Easy question - giving brainly and lots of points if right

Mathematics

1 answer:

Mademuasel [1]3 years ago

5 0

Answer: There is no proof that the population increased by 10% every year. it is possible the first year increased by 8 the first year then 12 the next, giving a 20% increase.

Extra: the answer the the first and second year is x you must figure the x out if you want the answer to those

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B5%7D%20%20%7Bx%7D%5E%7B2%7D%20%20-%202%20%3D%20%20-%205" id="TexFormula1"

stira [4]

Firstly, add 2 to both sides of the equation: $\frac{3}{5}x^2=-3$

Next, multiply both sides by 5/3: $x^2=-5$

Next, square root both sides: $x= \pm \sqrt{-5}$

Lastly, factor out i (i = √-1) and <u>your answer will be $x= \pm \sqrt{5}i$ </u>

7 0

3 years ago

There are 150 students in the fifth grade in Washington Elementary School. 2/5 of the students like soccer best and 3/10 of them

monitta

Answer:

The fraction of students who likes soccer or basketball is 7/10.

Step-by-step explanation:

In this case we have two groups of students, the group a is the one that prefers soccer, while the second group is the one that prefers basketball. We then need to find the fraction that represents the students that are in either group, in these cases we need to take the fractions of each group and sum them. So we have:

soccer OR basketball = soccer + basketball

soccer OR basketball = 2/5 + 3/10

Through LMC we have:

soccer OR basketball = (2*2 + 3)/10 = (4 + 3)/10 = 7/10

The fraction of students who likes soccer or basketball is 7/10.

3 0

3 years ago

The equation y=15x+60 represents the total cost y,the security fee,and The hourly rate for renting a tool for x hours .Make a ta

Tamiku [17]

Here is a table that will help you understand. And the answer.