3 years ago

Please help!! 15 points! I need 5 and 9 answered

Mathematics

2 answers:

Doss [256]3 years ago

4 0

Answer:

B: Subtraction property of equality

madreJ [45]3 years ago

4 0

5 and 9 are subtraction property of equality

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For the wheel pictured on the right, assume that a person spins the pointer and is awarded the amount indicated by the pointer.

Anuta_ua [19.1K]

The expectation value is given by:

$EV=\sum_{i\mathop{=}1}^nx_iP(x_i)$

In this case we just have two options, each with probability 1/2, and the values of x are 2 and 9; then we have:

$\begin{gathered} EV=(2)(\frac{1}{2})+(9)(\frac{1}{2}) \\ EV=2+\frac{9}{2} \\ EV=\frac{13}{2} \\ EV=6.5 \end{gathered}$

Therefore, the expectation is $6.5

3 0

1 year ago

Find the value of X in each of the following X/3-2=6 <br>X/5+1 =5<br><br>please help me

natita [175]

Answer:

a) x = 24

b) x = 20

Step-by-step explanation:

a) x÷3 - 2 = 6

+2 +2

x÷3 = 8

×3 ×3

8 × 3 = 24

x = 24

b) x÷5 + 1 = 5

-1 -1

x÷5 = 4

×5 ×5

4 × 5 = 20

x = 24

3 0

3 years ago

HELP How many 1/4 cup servings of milk are in a 4-cup container? show your math

postnew [5]

Answer:

16 servings

Step-by-step explanation:

ok so there are 4 of the 1/4 cups for each cup, knowing that we can take each cup times 4 so 4 times 4 equals 16.

8 0

2 years ago

luis makes a 4% commision on his sales in a sporting goods store. For a $70 purchase, how much commision does Luis earn?

Fiesta28 [93]

He made $2.80 because if you multiply 70 by .04 it’s 2.8

4 0

3 years ago

Plz give answer and explanation <br> i will give 24 points

Paladinen [302]

Answer:

please refer to the above attachment.

8 0

3 years ago

Read 2 more answers