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olga_2 [115]
2 years ago
11

HELP AGAINNNN :)) HAVE AN AMAZING DAY

Mathematics
2 answers:
jeka57 [31]2 years ago
7 0
The answer for your question is 6 :)
Marat540 [252]2 years ago
5 0
Answer:
Hi..................
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A market research group is interested in comparing the mean weight loss for two different popular diets. The researcher chooses
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Answer:

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Step-by-step explanation:Jawo

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3 years ago
PLS I RLLY NEED HELP I MIGHT GIVE BRAINLIEST Just pls help
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y=3x-7

step by step explaination:

4 0
3 years ago
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What is the length of a diagonal of a cube with a side length of 10 cm? 200 cm 210cm 300 cm 320cm
Scilla [17]

Answer:

The length of the diagonal of the cube = √(3 × 10²) = √300 cm

Step-by-step explanation:

* Lets revise the properties of the cube

- It has six equal faces all of them are squares

- It has 12 vertices

- The diagonal of the cube is the line joining two vertices in opposite

 faces (look to the attached figure)

- To find the length of the diagonal do that:

# Find the diagonal of the base using Pythagoras theorem

∵ The length of the side of the cube is L

∵ The base is a square

∴ The length of the diagonal d = √(L² + L²) = √(2L²)

- Now use the diagonal of the base and a side of a side face to find the

 diagonal of the cube by Pythagoras theorem

∵ d = √(2L²)

∵ The length of the side of the square = L

∴ The length of the diagonal of the cube = √[d² + L²]

∵ d² = [√(2L²)]² = 2L² ⇒ power 2 canceled the square root

∴ The length of the diagonal of the cube = √[2L² + L²] = √(3L²)

* Now lets solve the problem

∵ The length of the side of the square = 10 cm

∴ The length of the diagonal of the cube = √(3 × 10²) = √300 cm

- Note: you can find the length of the diagonal of any cube using

 this rule Diagonal = √(3L²)

7 0
3 years ago
Read 2 more answers
50 POINTS!!!!!!!!!
zepelin [54]

Answer:

the answer is B

Step-by-step explanation:

Hope this helps

5 0
2 years ago
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The length of a rectangle is 7 inches less than twice the width, w, of the rectangle.
Ivan

Answer:

Step-by-step explanation:

Let w represent the width of the rectangle.

The length of a rectangle is 7 inches less than twice the width, w, of the rectangle. It means that the length is (2w - 7) inches

Part A

The function that gives the area as a function of the width is

A(w) = w(2w - 7)

Part B:

If the area of the rectangle is 60 square inches, it means that

w(2w - 7) = 60

2w² - 7w = 60

2w² - 7w - 60 = 0

2w² + 8w - 15w - 60 = 0

2w(w + 4) - 15(w + 4) = 0

2w - 15 = 0 or w + 4 = 0

w = 15/2 or w = - 4

Since w cannot be negative, then

w = 15/2 = 7.5 inches

4 0
3 years ago
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