Solve the equation for the given variable k/3-11=-20

Answers

Answer 1

Answer: $(k)/(3-11)$ = - 20

You can subtract the numbers in the parenthesis:
(3-11) = (-8)

Multiply the denominator to both sides so it cancels out and isolates the variable $(k)/(-8)$ × -8 = - 20 × -8
-8 and -8 cancels out

k = 160

Quick check:
$(160)/((3-11))$ = -20
$(160)/(-8)$ = - 20
- 20 = - 20
Yes its right

the answer is: k =160

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Suppose S and T are mutually exclusive events, P(S) = 5%, and P(T) = 11%. Find P(S or T).

I am a solid figure with faces that are polygons.

Answers

Hey There!

A solid figure with polygon faces is called the Polyhedron.

Have A Brainly Day :)

A polyhedron

Let God bless your night !

If x>o, which of the following is equivalent to the expression(√x) (√2)?

2x
√2x
x√2
x²√2

Answers

Answer:

√2x.

Step-by-step explanation:

√x * √2 = √(2x).

Its the second option.

Answer:

The correct answer is: √2x

Step-by-step explanation:

We (must to) know that is:

√a · √b ⇔ √ab

God with you!!!

HELP HELP HURRY!!!!!Which point is located on ray PQ?

A. point M
B. point N
C. point O
D. point R

diagram shown below...

(((<--------M---------N---------O------P--------Q----------R--------S--------->)))

Answers

Answer:

Point R located on ray PQ.

Step-by-step explanation:

Given : Diagram

To find : Which point is located on ray PQ.

Solution : We have given <--------M---------N---------O------P--------Q----------R--------S--------->.

Ray : A part of a line with a start point but no end point (it goes to infinity).

We can see from the diagram ray PQ start from P but it has no end point.

So , point R ans S located on ray PQ but we have option R

Therefore, D. point R located on ray PQ.

If the entire ray is PQ, then all of those points lie on the ray.

Which of the following is not a name of a valid chemical formula? Select one:
a. carbon chloride
b. nitrogen monoxide
c. copper (II) carbonate
d. chloric acid

Answers

Among the compounds given, the one that is not valid is a. carbon chloride. a compound composed of non-metals should have prefixes that is related to the number of atoms of the elements present. In this case, the other cmopounds are considered valid but not A

The correct answer is: Option (a) Carbon Chloride

Explanation:
Carbon has four valence electrons; therefore, it would require 4 more electrons to become stable. Chlorine, however, has seven (7) valence electrons. So it would require only one electron to become stable. In this case, as in the name, carbon chloride, the word chloride refers to the compound that is stable, which in this case cannot be possible (as carbon requires 4 electrons, and chlorine only has 7). If chlorine had 4 valence electrons, then it would be possible. Hence, the correct option is (a) Carbon Chloride.

Consider two events such that P(A) = 1/3, P(B) = 4/5, and P(A ∩ B) = 4/15. Are events A and B independent events?Yes, they are independent because P(A) ⋅ P(B) ≠ P(A ∩ B)
No, they are dependent because P(A) ⋅ P(B) = P(A ∩ B)
Yes, they are independent because P(A) ⋅ P(B) = P(A ∩ B)
No, they are dependent because P(A) ⋅ P(B) ≠ P(A ∩ B)

Answers

Yes, they are independent because P(A) ⋅ P(B) = P(A ∩ B)

A submarine descends 45 meters on its first dive. It then descends another 40 meters. What integer represents the total descent in meters for the two dives?

Answers

Answer:

85 meters in total

Step-by-step explanation:

The submarine first descended 45 meters and then 40 meters

45+40=85

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