MATHEMATICS MIDDLE SCHOOL

What is the value of n? -10= n/-0.2

Answers

Answer 1
Answer:

n/0.2=-10

Goal: Make n by itself!

Solution: We can do this by multiplying each side by -0.2

-10 * -0.2=2

I hope this helps! If you have anymore questions, please feel free to contact me!
Answer 2
Answer: -10=n/-0.2
you want to get n by its self so you multiply the -0.2 on both sides
-10*0.2=n
2=n

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Wesley and Mia deposit $800.00 into a savings account which earns 15% interest compounded annually. They want to use the money in the account to go on a trip in 2 years. How much will they be able to spend?where A is the balance (final amount), P is the principal (starting amount), r is the interest rate expressed as a decimal, n is the number of times per year that the interest is compounded, and t is the time in years.
Round your answer to the nearest cent.

Answers

Answer:

1,058

Step-by-step explanation:

Interest= 800(.15)= 120 1 yr interest

A= 800 + 120= 920 on the 1st year

920 (.15)= 138 int. on the 2nd year

Therefore, 920+ 138= 1,058 final amount after 2 yrs.

Howto multiply 30 times 30 HELP

Answers

30=3 times 10 right so
30 times 30=3 times 10 times 3 times 10=3 times 3 times 10 times 10
we know that 3 timmes 3=9
and 10 times 10 is 100
so 30 times 30=9 times 100=900
Here is a way I was thought with zeroes, first do 3x3 which is 9 then since there are 2 zeroes you tack on 2 zeroes at the end to get 900. Hope this helped.

A 56 kg miniature horse weighs 268 fewer kilograms than shetland pony

Answers

let
x--------> Shetland pony's weigh
y--------> Miniature horse's weigh

we know that
y=56 kg
x=268+y \n x=268+56 \n x=324 kg

the answer is
Shetland pony's weigh is 324 kg
If the mini horse is 56kg and it's 268kg less than a Shetland pony then a Shetland pony would weigh 56+268=324kg

Find the recursive formula of the arithmetic sequence
14,30,46,62

Answers

Answer:

a_n=a_(n-1)+16

Step-by-step explanation:

The given arithmetic sequence is

14,30,46,62

The first term of this sequence is

a_1=14

The common distance is obtained by subtracting a subsequent term from a previous term;

d=30-14

The common difference is

d=16

The recursive formula is given by:

a_n=a_(n-1)+d

We now plug in the known value for the common difference to get;

a_n=a_(n-1)+16

Answer: what the ather guy said

Step-by-step explanation:

How can you determine the coordinates of any image that is dilated with the center of dilation at the origin without graphing? Explain your reasoning.

Answers

Answer:

The image of point (x , y) by dilation with center origin and scale factor k is (kx , ky)

Step-by-step explanation:

* Lets talk about dilation

- A dilation is a transformation that changes the size of a figure.  

- It can become larger or smaller, but the shape of the

 figure does not change.  

- The scale factor, measures how much larger or smaller  

  the image will be

- If the scale factor greater than 1, then the image will be larger

- If the scale factor between 0 and 1, then the image will be smaller

* In a problem  of dilation

∵ The center of dilation is the origin

∵ The scale factor of dilation is k

∵ The point is (x , y)

- In dilation with center origin and scale factor k to find the image

 of the point multiply each coordinates of the point by the scale

 factor k because the distance d between the point and the

 origin will be equal kd which is the distance between the origin

 and the image of the point d is depending on the coordinates

 of the point

∴ The image of point (x , y) by dilation with center origin and

   scale factor k is (kx , ky)

* Ex: If point A is (3 , 4)

∵ The distance from the origin to point A = \sqrt{(3)^(2)+(4)^(2)}=√(9+16)=√(25)=5

∵ The scale factor of dilation is 2 and the center is the origin

∴ The image of A is A' = (3 × 2 , 4 × 2) = (6 , 8)

∵ The distance from the origin to point A' = \sqrt{(6)^(2)+(8)^(2)}=√(36+64)=√(100)=10

∵ 10 ÷ 5 = 2 which is the value of the scale factor

∴ The image of point (x , y) by dilation with center origin and

   scale factor k is (kx , ky)

Please look at picture

Answers

The answer is 25. You would divided 355 by 14 and you would get 25.3571428571 and you would round it to 25 because it is impossible to have 25.3571428571 crates
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