MATHEMATICS MIDDLE SCHOOL

Solve the following system of equations graphically. Click on the graph until the correct solution of the system appears. 2x+y=3 3y=x-12

Answers

Answer 1
Answer:

Answer:

y= -2x+3

y= 1/3x-4

Step-by-step explanation:

then you graph them both and the starting points are both on the Y-axis at -4 and at 3

then your slopes are 1/3 and -2/1


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MIDDLE SCHOOL

What is the product? (x+3)(2x-1)

Answers

FOIL

first : x*2x = 2x^2

outer : x* -1 = -x

inner: 3*2x = 6x

last: 3 * -1= -3

add them together

2x^2 -x+6x-3

2x^2 +5x-3

COLLEGE

Investments Suppose that you have $4000 to invest and you invest x dollars at 10% and the remainder at 896, write expressions in x that represent (a) the amount invested at 8%, (b) the interest earned on the x dollars at 10%, (c) the interest earned on the money invested at 8% (d) the total interest earned.

Answers

Answer:

Step-by-step explanation:

you have $4000 to invest and you invest x dollars at 10% and the remainder at 8℅.

a) an expression in x that represent the amount invested at 8% is

4000 - x

b) The The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal

R represents interest rate

T represents time in years

I = interest after t years

From the information given

P = $x

R = 10%

Assuming the investment is for 1 year, then interest,

I = (x × 10 × 1)/100

I = $0.1x

c) P = 4000 - x

R = 8℅

I = [(4000 - x) × 8 × 1)]/100

I = (32000 - 8x)/100

I = 320 - 0.08x

d) the total interest earned is

I = 0.1x + 320 - 0.08x

I = 0.02x + 320

MIDDLE SCHOOL

bucket is leaking. After 3 hours the bucket has leaked 4 of an ounce. How many ounces per hour is the bucket leaking?

Answers

Answer:

Hmm...1/4

Step-by-step explanation:

Answer:

1.33333333

Step-by-step explanation:

4 / 3 = 1.3333

MIDDLE SCHOOL

7 divided by 44.94 pls answer this

Answers

Using the division operation, dividing 44.94 by 7 gives a value of 6.42

Given the Parameters :

  • Numerator = 44.94
  • Denominator = 7

Dividing the Numerator by the denominator ;

Using a calculator, we could perform the the division operation thus :

  • 44.94 / 7 = 6.42

Therefore, the division operation gives a value of 6.42

Learn more : brainly.com/question/14961153

7/44.94=0.15.

Hope that helped!
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