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melamori03 [73]
3 years ago
6

Vlad spent 20 minutes on his homework and then completely solved x math problems that took 2 minutes to complete. What is the eq

uation tat can be used to find the value of y, the total that Vlad spent on his homework, and what are the constraints on the values on the values of x and y
Mathematics
1 answer:
aalyn [17]3 years ago
5 0

Answer:

20 divided by 2 = 10

Step-by-step explanation:

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HELPPP ME PLEASE IVE BEEN 2 hours IN THIS QUESTIONN
Harlamova29_29 [7]

9514 1404 393

Answer:

  12.9 square yards

Step-by-step explanation:

The base is an equilateral triangle, so we can assume that the three faces have the same dimensions. Each of those face triangles has an area of ...

  A = 1/2bh

  A = 1/2(3 yd)(2 yd) = 3 yd²

The base area is computed using the same formula and the given height:

  A = 1/2(3 yd)(2.6 yd) = 3.9 yd²

Then the total surface area is that of the base and the three faces:

  SA = (3.9 yd²) + 3(3 yd²) = 12.9 yd² . . . total surface area

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2 years ago
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eimsori [14]
B and C because both bases are squares
8 0
2 years ago
When solving for y in a equation what is the answer to 5x-3y=21​
masha68 [24]

Answer:

y=53x-7

Step-by-step explanation:

5x-3y=21

-3y=-5x+21

divide by 3

y=5/3x-7

4 0
3 years ago
Read 2 more answers
Help me please with this maths homework
IRINA_888 [86]
The value of the number can be equal to or less than -3
8 0
3 years ago
Line segment AB is shown on a coordinate grid: A coordinate grid is shown from positive 6 to negative 6 on the x-axis and from p
serious [3.7K]

Answer:

A′B′ and AB are equal in length.

Step-by-step explanation:

Given that the location of the points are at A(1, 3) and B(5, 3).

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, rotation, translation and dilation.

Rigid transformation are transformation that preserves the shape and size when performed. Types of rigid transformation are reflection, rotation, translation.

Hence if AB is rotated 270 degrees counterclockwise about the origin to form A′B′, both A′B′ and AB are equal in length because rotation is a rigid transformation.

If A(x,y) is rotated 270 degrees counterclockwise about the origin, it becomes A'(y,-x).

Hence if AB is rotated 270 degrees counterclockwise about the origin to form A'(3, -1), B'(3, -5)

AB=\sqrt{(5-1)^2+(3-3)^2} =4\\\\A'B'=\sqrt{(3-3)^2+(-5-(-1))^2}=4,

5 0
3 years ago
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