but they are not equal !!

so, they are not similar !!

and such ,all other options except 3rd is wrong !!

7 0

2 years ago

Read 2 more answers