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3 years ago

3x – 2y+3 3y - 2x X=7 Y=6

1 answer:

8 0

<h2><em>Answer:</em></h2><h2><em>3×7-2×6+3</em></h2><h2 /><h2><em>=21-12+3=24-12</em><em>=</em><em>1</em><em>2</em></h2><h2 />

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A survey of one class at Pioneer Middle School found that 20 out of 30 students would spend $12 for a school t-shirt Suppose the

Virty [35]

$\frac{20}{30} = \frac{x}{600}$
600/30=20.
20*20=400.
Your answer is 400.

4 0

3 years ago

Read 2 more answers

What is implicit differentiation?

defon

Answer:

The process of finding the derivative of dependent variable in an implicit function by differentiating each term separately by expressing the derivative of the dependent variable as a symbol and by solving the resulting expression for the symbol.

6 0

3 years ago

Solve for n, please i would really appreciate it :)

Lelu [443]

Answer:

Step-by-step explanation:

${ {a}^{b} }^{c} = {a}^{bc } \\ in \: this \: case \\ { ({8}^{n}) }^{3} = {8}^{3n} \\ \\ {8}^{3n} = {8}^{6 } \\ 3n = 6 \\ n = \frac{6}{3} = 2$

6 0

3 years ago

9x43=9x(40+3)=(9x )+(9x3)= +27=

denis-greek [22]

Answer:

387, or you can do it another way in the problem if you like/.

Step-by-step explanation:

3x9=27

4x9=36

36+2=38

387

8 0

3 years ago

An amount of $4000 was deposted in a bank of 7% compounded quarterly for 2 years. The rate the increased to 10% and was compound

GarryVolchara [31]

Answer:

$5599.20

Step-by-step explanation:

The quarterly interest rate for the first two years was ...

7%/4 = 0.0175

So, the multiplier each quarter for those 8 quarters was 1+0.0175 = 1.0175. At the end of the first 8 quarters, the account value had been multiplied by ...

1.0175^8

For the next 8 quarters, the quarterly interest rate was 10%/4 = 0.025. So at the end of those 8 quarters, the balance had been multiplied by ...

1.025^8

Then the balance at the end of 4 years was ...

$4000(1.0175^8)(1.025^8) ≈ $5599.20

The balance was $5599.20.

6 0

3 years ago