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3 years ago

Please HEEEELLPPP!!!!

Mathematics

1 answer:

inn [45]3 years ago

6 0

Answer:

Step-by-step explanation:

Because, m'lady that is kind of a slope, so it can't relate to the equation, it would be something else-

-kid

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Solve linear equation 1/4 x + 18 = X

Anton [14]

Answer:

Step-by-step explanation:

1 / 4 x + 18 = x

x / 4 + 18 = x

x = x / 4 + 18

x - x / 4 = 18

( 4x / 4 ) - ( x/4 ) = 18

( 4x - x ) / 4 = 18

3x / 4 = 18

3x = 18 * 4

x = ( 18 * 4 ) / 3

= 6 * 4

x = 24

3 0

2 years ago

Please help this is really hard for me I struggle on number lines please help

Katen [24]

Positive 18, going off the assumption that the tick 2 spaces away from -1 is positive 9.

8 0

2 years ago

Rhianna and Sauron a wrote 35 songs . They mad CDs with 7 songs on each CD. How many CDs did they have left after they sold 3 to

myrzilka [38]

35 songs/7 songs= 5 CDs

5-3=2 CDs left after they sold 3

8 0

2 years ago

Help!! I am going to fail my class!!! I will mark you brainiest!

adoni [48]

Answer:

600,000(.90) 327,290

Step-by-step explanation:

6 0

2 years ago

Mai invests $20,000 at age 20. She hopes the investment will be worth $500,000 when she turns 40. If the interest compounds cont

love history [14]

Answer:

$\approx$ 17.5% per annum

Step-by-step explanation:

Given:

Money invested = $20,000 at the age of 20 years.

Money expected to be $500,000 at the age of 40.

Time = 40 - 20 = 20 years

Interest is compounded annually.

To find:

Rate of growth = ?

Solution:

First of all, let us have a look at the formula for compound interest.

$A = P \times (1+\frac{R}{100})^T$

Where A is the amount after T years compounding at a rate of R% per annum. P is the principal amount.

Here, We are given:

P = $20,000

A = $500,000

T = 20 years

R = ?

Putting all the values in the formula:

$500000 = 20000 \times (1+\frac{R}{100})^{20}\\\Rightarrow \dfrac{500000}{20000} =(1+\frac{R}{100})^{20}\\\Rightarrow 25 =(1+\frac{R}{100})^{20}\\\Rightarrow \sqrt[20]{25} =1+\frac{R}{100}\\\Rightarrow 1.175 = 1+0.01R\\\Rightarrow R \approx17.5\%$

So, the correct answer is $\approx$ 17.5% per annum and compounding annually.

6 0

3 years ago