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suter [353]
3 years ago
15

Which one is the best prediction! Please and no link answer :(

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

Prediction = 35

Step-by-step explanation:

Given

The attached table

Required

Expected number of Daffodil when N = 150

First, we calculate the probability of having a Daffodil.

Pr = \frac{Daffodil}{Total}

This gives:

Pr = \frac{14}{14+10+24+12}

Pr = \frac{14}{60}

Simplify

Pr = \frac{7}{30}

When there are 150 flowers, the prediction of Daffodils is:

Prediction = Pr * N

Prediction = \frac{7}{30} * 150

Prediction = 7*5

Prediction = 35

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4 0
3 years ago
Find an equation for the line that passes through the point (-3, 6), parallel to the line through the points (0,-7) and (4,-15).
Vitek1552 [10]
Broken down into steps:

1.  Find the slope of the line segment that connecs the points (0,-7) and (4,-15).

2.  Start with the point-slope formula for the equation of a straight line:

y-b = m(x-a), where the given point is (a,b).  Borrow the value of m that you calculated in (1), above, and insert it into this point-slope formula.
Finish up by subst. the x- and y-values in (-3,6) into this formula.

Done!

You could, of course, solve this result for y if you wished.
8 0
3 years ago
Reduce to simplest form<br> 3/2 + ( -6/5 ) = ?
frosja888 [35]

Answer:

Step-by-step explanation: 3/2=1.5   (-6/5)=(-1.2)    1.5+(-1.2)=0.3

Answer=0.3

5 0
2 years ago
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Semmy [17]

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Step-by-step explanation:

Decimal Fraction Percentage

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5 0
3 years ago
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Which expression represents the distance between the points (11, 4) and (5,8)?
antiseptic1488 [7]

Answer:

\displaystyle d = 2\sqrt{13}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)

<u>Algebra II</u>

  • Distance Formula: \displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (11, 4) → x₁ = 11, y₁ = 4

Point (5, 8) → x₂ = 5, y₂ = 8

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance <em>d</em>

  1. Substitute in points [Distance Formula]:                                                       \displaystyle d = \sqrt{(5-11)^2+(8-4)^2}
  2. [√Radical] (Parenthesis) Subtract:                                                                 \displaystyle d = \sqrt{(-6)^2+(4)^2}
  3. [√Radical] Evaluate exponents:                                                                    \displaystyle d = \sqrt{36+16}
  4. [√Radical] Add:                                                                                               \displaystyle d = \sqrt{52}
  5. [√Radical] Simplify:                                                                                         \displaystyle d = 2\sqrt{13}
4 0
3 years ago
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