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s344n2d4d5 [400]
3 years ago
12

Solve 5x − 6y = −38 3x + 4y = 0

Mathematics
1 answer:
shepuryov [24]3 years ago
6 0
The answers are X=-4 and Y=3. 
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Explain the difference between a well defined set and a set that is not well defined. Give examples.
yuradex [85]

Answer:

Step-by-step explanation:

A well defined set is one which is universally defined and accepted, you can easily define what the set is and what is not a member of the set.example is a set of integers between 1 and  30

A not well defined set is one which is ill defined set. example is a list of hit musical hit of 2019

6 0
3 years ago
If 9% of a number equals 10, find 90% of that number.
rodikova [14]
The answer is 100 % because it’s the same but with two zeros
5 0
3 years ago
What is the exact area of a circle with a diameter of 18 feet
marin [14]
A = π r^2
A = 9^2 <span>π
</span>A = 81<span>π 

if using </span>π = 3.14 then

A = 3.14 x 81 = 254.47 ft^2

answer: 81π ft^2 or 254.47 ft^2

hope that helps
6 0
3 years ago
9 is 25% of what number?
Black_prince [1.1K]

Answer:

1. 36

2. 90

3. 9

4. 6

Step-by-step explanation:

4 0
3 years ago
50 points!! Help needed
babunello [35]

Answer:

1) Enlargement

2) Reduction

Step-by-step explanation:

Question 1

200% means double, a factor 2

a) 2(2.5) = 5 inches

it's an enlargement

b) 2(original) = new/on the page

Question 2

a) 0.6(24) = 14.4 inches

Reduction

b) 0.6(original) = new/sketch

4 0
3 years ago
Read 2 more answers
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