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schepotkina [342]
3 years ago
6

Please help with my math i am stuck please explain

Mathematics
1 answer:
joja [24]3 years ago
7 0
For the addition problem 1/4 would turn into 2/8 and the 3/8 would stay the same therefore it would be 2/8 + 3/8 =5/8. Then for the subtraction problem 1/4 would turn into 2/8 and 3/8 would stay the same therefore it would be 2/8 - 3/8 =1/8
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For fun, if X=180 and Y=20 then what is (Y-X)x(53-33)+3,269= ???? For fun
Masja [62]

Answer:

6,469!

Step-by-step explanation:

180-20=160

53-33=20

160*20=3,200

3,269+3,200=6,469

4 0
3 years ago
Since Beth was born, the population of her town has increased at a rate of 850 people per year. On Beth's 9th birthday, the tota
scZoUnD [109]

Answer:

editor edit

37,650

Step-by-step explanation:

37650

3 0
3 years ago
32 is 40% of what number
anzhelika [568]
40% = 40 / 100 = 0.4

32 is 40% of what

= 32 / 40

= 32 / 0.4

= 80


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U can also use this equation to solve it.

32 = 40%x

Simplfy

= 32 = 2/5x

Flib the equation.

2/5x = 32

Multipy both sides by 5/2

(5/2) * 2/5x = (5/2) * 32

x = 80.

--------------------------------------------------------

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6 0
3 years ago
Read 2 more answers
F(x) = x^2-3<br> What is the average rate of change on the interval [-5, 2] ?
Mumz [18]

Answer:

(-3).

Step-by-step explanation:

Over this interval, the change in the value of this function is:

f(-5) - f(2) = 22 - 1 = 21.

The corresponding change in the value of x:

(-5) - 2 = -7.

The average rate of change of function f over this interval is equal to the change in the function value divided by the corresponding change in x:

\begin{aligned}& (\text{average rate of change}) \\ =\; & \frac{(\text{change in function value})}{(\text{change in $x$})} \\ =\; & \frac{f(-5) - f(2)}{(-5) - 2} \\ =\; & \frac{22 - 1}{-7} \\ =\; & \frac{21}{-7} \\ =\; & -3\end{aligned}.

Thus, the average rate of change of f(x) = x^{2} - 3 over the interval [-5,\, 2] would be (-3).

7 0
3 years ago
What is the vertex of the equation f(x)=-4(x+2)^2+1
earnstyle [38]

Answer: (-2,1)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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