MATHEMATICS HIGH SCHOOL

Find the value of 4x^2– 2y when x = 3 and y = 2.

Answers

Answer 1
Answer:

Answer:

The answer is 32.

Step-by-step explanation:

Remember that order of operation is very important in this problem.

Substitute x for 3 and y for 2 in the equation.

When solving the first term, we must note that we have to square the 3 first before we multiply it by 4. So, 4(3)^2 is basically 36. To simplify the second term you just have to do 2*2, which is 4. 36-4=32, which is the answer.

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How do you solve for volume ? Please.

Answers

l×w×h that is how to solve the problem
length times width times height aka, L x W x H

What is the solution of the equation? W-2 = -3
a. -3/2
b. -5
c. -1
d. 0

Answers

w-2 = -3\nw -2+2 = -3+2\nw = -3+2\nw =2-3\n\n\boxed{\bf{w=-1}}

Your answer is C.

14(0.89)^x+4.5 =162

Answers

14(0.89)^(x + 4.5) = 162
(14(0.89)^(x + 4.5))/(14) = (162)/(14)
0.89^(x + 4.5) = 11(4)/(7)
ln(0.89^(x + 4.5)) = ln(11(4)/(7))
(x + 4.5)ln(0.89) = ln(11(4)/(7))
((x + 4.5)ln(0.89))/(ln(0.89)) = (ln(11(4)/(7)))/(ln(0.89))
x + 4.5 = -2101.14032500
x = 2105.64032500

Find an equation of a line that comes close to the points listed in the table.X|y
6|8
10|13
12|15
16|18
18|21

Answers

y=x+2\nx=6\to y=6+2=8\nx=10\to y=10+2=12\nx=12\to y=12+2=14\nx=16\to y=16+2=18\nx=18\to y=18+2=20\n-----------------------\ny=x+3\nx=6\to y=6+3=9\nx=10\to y=10+3=13\nx=12\to y=12+3=15\nx=16\to y=16+3=19\nx=18\to y=18+3=21\n-----------------------\nAnswer:y=x+1.5

1 1/3 minus 5/6 please help me out

Answers

Answer:

17/6

So this is the answer. If you want to convert to decimal... The answer will be 2.83..hope it is right

David invested R1000, what would that money grow to in 18 months at 5.5% interest rate

Answers

18 months = 1 and half year
                  = 1(1)/(2) year

I = PRT
P for Principle Amount
R for Rate
T for Time in years

I = 1000 × 0.055 × 1.5 (5.5% = (5.5)/(100) = 0.055)
  = R82.5

R1000 + R82.5 = R1082.5
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