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natita [175]
3 years ago
13

PLS HELP WILL MARK BRAINLIEST Question 13

Mathematics
2 answers:
Alika [10]3 years ago
5 0

Answer:

I think that the answer is D (13,20)

elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

A, C

Step-by-step explanation:

if you plug in the x & y values, you can easliy get the answer, so for the first one, it would be

4-10=-6 which is correct

if you do this for all of them you can find which ones are correct.

5-8=-3 so B is not correct

20 - 26 = -6 so C is also correct

13 - 40 = -27 so D isnt correct

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15 is 30% of what number?
777dan777 [17]
15 is 30% of 50 

Change the percentage to a decimal by dividing it over 100:
\frac{30}{100} = 0.3

Divide 15 over 0.3:
\frac{15}{0.3} = 50

3 0
3 years ago
Read 2 more answers
In circle O, central angle AOB measures
GalinKa [24]

Answer: 6 (pi)

Step-by-step explanation:

Feta/3 = (arc)/Radius

5 0
3 years ago
10) Show that in a group of 10 people (where any two people are either friends or enemies), there are either three mutual friend
ddd [48]

Answer with explanation:

Number of People in the group =10 People

The combination between two people is that, they can be either friends or enemies.

Total number of Possible Relation

                            =18 +16+14+12+10+8+6+4+2

                            = 90 Relations in all.

Out of 90 relations , 45 will be friends and 45 will be enemies.

⇒Now, we have to prove that, between 10 people, there are either three mutual friends or four mutual enemies, and there are either three mutual enemies or four mutual friends.

→→If there are three mutual friends, total number of people in the group =3 ×2=6 people in the group

And, four mutual enemies in a group means there are 2 people in each group.

So, total number of people if we combine the two groups in which there are either three mutual friends or four mutual enemies

   =6 +4

   =10

Hence proved.

→→→→Second part is ,in this group there can be either three mutual enemies or four mutual friends.

⇒If there are three mutual enemies, total number of people in the group =3 ×2=6 people in the group

And, four mutual friends in a group means there are 2 people in each group.

So, total number of people if we combine the two groups in which there are either three mutual enemies or four mutual enemies

   =6 +4

   =10

Hence proved.

3 0
3 years ago
30 Points! The average distance from the sun to the planet Mercury is about 58,000,000 km. What is the distance from the sun to
stellarik [79]

 58,000,000 km.

5.8 × 10⁷ Km

0.0025 cm

2.5 × 10⁻³ cm

5.8 × 10⁷ Km > 2.5 × 10⁻⁸


8 0
3 years ago
Simplify (-32) ÷ (-4)
Keith_Richards [23]

\bold{Hey\ there!}

\bold{Guide\downarrow}

\bold{Negative} & \bold{Negative} =\bold{Positive}

\bold{Positive} & \bold{Negative} = \bold{Negative}

\bold{Positive} & \bold{Positive} = \bold{Positive}

\bold{Negative} & \bold{Positive} = \bold{Negative}

\bold{(-32)\div(-4)}

\bold{=32\div4}

\bold{=8}

\boxed{\boxed{\bold{Answer: 8}}}\huge\checkmark

\text{Good luck on your assignment and enjoy your day!}

~\frak{LoveYourselfFirst:)}

3 0
3 years ago
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