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Usimov [2.4K]
3 years ago
13

Given the diagram below, what is cos 45

Mathematics
1 answer:
Mamont248 [21]3 years ago
5 0
Hey

Your answer is pretty simple

1/√2
Don't forget to mark Brainliest :^)
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A student ran 100 m dash in 15.4 seconds. What was the student speed in miles per hour
amid [387]

15.4 seconds = 0.00428 hours and 100 meters = 0.062 miles soo the student ran approximately 14.5 mph

8 0
3 years ago
At the car show Inez saw a truck wheel shaped like a circle with a radius of 3 ft. She wants to know the area of the truck wheel
Nadusha1986 [10]

Answer:

28.27ft^2

Step-by-step explanation:

To solve this problem, we can use the area of a circle formula:

A=\pi r^2

<em>A = area</em>

<em>r = radius</em>

Lets plug the values into the equation:

A=\pi (3^2)     Calculate 3^2

A=\pi (9)       Multiply \pi and 9 together

A=28.27

The area of the truck wheel is 28.27ft^2

3 0
3 years ago
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expeople1 [14]

Answer:

9^{4}

Step-by-step explanation:

9^-5 = 9^4  x  9^-9

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7 0
3 years ago
Is (10,2) a solution to the equation 3y+14=2x?
Sergio [31]

Answer:

yes

Step-by-step explanation:

Use substitution method

3(2)+14=2(10)

6+14=20

20=20

Hope this helps. Have a nice day you amazing bean child.

4 0
3 years ago
Use a system of equations to solve a problem involving distance, speed, and time.
Yuki888 [10]

Answer:

Speed of boat in still water is 26km/hr

Step-by-step explanation:

Let the speed of boat in still water be x and speed of stream by y.

Speed at which it went upstream would be (x-y) and the speed at which it went downstream would be (x+y). According to question x+y=24 and x-y=28. x=26 and y=-2.

7 0
3 years ago
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