3 years ago

What equation is equivalent to the equation 9x - 13 = 4x + 32

Mathematics

1 answer:

Zigmanuir [339]3 years ago

8 0

I’m guessing if you simplify this it’s gonna be x=6

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Your checking account balance is $50. You spend $11 and then deposit $27. What is your current balance?

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then you add 27 from that answer to get 66

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A cone has a height of 20 millimeters and a radius of 8 millimeters. What is its volume?

sdas [7]

Answer:

Step-by-step explanation:

the volume of the cone:

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When graphing a complex number, which axis represents the imaginary part of the number? Is it the vertical or the horizon axis?

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3 years ago

What was the interest rate if your balance on an investment of $857 at the end of six years is $1268.36

Pavel [41]

Answer:

The rate of interest is 9.5092%

Step-by-step explanation:

Given as :

The investment amount = p = $857

The Amount after 6 years = A = $1268.36

The time period = t = 6 years

Let The rate of interest = r%

<u>Now, From Compound Interest method </u>

Amount = Principle × $(1+\dfrac{\textrm rate}{100})^{\textrm time}$

Or, A = p × $(1+\dfrac{\textrm r}{100})^{\textrm t}$

Or, $1268.36 = $857 × $(1+\dfrac{\textrm r}{100})^{\textrm 6}$

Or, $\dfrac{1268.36}{857}$ = $(1+\dfrac{\textrm r}{100})^{\textrm 6}$

Or, 1.48 = $(1+\dfrac{\textrm r}{100})^{\textrm 6}$

Taking power $\dfrac{1}{6}$ both side

So, $1.48^{\frac{1}{6}}$ = $((1+\dfrac{r}{100})^{6})^{\frac{1}{6}}$

Or, 10.5092 = 1 + $\dfrac{r}{100}$

Or, 10.5092 - 1 = $\dfrac{r}{100}$

Or, 9.5092 = $\dfrac{r}{100}$

∴ r % = 9.5092

So , The rate of interest = r = 9.5092 %

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4 years ago

Can i get some help with this im kinda confused

Iteru [2.4K]

Answer: -22, -28 -34

Step-by-step explanation:

Subtract 6 from every number

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