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AfilCa [17]
3 years ago
5

1 1/2 is what % of 7 1/2 and also 7 1/2 is what % of 1 1/2?

Mathematics
2 answers:
nataly862011 [7]3 years ago
4 0
The first one is 20 percent
Nataly [62]3 years ago
3 0
Answer
20% for the first one
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Identify any extraneous solution. See above pic
Sav [38]

Answer:

There are no extraneous solutions

Reasoning:

An extraneous solution is a solution that isn't valid, it might be imaginary like the square root of a negative number.

first we want to isolate z:

1+sqrt(z)=sqrt(z+5)

^2 all      ^2 all

(1+sqrt(z))(1+sqrt(z))=z+5

expand

1+2sqrt(z)+z=z+5

-1              -z  -z -1

2sqrt(z)=4

/2           /2

sqrt(z)=2

^2 all    ^2 all

z=4

Since there is one solution and it is a real number, there are no extraneous solutions.

4 0
3 years ago
Read 2 more answers
A square has an area of 64 square units. A cube has a volume of 64 cubic units. What is the difference in the side length of the
Rina8888 [55]
The formula in solving the area of a square is Area = a² where "a" is for the length of the side. The area formula in solving a cube is Area = 6a² where "a" is for the length of its side.
Area of square = a²
64 = a²
a = 8 units

Area of cube = 6a²
64= 6a²
a = 3.27 units 

The difference of side of the square and side of the cube is shown below:
Difference = 8 - 3.27
Difference = 4.73 units.

The answer is 4.73 units.
4 0
3 years ago
Can someone help me please
tamaranim1 [39]

all shapes with 4 angles are 360 degrees

100+96= 196

360-196= 164

c+d=164

80+84=164

D is 84

C is 80

4 0
3 years ago
Read 2 more answers
What’s the answer for 5 1/5 —3 3/5=
Sindrei [870]

Answer:

8/5 or 1.6

Step-by-step explanation:

4 0
3 years ago
(2/7×8/4)+2/3÷(2/6×3/6+1/6)​
Julli [10]

Answer:

Answer attached

Step-by-step explanation:

3 0
3 years ago
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