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iris [78.8K]
3 years ago
14

Can anyone answer these questions?

Mathematics
1 answer:
sdas [7]3 years ago
6 0

Answer:

g^2=49

7^2=49

g=7

hope it is helpful to you

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Someone help me with this one pleaseeee
Anika [276]

Answer:

4 because its not a scatter plot

Step-by-step explanation:

4 0
3 years ago
How to calulate the area of a square with a perimeter of 60 inches​
olasank [31]

Answer:

<h2>A = 225 in²</h2>

Step-by-step explanation:

The formula of an area of a square:

A=s^2

<em>s</em><em> - side</em>

The formula of a perimeter of a square:

P=4s

<em>s</em><em> - side</em>

<em />

We have a perimeter

P=60\ in

Substitute:

4s=60             <em>divide both sides by 4</em>

\dfrac{4s}{4}=\dfrac{60}{4}\\\\s=15\ in

Put it to the formula of an area of a square:

A=15^2=225\ in^2

6 0
3 years ago
Read 2 more answers
Write 6.39 repeated as a mixed number in simplest form? <br> please help ASAP !!
CaHeK987 [17]

Answer:

639/100

Step-by-step explanation:

6 0
3 years ago
Find the volume V of the described solid S. The base of S is the triangular region with vertices (0, 0), (3, 0), and (0, 3). Cro
Reil [10]

Answer:

27/2

Step-by-step explanation:

Given

Vertices (0, 0), (3, 0), and (0, 3)

Since the base of the equilateral in the plane perpendicular to the x-axis goes from the x-axis to the line y = 3 - x.

So, the length of each side of the triangle is (3-x)

Calculating the area;

Area = ½bh

Where b = base = 3 - x

height is calculated as;

h² = (3-x)² + (½(3-x))² --- from Pythagoras

h² = 9 - 6x + x² + (3/2 - ½x)²

Let h² = 0

0 = 9 - 6x + x² + (9/4 - 6/4x + ¼x²)

0 = 9 + 9/4 - 6x - 6/4 + x² + ¼x²

0 = 45/4 - 30x/4 + 5x²/4

0. = 5x²/4 - 30x/4 + 45/4

0 = 5x² - 15x/4 - 15x/4 + 45/4

0 = 5x(x/4-¾) - 15(x/4 - ¾)

0 = (5x - 15)(x/4 - ¾)

5x = 15 or x/4 = 3/4

x = 3 or x = 3

So, h = 3

Area = ½bh

Area = ½ * (3-x) * 3

Area = ½(9-3x)

Volume= Integral of ½(9-3x) {3,0}

V = 9/2 - 3x/2 {3,0}

V = 9x/2 - 3x²/4 {3,0}

V = 9(3)/2 - 3(3)²/4

V = 27/2 - 27/4

V = 27/2

4 0
3 years ago
Solve for u.<br><br> 3u + 4 = 7
Thepotemich [5.8K]
  • <em>Answer:</em>

<em>u = 1</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>3u + 4 = 7</em>

<em>3u = 7 - 4</em>

<em>3u = 3</em>

<em>u = 3 : 3</em>

<em>u = 1</em>

<em>Good luck !</em>

6 0
3 years ago
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