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Nookie1986 [14]
1 year ago
11

What is the solution to this equation?

Mathematics
2 answers:
cluponka [151]1 year ago
8 0

Answer:x=-2

Step-by-step explanation:

distribute -6(x+7)=-30

-6x-42=-30

add 42 to both sides

-6x-42+42=30+42

simplify

-6x=12

solution x=-2

Gre4nikov [31]1 year ago
6 0

Answer:

x=-2

Step-by-step explanation:

-6(x+7)=-30\\\frac{-6(x+7)}{-6}=\frac{-30}{-6}\\x+7=5\\x+7-7=5-7\\x=-2

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There is a 30 percent chance that A can fix her busted computer. If A cannot, then there is a 40 percent chance that her friend
Solnce55 [7]

Answer:

(a) 0.70

(b) 0.40

Step-by-step explanation:

Mutually-exclusive events are those events which cannot occur together.

Consider that events X and Y are mutually exclusive.

P (X and Y) = 0

Here the two events can be defined as follows:

A = A can fix the busted computer

B = B can fix the busted computer

The information provided are as follows:

P (A) = 0.30

P (B) = 0.40

If A cannot, then there is a chance that her friend B can fix it.

The above statement suggest that the events A and B are mutually exclusive, i.e. if A can fix the computer then B does not have to and if cannot then only B will fix it.

That is, P (A and B) = 0.

(a)

Compute the probability it will be fixed by either A or B as follows:

P (A or B) = P (A) + P (B) - P (A and B)

                = 0.30 + 0.40 - 0

                = 0.70

Thus, the probability it will be fixed by either A or B is 0.70.

(b)

Compute the probability that if it is fixed it will be fixed by B as follows:

P (not A and B) = P (B) - P (A and B)

                         = 0.40 - 0

                         = 0.40

Thus, the probability that if it is fixed it will be fixed by B is 0.40.

8 0
3 years ago
What is the opposite operation of squaring? Using this opposite operation, rewrite the equation from question 1 so s is by itsel
Radda [10]
The opposite operation of squaring is to find the square root. I dunno what the original equation is so I can’t help with that
5 0
2 years ago
The measure of angle O is 110°. what is the angle of r and p?
sergij07 [2.7K]

Answer:

Choice D for Angle R

70 degrees for Angle P

Step-by-step explanation:

Google "central angles and inscribed angles geometry" for an explanation.

It's actually a poorly worded question.

7 0
3 years ago
Read 2 more answers
Help for brianilist! first answer will get brianilist!!!!!!!
stealth61 [152]
HI THERE!!!!!

The answer is your question is the second choice 59 in^2.

Here is how you can do it:
 
1. Area of rectangle = length*width = 7*4 = 28 square inches
2. Area of triangle on the top = 0.5*base*height = 0.5*7*6 = 21 square inches
3. Area of triangle on right side = 0.5*base*height = 0.5*4*5 = 10 square inches.

Now you can do the total area:
Add them all →→ 28+21+10 = 59

Hope this helps u out.;)P.S. id really appreciate brainliest thx

~ TRUE BOSS



7 0
3 years ago
Give the required elements of the hyperbola.
gizmo_the_mogwai [7]

Answer:

Virtically

Step-by-step explanation:The lines below are vertically

4 0
2 years ago
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