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gayaneshka [121]
2 years ago
7

Mrs. Kwan is three times as old as her daughter Ling,her son Chan,who is 5 years old is half as old as Ling. How old is Mrs. kwa

n?
Mathematics
2 answers:
Bezzdna [24]2 years ago
8 0
Ghfggggfccccjfvfxjffh
zhuklara [117]2 years ago
3 0

Answer:I believe Mrs. Kwan = 30, Ling = 10, and Chan = 5

Step-by-step explanation:

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Help me find the answer plss​
Olin [163]

Answer:

about 8.2 cm

Step-by-step explanation:

The key is to realize that the volume never changes.
The formula for the volume of a sphere is (4/3)*pi*radius^3
22/7 is being substituted in place of pi in this problem
The volume of one of the small spheres is
(4/3)*(22/7)*2^3 is about 33.524 cm^3
64 of those spheres would have a volume of 33.524*64, or about 2145 cm^3
Now, the problem is to find a sphere with a volume of 2145 cm^3
Volume = (4/3)*(22/7)*radius^3
plug in and solve
2145 = 4.1905*r^3
r^3=511.87
r is about equal to 8.2 centimeters

5 0
1 year ago
Suppose you have three consecutive integers.The greatest of the three integers is twice as great as the sum of the first two.Wha
vredina [299]

Answer:

0, 1, 2

Step-by-step explanation:

So, since there are three consecutive integers, you have the equations

x, x+1, x+2 where x is the smallest number.

The greatest of the three integers= x+2

Finish setting up your equation;

2(x+x+1)=x+2

Combine like terms;

2(2x+1)=x+2

Distribute;

4x+2=x+2

3x=0

x=0

x+1=1

x+2=2

Hope this helps:) Have a good day!

8 0
2 years ago
Which quadratic function in vertex form can be represented by the graph that has a vertex at (3, -7) and passes through the poin
Vaselesa [24]

Answer:

Answer is D

Step-by-step explanation:

(3,-7) and (1,-10) belong toD Variant

8 0
3 years ago
Read 2 more answers
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A. 20 characters 20 characters 20 characters
5 0
3 years ago
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How is the distributive property used to expand expressions? provide an example
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Yes the distributive property is used to expand expressions, but it is also used to make it simpler.
For an example

3(x+4) + 3(y-8)
This is the same thing as
3x + 12 + 3y -8
8 0
3 years ago
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