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stich3 [128]
2 years ago
11

This is due today and NO LINKS

Mathematics
2 answers:
Alex73 [517]2 years ago
7 0
7. 3/5 I DONT KNOW SORRYYYY
Anna35 [415]2 years ago
4 0

Answer:

5. no, because each number isn't given the same amount of space. this means other numbers have a higher probability of being spun than others.

6. yes, because a cube has 6 sides so each number will have an equal probability of being rolled.

7. 12%

8. he's less likely to pull a blue one from the bag of 250 because there's a smaller percentage of blue in the bag of 250 than the bag of 25.

Step-by-step explanation:

7. 3/25 = 0.12 = 12%

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A car is traveling at a speed of 25 meters per second what is the cars speed in kilometers per hour how many kilometers will the
Likurg_2 [28]

Answer:

  • 90 km/h
  • 180 km

Step-by-step explanation:

There are 1000 m in 1 km, and 3600 s in 1 h, so the speed conversion is ...

  \dfrac{25\,m}{s}\cdot\dfrac{1\,km}{1000\,m}\cdot\dfrac{3600\,s}{1\,h}=\dfrac{90\,km}{h}

The car's speed is 90 km/h.

__

In 2 hours, the car will travel ...

  distance = speed · time = (90 km/h)(2 h) = 180 km

7 0
3 years ago
In one study, it was found that the correlation coefficient between two variables is -0.93.
Marysya12 [62]

the answer is d (i think) because anything aboveboard .90, whether it is positive or negative

4 0
3 years ago
Read 2 more answers
A copper key is placed in a cylindrical container with a 3-cm diameter. The water level rises from 14 cm to 14.6 cm. What is the
Tomtit [17]

Answer:

The volume is about 4.24 cm^3.

Step-by-step explanation:

From the question we are told that:

Diameterd= 3-cm

Radius r=d/2=>1.5cm

Height risen14.6-14=0.6cm

Generally the equation for Volume of a Key is mathematically given by

Since Volume of a cylinder is Given as

V=\pir^2h

Therefore

V=\pi*1.5^2*0.6

V=4.2417\\\\V=4.24 cm^3

Correct Option A

The volume is about 4.24 cm^3.

3 0
3 years ago
What is multiplication
Ne4ueva [31]

Answer:

Multiplication is one of the four elementary mathematical operations of arithmetic, with the others being addition, subtraction and division. Multiplication is marked as an "x." A mathematical operation performed on a pair of numbers in order to derive a third number called a product. For positive integers, multiplication consists of adding a number (the multiplicand) to itself a specified number of times. Thus multiplying 6 by 3 means adding 6 to itself three times.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The sum of two numbers is 99 and the difference is 13. Use a system of two equations and two variables to solve and find the two
andriy [413]

Answer:

56 and 43

Step-by-step explanation:

(x+13)+x = 99

2x+13 = 99

2x = 99-13

2x = 86

x = 86/2

x = 43

Smaller number = 43

Larger number is 56

Check

56-43 = 13

56+43 = 99

7 0
2 years ago
Read 2 more answers
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