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topjm [15]
3 years ago
9

7=3/8x-2 What is the answer show your work

Mathematics
2 answers:
satela [25.4K]3 years ago
5 0

7=3/8x-2

move -2 to the other side

sign changes from -2 to +2

7+2=3/8x-2+2

7+2=3/8x

9=3/8x

multiply both sides by 8/3 to get x by itself

9(8/3)=3/8x(8/3)

pretend that 9 has a denominator which is 1

cross out 9 and 3, divide by 3 and then becomes 3*8=24

answer:

x=24

Marina CMI [18]3 years ago
4 0

Answer:

x = 24

Step-by-step explanation:

Firstly, isolate x by adding 2 to both sides.

9 = 3/8x

Then, multiply 8 to both sides.

72 = 3x

Then, divide both sides by 3.

24 = x

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Write a ratio for each situation in three ways .between 1899 and 1900,284 out of 1000 people in the united states were 5 to 17 y
Tanya [424]
5:17, 1899 to 1900, 284/1000

4 0
3 years ago
{d(1) = 2.7 d(n) = d(n-1) x (6.1) find the explicit formula for d(n) <br><br> d(n) = ?
laiz [17]

The explicit formula of the function d(n) is d(n) = 2.7 * 6.1^{n-1

<h3>How to determine the explicit formula?</h3>

The function is given as:

d(1) = 2.7

d(n) = d(n-1) x (6.1)

The above means that the function is an exponential function, and it has the following parameters:

First term, d(1) = 2.7

Common ratio, r = 6.1

The explicit formula of an exponential function is:

d(n) = d(1) * r^{n-1

So, we have

d(n) = 2.7 * 6.1^{n-1

Hence, the explicit formula of d(n) is d(n) = 2.7 * 6.1^{n-1

Read more about explicit formulas at:

brainly.com/question/17615101

#SPJ1

4 0
2 years ago
Stephen deposited $1800 into a savings account for which interest is compounded weekly at a rate of 3.2%. How much interest will
Nady [450]
Hi there
First find the future value using the compound interest formula
The formula is
A=p (1+r/k)^kn
A future value?
P present value 1800
R interest rate 0.032
K compounded weekly 52
N time 10 years
A=1,800×(1+0.032÷52)^(52×10)
A=2,478.59

Now find the interest earned
I=A-p
A future value 2478.59
P present value 1800
So
I=2,478.59−1,800
I=678.59

It's b

Good luck!
8 0
3 years ago
PLS HELP ASAP I SUCK AT THIS PLSS
Ilia_Sergeevich [38]

Answer:

60

Step-by-step explanation:

60*0.45=27

5 0
3 years ago
This is a CALCULUS question, "Derivatives As A function"
irina1246 [14]

Derivative Functions

The derivative function gives the derivative of a function at each point in the domain of the original function for which the derivative is defined. We can formally define a derivative function as follows.

Definition:

let f be a function. The derivative function, denoted by f', is the function whose domain consists of those values of  x  such that the following limit exists:

f'(x)= \lim_\\ \ \\ \frac{f(x+h)-f(x)}{h} {h \to 0}

4 0
3 years ago
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