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defon
3 years ago
8

Carlie's stock rose by 1 points in trading today. Let Y represent yesterday's stock price at closing and T represent today's sto

ck price at closing
i) What is a formula that correctly relates Y and T?

ii) If yesterday's closing price was 32 what was today's closing price?
Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0

Answer:

i. T = Y + 1  

ii. today's closing price 33

Step-by-step explanation:

Given that: Carlie's stock rose by 1 points in trading today.

Let Y represent yesterday's stock price at closing

Let T represent today's stock price at closing

=> formula that correctly relates Y and T is:

T = Y + 1

ii) If yesterday's closing price was 32 what was today's closing price?

today's closing price = yesterday's closing price + 1

<=> T = Y + 1  

<=> T =  32 + 1 = 33

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3/4 of a number minus -16 equals 28. What is the number ?
Zigmanuir [339]

Answer:

The number is 16

Step-by-step explanation:

3/4 n- (-16) = 28

3/4 n + 16 = 28

Subtract 16 from each side

3/4 n +16-16 = 28-16

3/4 n =12

Multiply by 4/3 to isolate n

4/3 * 3/4 n = 12 * 4/3

n = 16

6 0
3 years ago
How do you do this the test is tomorrow and I forgot how to do this?
MrRa [10]
Some things you need to know:

1) You need to know how to convert standard form to slope y-int. form and slope y-int. form to standard form.

2) When two lines are parallel, the slopes are the same.

3) When two lines are perpendicular, the slopes are negative reciprocals of each other. (Or their product is -1)
    example: 3/4 --> -4/3.
                    3/4 * -4/3 = -12/12 = -1

4) To find the value of b, substitute the point into the equation.

5) Convert the equation to slope y-int. form to find the slope.

6) When a line has an undefined slope, the slope y-int. will look either like
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    To find the perpendicular of these lines, turn y to x / x to y.
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Use online practice tests and other sources if you don't understand.
5 0
3 years ago
Can someone please help me with this?
ss7ja [257]

Answer:

3/4

Step-by-step explanation:

There are 12 marbles in the bag

9 marbles are not blue

P(not blue) = marbles that are not blue / total marbles

                   = 9/12 = 3/4

7 0
3 years ago
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Answer:

Then, Jane had twice as much money as her sister. How much money did their parents give each of them?

Let x = amt given to them

Solve this equation for x

7 + x = 2(2 + x) Jane had $7 and her sister had $2.

Their parents gave them each equal amount of money

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3 years ago
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Gnom [1K]

Answer:

Let the number be x

According to Question ,

2x + 3x = 40

5x = 40

x = 8

therefore , the number is 8

hope that helps uh...☺

6 0
3 years ago
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