MATHEMATICS HIGH SCHOOL

Which problem is equivalent to 12/18A
18 ÷ 12

B
12 ÷ 18

C
12 x 18

D
12 x 12 x 18

Answers

Answer 1
Answer:

Answer:

B

Step-by-step explanation:

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If x2 - 4 = 45, then x could be equal to
9
3
5
-7
-4

Answers

x^(2) - 4 = 45

x^(2) = 45 + 4

x^(2) = 49

\sqrt{ x^(2) } = √(49)

x = 7
Hi:))

x² - 4 = 45

X² = 45 + 4

X² = 49

√x² = √49

x = 7

ok the 100 point question is... if i am walking to work at 6:00 and it takes me three hours to get there, and jimmy walks to the same place of work two hours later at 8:00 walking two mph faster than me, what time did i get to work?

Answers

9:00 tricky question also
ok so at 6:00, you start walking. It takes me 3 hours to get there
6+3=9
you got there at 9:00
no idea what the jimmy buisieness is

I really need help on this geometry question, please, and thank you.

Answers

Answer:

250

Step-by-step explanation:

you have to use the fact that the big triangle and the small triangle are similar and write the proportions

(125)/(10) =(AB)/(10)  we took half of the side because of ΔABD and ΔBD..

AB= (125*10)/10=125

is AB =125 then AC is duble AC= 2*125=250

Social Security is supplemental retirement income and should not be the only thing a retiree relies on.

Answers

if its true or false the answer is true

5-2 cos (3x + pie divide 2) + 2

Answers

This should be the answer. I haven't Cos, Sine, and Tangent involving x in a while.
5-2cos(3x+3.14/2)+2=7.299838055
7.3

What is the only solution of 2x2 + 8x = x2 – 16

Answers

If you would like to solve the equation 2 * x^2 + 8 * x = x^2 - 16, you can calculate this using the following steps:

2 * x^2 + 8 * x = x^2 - 16
2 * x^2 - x^2 + 8 * x + 16 = 0
x^2 + 8 * x + 16 = 0
(x + 4) * (x + 4) = 0
x = - 4

The correct result would be x = - 4.

Answer:

x = -4 is the only solution.

Step-by-step explanation:

The given equation is 2x² + 8x = x² - 16

We can find the value of x by solving the equation.

(2x² + 8x) - x² = (x² - 16) - x²

x² + 8x = - 16

(x² + 8x) + 16 = (-16) + 16

x² + 8x + 16 = 0

(x + 4)² = 0 [ Since a² + b² + 2ab = (a + b)²]

⇒ (x + 4) = 0

x = -4

Therefore, x = -4 is the only solution of the given equation.
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