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Alinara [238K]
3 years ago
15

Help it's due tomorrow!!!!

Mathematics
1 answer:
zepelin [54]3 years ago
5 0
8a^2 + 3a^2

11a^2 

since both have a^2 you only have to add the coefficients 
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Is there a proportional relationship? A salt water solution for and aquarium calls for 35 parts of salt to 1000 parts of water t
morpeh [17]

Answer:

Yes

Step-by-step explanation:

To check proportionality :

35 α 1000

35 = 1000k

k = constant of proportionality ;

Divide both sides by 1000 to obtain k

35 / 1000 = 1000k / 1000

0.035 = k

For the ratio Given :

Ratio of 7 parts of salt and 200 parts of water

7 : 200

7 / 200

= 0.035

Since,

k = 0.035 ; 7 / 200 = 0.035

Hence, a proportional relationship exists.

7 0
2 years ago
Select the correct answer. robin randomly selects a number between 1 and 20. what is the probability that the number selected is
Vlada [557]

The probability that the number selected is the square of a natural number will be  \frac{1}{5}.

<h3 /><h3>What is probability?</h3>

Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1.

Its basic meaning is something is likely to happen. It is the ratio of the favorable event to the total number of events.

P is the probability

F(E) is the favorable event

T(E)is the total event

The probability is found as;

\rm P = \frac{F(E)}{T(E)} \\\\ \rm P = \frac{4}{20)} \\\\ \rm P = \frac{1}{5}

Hence the probability that the number selected is the square of a natural number will be  \frac{1}{5}.

To learn more about the probability link is given below.

brainly.com/question/795909

8 0
2 years ago
The table represents a linear function. A two column table with six rows. The first column, x, has the entries, negative 2, nega
Radda [10]

Answer: The slope is 3

Step-by-step explanation:

For each unit of run in the x-values, there is an increase of 3 in the y-values. Slope is Rise over Run so 3/1 = 3

8 0
3 years ago
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What function is graphed below???
malfutka [58]
Y=2x+3 third one
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3 0
2 years ago
A ball is thrown up in the air from 5 feet above the ground level. The ball reached a height of an additional 6 feet in approxim
Musya8 [376]

Answer:it’s F

Step-by-step explanation:

It’s F

6 0
2 years ago
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