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xxTIMURxx [149]
4 years ago
12

All rational numbers are whole numbers

Mathematics
1 answer:
Ilia_Sergeevich [38]4 years ago
7 0
A rational no. can be expressed as a fraction/quotient
eg. 2/5 or 2/1
thus not all rational no. are whole no.s
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Statistics
Westkost [7]

Answer:

no thank you sorry 4h he'll be a great day of school and I have been a while ago but it's a good time 44

7 0
2 years ago
Please help i am confused
stiv31 [10]

Answer: 18x + 12

Step-by-step explanation:

Step #1: Determine the length of each side.

The polygon is regular, so all the sides are equal. Thus, all sides measure 3x+2.

Step #2: Determine the number of sides in the polygon.

This polygon is identified as a hexagon meaning it consists of 6 sides.

Step #3: Set up an expression and distribute.

       (Number of sides) x (Length of each side)

       (6)(3x+2)

  • 6 times 3x equals positive 18x
  • 6 times 2 equals positive 12

So, the answer is 18x + 12.

8 0
2 years ago
Read 2 more answers
What is 350 enlarged by 20% equal to?
Ira Lisetskai [31]

Answer:

420

Step-by-step explanation:

The first step is to convert 20% to decimal form. 20%=20/100=0.2. Now, you can multiply this by 350 to get 70. Adding this to the original value of 350, you get 350+70=420. Hope this helps!

4 0
3 years ago
Read 2 more answers
Solve for x. Round to the nearesr tenth of a degree if necessary.
Ipatiy [6.2K]

Answer:

im not sure but i got 30.1

Step-by-step explanation:

\cos(x) =   \frac{45}{52}  \\ x = 30.1

7 0
3 years ago
Sarah kicked a ball in the air. The function
Aleksandr-060686 [28]

Answer: The ball hits the ground at 5 s

Step-by-step explanation:

The question seems incomplete and there is not enough data. However, we can work with the following function to understand this problem:

f=30 t- 6t^{2} (1)

Where f models the height of the ball in meters and t the time.

Now, let's find the time t when the ball Sara kicked hits the ground (this is when f=0 m):

0=30 t- 6t^{2} (2)

Rearranging the equation:

6t^{2}-30 t=0 (3)

Dividing both sides of the equation by 6:

t^{2}-5 t=0 (4)

This quadratic equation can be written in the form at^{2}+bt+c=0, and can be solved with the following formula:  

t=\frac{-b \pm \sqrt{b^{2}-4ac}}{2a} (5)  

Where:  

a=1  

b=-5  

c=0  

Substituting the known values:  

t=\frac{-(-5) \pm \sqrt{(-5)^{2}-4(1)(0)}}{2(1)} (6)  

Solving we have the following result:

t=5 s  This means the ball hit the ground 5 seconds after it was kicked by Sara.

6 0
3 years ago
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