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Nuetrik [128]
3 years ago
12

Please help, show me how to check the answer to this

Mathematics
1 answer:
sveta [45]3 years ago
5 0
3x-7=5x=19
3x-7-5x=5x+19-5x
-2x-7=19
-2x-7+7=19+7
-2x=26
-2x/-2=26/-2
x=-13

:) Did you get that?
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Find the area of the shaded region in square units. Show your reasoning.
motikmotik

Answer:

40 square units

Step-by-step explanation:

First of all, lets say that square has side l, so, the area unit is l^2

the diagonal's square is l\sqrt{2}

CALCULATION OF TRIANGLES'S AREA (there are 4 triangles)

A_{triangles}=4*base*heigh*0.5=2*(l\sqrt{2} )(2l\sqrt{2} )=8l^2

CALCULATION OF MAIN SQUARE AREA

A_{square}=side*side=(4\sqrt{2} l)(4\sqrt{2} l)=32l^2

TOTAL AREA

A_{total}=A_{triangles}+A_{square}=8l^2+32l^2=40l^2

3 0
3 years ago
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Step-by-step explanation:

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3 0
3 years ago
A toy box has 6 faces.There are square there are 12 edges and 8 vertices.Identify the shape of the toy box.
xxTIMURxx [149]

Answer:

A cube or a cuboid.

Step-by-step explanation:

A cube or a cuboid is a three dimensional shape that has

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6 0
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Can someone help me with this problem?
Mila [183]

Answer:

Answer is

Step-by-step explanation:

The answer 1 Its 35 Answer 2 14

8 0
3 years ago
Read 2 more answers
Solve for px thanks
koban [17]
Px + 12 = 17
px = 5
x = 5/p

ans) D
6 0
3 years ago
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