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3 years ago

Please help like I really need this and no one is answering like please I really need it

Mathematics

2 answers:

const2013 [10]3 years ago

6 0

What’s the question and answer choices

Slav-nsk [51]3 years ago

4 0

Answer:

Row 1:

56×2² = 224 in²

25×3² = 225 in²

15×4² = 240 in²

Row 2:

22×1.5² = 49.5 in²

35×6² = 1260 in²

18×3.5² = 220.5 in²

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3: convert into a fraction

Leno4ka [110]

5^(-3) = 1/5^3 = 1/125

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3 years ago

Derek and Mia place two green marbles and one yellow marble in a bag. Somebody picks a marble out of the bag without looking and

Ahat [919]

Step-by-step explanation:

With each draw, the probability of selecting a green marble is 2/3 and the probability of selecting a yellow marble is 1/3.

To pick two of the the same color, they can either pick green twice or yellow twice.

P = (2/3)(2/3) + (1/3)(1/3)

P = 5/9

To pick two different colors, they can either pick green first then yellow, or yellow first then green.

P = (2/3)(1/3) + (1/3)(2/3)

P = 4/9

Expected value for Derek is:

D = (5/9)(-1) + (4/9)(1)

D = -1/9

The expected value for Mia is:

M = (5/9)(1) + (4/9)(-1)

M = 1/9

5 0

3 years ago

Cows and horses cost $250 each and sheep and goats each cost $200 at the county fair. Chickens sell for $50. How much could McDo

IgorC [24]

Answer:

the total amount of animals in McDonald's farm is missing, so I looked for a similar question and found the attached image:

McDonald can earn:

15 cows x $250 = $3,750

2 horses x $250 = $500

20 sheep x $200 = $4,000

25 goats x $200 = $5,000

17 chickens x $50 = $850

total = $14,100

6 0

3 years ago

A Cessna 185 files an average of 208 km in one hour how many meters can the cessna fly in one hour?

Sonja [21]

This is quite basic actually,

208 kmh equals 208,000 meters per hour

This is because a km equates to 1000 meters.

8 0

3 years ago

Find the product.<br><br> (3x2+6x-5)(-3x)<br><br> PLEASE HELP!!! ASAP!!!

nekit [7.7K]

Answer:

$\boxed{-9x^3-18x^2 + 15x}$

Step-by-step explanation:

(3x²+6x-5)(-3x)

Apply distributive law.

-3x(3x²)-3x(6x)-3x(-5)

Simplify.

-9x³ - 18x² + 15x

8 0

3 years ago

Read 2 more answers