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3 years ago

What is the value of the expression below if m = 12? Зm - (m + 18) HELP

Mathematics

2 answers:

Shkiper50 [21]3 years ago

3 0

Answer:

aghbbfhbvcjfjdudjxjxjfj

andriy [413]3 years ago

3 0

It might be 6 ngl.

because 36 - (12+18)

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Find the sum and express it in the simplest form. (2x^2+3x-4)+(x^2-x-2)

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18 hope it helped!!

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tysm

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3 years ago

In the triangles,BC is congruent to RS and AC is congruent to TS If RT is greater than BA, which correctly compares angles C and

svp [43]

The answer is B i just took the test m∠C < ∠S

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3 years ago

Read 2 more answers

Solve the equation for x.

liq [111]

Answer:

$x=55$

Step-by-step explanation:

The given equation is $\sqrt{x-6}+3=10$

Group similar terms to get:

$\sqrt{x-6}=10-3$

$\sqrt{x-6}=7$

Square both sides to obtain:

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Add 6 to both sides

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3 years ago

Given that f(x) = 19x2 + 152, solve the equation f(x) = 0

telo118 [61]

Option A

The solution is:

$x = \pm 2i \sqrt{2}$

Solution:

$f(x) = 19x^2+152$

We have to solve the equation f(x) = 0

Let f(x) = 0

$0=19x^2+152$

Solve the above equation

$19x^2 + 152 = 0$

$\mathrm{Subtract\:}152\mathrm{\:from\:both\:sides}\\\\19x^2+152-152=0-152\\\\Simplify\ the\ above\ equation\\\\19x^2 = -152\\\\\mathrm{Divide\:both\:sides\:by\:}19\\\\\frac{19x^2}{19} = \frac{-152}{19}\\\\x^2 = -8$

Take square root on both sides

$x = \pm \sqrt{-8}\\\\x = \pm \sqrt{-1}\sqrt{8}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\x = \pm i\sqrt{8}\\\\x = \pm i \sqrt{2 \times 2 \times 2}\\\\x = \pm 2i\sqrt{2}$

Thus the solution is found

5 0

3 years ago

What are all the prime and composite factors of 45

Helen [10]

I may not know many but here it goes...
1,3,5,9,45

Hope this helped you!

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3 years ago