MATHEMATICS COLLEGE

Mariana tried to drink a slushy as fast as she could. She drank the slushy at a rate of 4.5 milliliters per second. After 17 seconds, 148.5 milliliters of slushy remained.How much slushy was originally in the cup?

Answers

Answer 1

Answer:

9514 1404 393

Answer:

225 mL

Step-by-step explanation:

The amount Mariana drank was ...

(4.5 mL/s)×(17 s) = 76.5 mL

The original quantity is that amount added to the amount remaining:

original amount = amount drunk + amount remaining

= 76.5 mL +148.5 mL

original amount = 225 mL

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The following EXCEL tables are obtained when "Score received on an exam (measured in percentage points)" (Y) is regressed on "percentage attendance" (X) for 22 students in a Statistics for Business and Economics course. Regression Statistics Multiple R 0.142620229 R Square 0.02034053 Standard Error 20.25979924 Observations 22 Coefficients Standard Error T Stat P-value Intercept 39.39027309 37.24347659 1.057642216 0.302826622 Attendance 0.340583573 0.52852452 0.644404489 0.526635689 What is the predicted value received on an exam when Percentage Attendance = 70 a. Approximately 63
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Answers

The predicted value received on the exam when the percentage attendance is 70 is ( a. Approximately 63).

To find the predicted value of the exam score when the percentage attendance is 70, to use the regression equation provided:

Y = Intercept + Attendance × X

From the regression statistics that the intercept (Intercept) is 39.39027309 and the coefficient for percentage attendance (Attendance) is 0.340583573.

Substituting the values into the equation:

Predicted value = 39.39027309 + 0.340583573 × 70

Calculating:

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Predicted value ≈ 63.2351302

To know more about value here

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Answer:

Step-by-step explanation:

hope this helps hœ

Lines v and w are parallel. Which statement can you NOT deduce from this information?m∠2+m∠5=180
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Answers

Based on the rules for vertical angles, ∠1 = ∠4, and ∠5 = ∠8. Based on the rules for corresponding angles, ∠1 = ∠5, so all four of those angles are equivalent.
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Answers

Answer:

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Step-by-step explanation:

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Q # 8 please solve the question

Answers

Let the two numbers be x and y

Their sum is 20, so we can write
x + y = 20

Their difference is 14, so we can write:
x- y = 14

Adding the two equations, we get:

2x = 34
x = 17

Using the value of x, in first equation, we get:

17 + y = 20
so,
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Thus the two numbers are 17 and 3.

So, option a is the correct answer

For this case we have the following system of equations:
x + y = 20
x-y = 14
Where,
x: real number
y: real number
Solving the system we have:
x = 17
y = 3
Therefore, the numbers are:
17 and 3
Answer:
17 and 3
option 1

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