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3 years ago

Hey can someone check my answer?

Mathematics

2 answers:

frutty [35]3 years ago

7 0

The correct answer is A 212.5 <span />

Anuta_ua [19.1K]3 years ago

5 0

The answer is C. 34. I hope this helps

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The english alphabet contains 21 consonants and five vowels. how many strings of six letters, each of which is drawn from the en

Mamont248 [21]

Number of strings = $21^5(5)$ = 21 x 21 x 21 x 21 x 21 x 5 = 20 420 505

Answer: 20 420 505

6 0

4 years ago

In 2010, the population of a city was 161,000. From 2010 to 2015, the population grew by 8%. From 2015 to 2020, it fell by 6.7%.

solniwko [45]

Answer:

99%

Step-by-step explanation:

2010 population = 161,000

From 2010 to 2015, the population grew by 8%.

2010 to 2015 = 161,000 + (8% of 161,000)

= 161,000 + (0.08 * 161,000)

= 161,000 + 12,880

= 173,880

2010 to 2015 = 173,880

From 2015 to 2020, it fell by 6.7%

2015 to 2020 = 173,880 - (6.7% of 173,880)

= 173,880 - (0.067 * 173,880)

= 173,880 - 11,649.96

= 162,230.04

2015 to 2020 = 162,230.04

what percent did the city grow from 2010 to 2020.

= 161,000 / 162,230.04 × 100

= 0.9924179270374 × 100

= 99.241792703743

Approximately, 99% to the nearest whole number

4 0

3 years ago

In an injection-molding operation, the length and width, denoted as X and Y, respectively, of each molded part are evaluated. Le

nika2105 [10]

Answer:

attached below

Step-by-step explanation:

Attached below are the Venn diagrams

A : 48 < X < 52 cm

B : 9 < Y < 11 cm

a) A

b) A ∩ B

c) A' ∪ B

d) A ∪ B

e) for events to be mutually exclusive it means that both events can not occur simultaneously i.e. A ∩ B = 0

the process would not be successful hence the process would not produce parts with X = 50 cm and Y = 10 cm

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3 years ago

PLEASE HELP!!! deck measures 18 feet by 25 feet Garden measures 9 feet by 12 feet

velikii [3]

Answer:

Area of Garden: 108 feet

The area of the deck, not including the garden: 342 feet

Q3: $1,890

Q4: 151.2

Q5: $2041.2

Step-by-step explanation:

7 0

3 years ago

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A $128.00 item is marked down by 25%. What is the new cost of the item?

Rzqust [24]

Answer:

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Step-by-step explanation:

5 0

3 years ago