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ASHA 777 [7]
3 years ago
13

Y is inversely proportional to x. When y=50, x=4 Work out y when x=8

Mathematics
1 answer:
notka56 [123]3 years ago
5 0

Answer:

100

Step-by-step explanation:

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True or False?
oee [108]

Answer:

False

Step-by-step explanation:

y = 2x + 1

Substitute the point (4,3) into the equation and see if it is true

3 = 2(4) +1

3 =8+1

3 =9

This is false, so the point is not a solution

4 0
3 years ago
Someone help me out i don’t understand
Amiraneli [1.4K]

Answer:

3.9 km

Step-by-step explanation:

Arc length is (pi*r)/4=(pi*5)/4=3.9 km. Love from Gauthmath.

5 0
3 years ago
The value of (a-1)+a^2-b^2/1-ab+2(a-b)/2b when a=2 and b=-1 is ?
poizon [28]
<span>The value of (a-1)+a^2-b^2/1-ab+2(a-b)/2b when a=2 and b=-1 will be evaluated as follows:
substituting the values in the expression we obtain:
(2-1)+2^2-(-1)^2/1-(2*(-1))+2(2-(-1))/(2(-1))
simplifying the above we get:
1+4-1/1-(-2)+2(2+1)/(-2)
=1+4-1+2(3)/(-2)
=1+4-1-3
=5-4
=1

Answer: 1</span>
8 0
3 years ago
A student wrote and simplified an expression for the perimeter of the rectangle. (Using the picture provided.)
muminat

Answer:

I’m backk

Step-by-step explanation:

5 0
2 years ago
What is 0,55 rational number
Maurinko [17]

Answer:

Answer and Explanation:

The decimal 0.55 is a rational number. It is a terminating decimal and all terminating decimals are rational numbers since they can be expressed by a..

Step-by-step explanation:

6 0
2 years ago
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