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Ostrovityanka [42]
3 years ago
7

What is the value of the expression -9 - (-5)?

Mathematics
2 answers:
kotykmax [81]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

two - makes 5 positive if you add it to -9 you'll get -4

Ronch [10]3 years ago
5 0

Answer: -4

Step-by-step explanation: when you simplify -9 - (-5) you get -4

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The radius of Circle A is 6 mm. The radius of Circle B is 4 mm greater than the radius of Circle A. The radius of Circle C is 2
labwork [276]

Answer:

Area of circle A =113.14 mm²

Area of circle b = 314.29 mm²

Area of circle C = 452.57 mm²

Area of circle A = 254.57 mm²

2.25 times

Step-by-step explanation:

Area of a circle = nr²

where n = 22/7

r = radius

Circle A's radius = 6mm

Circle B's radius = 6mm + 4mm = 10mm

Circle C's radius = 10mm + 2mm = 12mm

Circle D's radius = 12mm - 3mm = 9mm

Area of circle A = (22/7) x 6² = 113.14 mm²

Area of circle b = (22/7) x 10² = 314.29 mm²

Area of circle C = (22/7) x 12² = 452.57 mm²

Area of circle A = (22/7) x 9² = 254.57 mm²

Number of times the area of circle D is greater than that circle A = Area of circle D / Area of circle A

254.57 mm² / 113.14 mm² = 2.25 times

4 0
3 years ago
Marvin lives in Stormwind City and works as an engineer in the city of Ironforge. In the morning, he has 333 transportation opti
sukhopar [10]

The event "Atleast once" is the complement of event "None".

So, the probability that Marvin teleports atleast once per day will the compliment of probability that he does not teleports during the day. Therefore, first we need to find the probability that Marvin does not teleports during the day.

At Morning, the probability that Marvin does not teleport = 2/3

Likewise, the probability tha Marvin does not teleport during evening is also 2/3.

Since the two events are independent i.e. his choice during morning is not affecting his choice during the evening, the probability that he does not teleports during the day will be the product of both individual probabilities.

So, the probability that Marvin does not teleport during the day = \frac{2}{3}*\frac{2}{3}=\frac{4}{9}

Probability that Marvin teleports atleast once during the day = 1 - Probability that Marvin does not teleport during the day.

Probability that Marvin teleports atleast once during the day = 1-\frac{4}{9}=\frac{5}{9}

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3 years ago
Which is the simplified answer
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Answer:

C. Can you plz mark me brainliest?

Step-by-step explanation:

5 0
3 years ago
2025bellikar avatar
Novosadov [1.4K]

Answer:

sweet

Step-by-step explanation:

This took 80 minutes

3 0
3 years ago
Mike walks ½ mile in 30 minutes. What is his unit rate in miles per hour
Mars2501 [29]

Answer:

1 mile per hour

Step-by-step explanation:

you just double it

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