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dimulka [17.4K]
3 years ago
13

The scores and their final grade for a statistics student are given. What is the student’s weighted mean score?

Mathematics
1 answer:
WITCHER [35]3 years ago
7 0

Answer:

a) final exam: 90.2 <u>B</u>     b) percent of final grade: 20 <u>F</u>

Step-by-step explanation:

calculator: a)86+81+96+99+89=451/5=90.2

b) 20+15+15+25+25=100/5=20

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3 years ago
a map shows that the top of a hill is 200m above sea level and the bottom of a lagoon is 15m below sea level. express these dist
Rus_ich [418]

Answer:

200 m

-15 m

215 m

Step-by-step explanation:

Given :

Top of hill = 200 m above sea level ; height of hill top is positive 200m = 200 m

Bottom of lagoon = 15m *below sea level ; bottom of lagoon = - 15m

We have related the height of the two points with respect to sea level ; points above sea level are represented as positive ; points below are represented as negative.

Difference between the two heights :

Hill top - bottom of lagoon :

200 m - (-15) m

200 m + 15 m

215 m

Difference between the heights is 215 m

3 0
3 years ago
A substantial portion of inventory owned by Prentiss Sporting Goods was recently destroyed when the roof collapsed during a rain
kkurt [141]

Answer:

a) $150,225

b) $450,675

c) $152,425

d) $17,700

Step-by-step explanation:

Given:

Beginning inventory = $204,300

Purchases to date of storm = $398,800

Sales to date of storm = $600,900

The value of undamaged inventory counted = $134,725

Prentiss’s gross margin percentage = 25% of sales

a) Now,

Gross margin = Sales × Gross margin percentage

= $600,900 × 25%

= $150,225

GROSS MARGIN ( DOLLARS)= 113506

b) Cost of goods sold = Sales - Gross margin

= $600,900 - $150,225

= $450,675

c) Ending inventory

= Beginning inventory + purchase - Cost of goods sold

= $204,300  + $398,800  - $450,675

= $152,425

d) Amount of lost inventory

= Ending inventory - Undamaged inventory

= $152,425 - $134,725

= $17,700

5 0
3 years ago
Please help me can someone show the steps on how to turn this into vertex form<br> y=x^2-6x+2
romanna [79]
The vertex form is y = (x-3)^2-7
8 0
3 years ago
Read 2 more answers
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