MATHEMATICS MIDDLE SCHOOL

Plz HelpThree years ago, Jolene bought $875 worth of stock in a software company. Since then the value of her purchase has been increasing at an average rate of
6 1/2%

 per year. How much is the stock worth now? Round the answer to the nearest cent.

The stock is worth $_______now.
PLZ HELP

Answers

Answer 1
Answer: So 6 1/2% is 6.5 and that makes it easier. For the first year you divide $875 and the answer is how much more you get. Round the big number to the nearest cent and add it to $875. You should solve it yourself to get it so ill put x as the answer. After that x is is the money thats from the first year so you do the same thing as you did to her money from the beginning and do it to x. Take x and divide it by 6.5 (hint: if you get a bigger number you did it wrong so switch around the places of the two number you are dividing) then you get another answer which ill put as y. After that you do the same thing as before to get the money that she has for the 3rd year. And dont forget to round it to cents!

btw whenever you get a problem like this NEVER add the percents together and then divide.

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Leslie needs324 inches of fringe to put aroundthe edge of a tablecloth. The fringe comes inlengths of 10 yards. If Leslie buys lpackageof fringe, how many feet of fringe will shehave left over?

Answers

3 feet = 1 yard
324 inches = 27 feet = 9 yards
10 yards = 1 package of fringe
10 yards - 9 yards = 1 yard or 3 feet
1 yard 3 feet is the answer

Write an equation of the line that is:a) parallel to the line y=4x+1, and that passes through point (2,3)
  b) parallel to the line 2y-6x=9, and that passes through point (-2,1)
  c) parallel to the line y=4x+3, and that has the same y-intercept as the line y=5x-3
  d) parallel to the line -1/2x, and that has the same y-intercept as the line 2y=7x+6
  e) perpendiclar to the line 2y-4x=8, and that passes through point (6,-6)
  f) perpendicular to the line 2y-5x=15, and has an x-intercept of  3

  please help me with all the questions it would mean alot

Answers

a)\ny=4x+1\na=4\nnew\ y=bx+c\nif\ parallel a=b\ny=4x+c\nsubstituting\point\ (2,3)\n3=4*2+c\nc=-5\ny=4x-5\nb)\n2y-6x=9\n2y=6x+9\ny=3x+4,5\na=3\nnew\ y=bx+c\nif\ parallel a=b\ny=3x+c\nsubstituting\ point\ (-2,1)\n1=4*(-2)+c\nc=9\ny=3x+9\n c)\ny=4x+3\na=4\nnew\ y=bx+c\nif\ parallel a=b\ny=4x+c\nc=-3\ny=4x-3\ne)\n2y-4x=8\n2y=4x+8\ny=2x+4\na= 2 \nnew\y=bx+c\nif\ perpendicular b=-1/a\ny=- (1)/(2) x+c\npoint(6,-6)\n-6=-1/2*6+c\nc=-3\ny=-1/2x-3\nf)\n2y-5x=15\n2y=5x+15\ny=(5)/(2)x+(15)/(2)

I need to know plz help

Answers

Answer: 54

==================================================

Explanation:

If we had a pit stop every 1 mile, then we would have 36 pit stops. Note how 36/1 = 36.

If we had a pit stop every 2 miles, then we would have 18 pit stops because 36/2 = 18

If we had a pit stop every 3 miles, then we would have 12 pit stops because 36/3 = 12

And so on.

As you can see, we divide the total length 36 over the number of miles between pit stops. This applies even to fractions as well

Divide 36 over 4/6 to get

36 / (4)/(6) = 36 * (6)/(4) = 36 * 1.5 = 54

Recall that when you divide by a fraction, you flip the second fraction and multiply. The action of "flipping" is known as applying the reciprocal.

So this means there are 54 pit stops in total.

An alternative method to get the answer is to note that 4/6 = 0.66666667 approximately, and 36/0.66666667 = 53.99999973 which is very close to 54 that we got above. The reason why its not exactly 54 is because of rounding error. The more decimal digits you use, the more accurate the result will be.

What is the area of the figure?

Answers

Divide the shape to two different shapes
We get a trapezium/trapezoid
And a triangle

Formula of the area of a trapezium:
(1)/(2) × height × (base₁ + base₂)
(1)/(2) × 5 × (14 + 18)
*(height is 5, because 17 - 12 = 5)
2.5 × 32
80 mm²

Formula of the area of a triangle:
(1)/(2) × base × height
(1)/(2) × 18 × 12
48 mm²

Total Area:
Area of trapezium + Area of triangle
80 + 48
128 mm²

Which answer represents the series in sigma notation? −5+(−1)+3+7+11

Answers

Answer:

In sigma notation, the series may be represented as,

\sum_(x = 0)^(4)(-5 + 4x)

It is an arithmetic progression with

1st term = -5

common difference = 4

no, of terms = 5

Step-by-step explanation:

The finite series is given by,

-5 + (-1) + 3 + 7 + 11

In sigma notation, the series may be represented as,

\sum_(x = 0)^(4)(-5 + 4x)

It is an arithmetic progression with

1st term = -5

common difference = 4

no, of terms = 5

Nam has a bag of 8 chips numbered 1 to 8. He will perform an experiment to model the theoretical probability of pulling a chip with the number 6.Select from the drop-down menus to correctly complete the sentences.
Nam should pull a chip and replace it after each turn
A. as many times as possible
B. 8 times

, and then divide the number of times 6 occurs by
A. 8
B. the number of trials

. After many trials, the experimental probability will be close to the theoretical probability of
A. 1/8
B. 2/3
C. 1/6
.

Answers

Answer:

1. A

2. B

3. A

Step-by-step explanation:

He should conduct the experiment as many times as possible, more the better estimate can be obtained.

Record the no. of 6's and divide the no. of trials to get an estimate of the probability of 6

After many trials, the experimental probability would get closer and closer to the theoretical probability which is 1/8
B is the correct answer I believe
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