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stellarik [79]
3 years ago
8

What is the value of x? Enter your answer in the box. x =

Mathematics
2 answers:
larisa [96]3 years ago
5 0
24^2 + 7^2 = 25^2 x = 25
horrorfan [7]3 years ago
5 0
Use Pythagorean Theorem:

a^{2} + b^{2} = c^{2}
7^{2} + 24^{2} = c^{2}
7^{2} + 24^{2} = c^{2}
49 + 576 = c^{2}
625 = c^{2}
25 = c

(You could also memorize that 7-24-25 is one of the "integer triples" that satisfies the Pythagorean Theorem. Other common ones are 3-4-5 and 5-12-13.)
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A truck driver travels at 59 miles per hour. The truck tires have a diameter of 30 inches. What is the angular velocity of the w
Misha Larkins [42]

Answer:

661.4\ rpm

Step-by-step explanation:

we know that

1 mile=63,360 inches

step 1

Find the circumference of the wheels

C=2\pi r

we have

r=30/2=15\ in -----> the radius is half the diameter

substitute

C=2\pi(15)

C=30\pi\ in

assume

\pi =3.14

C=30(3.14)=94.2\ in

Remember that    

The circumference of the wheels represent one revolution

Convert 59 miles per hour to inches per minute

59\ mi/h=59*63,360/60=62,304\ in/min

using proportion find the number of revolutions  

\frac{1}{94.2}\frac{rev}{in}=\frac{x}{62,304}\frac{rev}{in}\\ \\x=62,304/94.2\\ \\x=661.4\ rev

therefore

substitute

62,304\ in/min=661.4\ rev/min=661.4\ rpm

5 0
3 years ago
Bonnie ran 1/4 mile, Olga ran 3/4 mile, Gracie ran
Ainat [17]

Answer:

2/4

Step-by-step explanation:

Bonnie and  Maria combined = 1/4 + 2/4 = 3/4

Gracie run = 5/4

=> How much  farther, f, did Gracie run than Bonnie and  Maria combined

= 5/4 - 3/4 = 2/4

So Gracie run 2/4 more than Bonnie and  Maria combined

7 0
3 years ago
Read 2 more answers
Jorge is running a race. In 2/3 of an hour, he ran 2 2/5 miles. At this rate, what distance will Jorge run in one hour?
jeka94

Answer:

321312313123

Step-by-step explanation:

because ur gay

7 0
3 years ago
12. Solve the equation 6 - 6x = 5x – 9x - 2.
ycow [4]

Answer:

x=4

Step-by-step explanation:

6 - 6x = 5x – 9x - 2

6+2=5x-9x+6x

8=2x

4=x

What you need to do to be able to solve this is move all of the terms that have no variable and the ones that have the same variable to the other side. Once you have that, you should be able to do 6+2 and solve the side that has variables as if it has no variables. Remember that you have to flip the sign when you are moving all of the numbers. Then when you get to the step where both sides have only one number, that is when you would divide the other number, which in this case is 8, by 2, which is the number correlated with x. And that should get x by itself, and give you the solution.

8 0
3 years ago
Read 2 more answers
What is the value of x in the equation 2x – 3 = 9 – 4x?
strojnjashka [21]
Move the 4x over to the left side and get:
6x - 3 = 9

Then move the 3 over to the right....
6x = 12

Divide by 6

x = 2
5 0
3 years ago
Read 2 more answers
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