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givi [52]
3 years ago
8

What is the right answer for this question?

Mathematics
1 answer:
My name is Ann [436]3 years ago
8 0
The answer is J because a rational number is anything that can be written as a fraction and a integer is a whole number. Since 16/4 simplifies to 4 and square root of 9 simplifies to 3, this would be the correct answer. 
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Your cousin gave you $0.72 with which to buy a gift. This covered 9/10 of the cost. How much did the present cost?
Helga [31]

Answer:

$0.80

Step-by-step explanation:

percent times the original number equals the part

(%)(start or total cost)= (part of the total cost). you need to know the total cost, so you would fill in the part and the percent. 0.9x=0.72. you use x because you don't know what the total cost is. then you divide both sides by 0.9 to get x by itself and you get that x = 0.8, meaning that the present costs $0.80.

5 0
3 years ago
​(Simplify your answer. Type an exact answer in terms of pi​.)
likoan [24]
So the formula for the volume of a sphere is 4/3 * (π * r³)

V = 4/3 * (π * 6³)

V = 4/3 * (π * 216)

V = 4/3 * 678.24

V = 904.78

I hope this helps! If it does, please rate as Brainliest :D
7 0
3 years ago
54 ÷ (−6)<br><br><br> A. 9<br><br> B. -9<br><br> C. -8
sp2606 [1]

Answer:

Option B, -9

Hope this helps!

6 0
3 years ago
Which equation could be solved using the graph above?
Oduvanchick [21]

Answer:

Option b is the correct answer

Step-by-step explanation:

The graph in the picture is the graph of a quadratic equation and it takes the shape of a parabola.

The points on the x axis through which the parabola cuts across is used to determine the solution of the quadratic equation.

Looking at the parabola formed from the plotted points, it cuts the x axis at

x = -1 and x= -2

These are the factors of the equation. To get the equation, we multiply the factors.

x= -1, x +1 = 0

x =-2 , x + 2= 0

The equation is (x+1)(x+2)

Expanding the brackets,

x×x + x×2 +1×x + 1×2

= x^2 + 2x + x +2

= x^2 + 3x +2 = 0

Option b is the correct answer

6 0
3 years ago
5. Solve for x.
exis [7]

Answer:

12*56-56+11=12

Step-by-step explanation:

12 for 56

4 0
3 years ago
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