The dimensions of a triangular prism are shown in the diagram.

Mathematics

1 answer:

KatRina [158]3 years ago

8 0

Answer:

The answer is 192.

Step-by-step explanation:

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Which expression would be equivalent to: Which expression would be equivalent to: \frac{1+b}{2} - 3(a-1)

IrinaVladis [17]

Answer:

$\frac{1+b}{2} - 3(a-1) = \frac{b- 6a+7}{2}$

Step-by-step explanation:

Given

$\frac{1+b}{2} - 3(a-1)$

Required

An equivalent expression

$\frac{1+b}{2} - 3(a-1)$

Take LCM

$\frac{1+b}{2} - 3(a-1) = \frac{1+b- 2*3(a-1)}{2}$

$\frac{1+b}{2} - 3(a-1) = \frac{1+b- 6(a-1)}{2}$

Open bracket

$\frac{1+b}{2} - 3(a-1) = \frac{1+b- 6a+6}{2}$

Collect like terms

$\frac{1+b}{2} - 3(a-1) = \frac{b- 6a+6+1}{2}$

$\frac{1+b}{2} - 3(a-1) = \frac{b- 6a+7}{2}$

Hence, an equivalent expression is:

$\frac{b- 6a+7}{2}$

8 0

3 years ago

an equilateral triangle is shown inside a square inside a regular pentagon inside a regular hexagon. write an expression for the

Alex73 [517]

We know that
the area of the shaded regions is equal to
area of the shaded region 1+area of the shaded region 2

step 1
find the area of the shaded region 1
area of the shaded region 1=Area regular Hexagon-Area <span>regular Pentagon

step 2
</span>find the area of the shaded region 2
area of the shaded region 2=Area of a square-Area of the <span>equilateral triangle
</span>
therefore
the area of the shaded regions is equal to
[Area regular Hexagon-Area regular Pentagon]+[Area of a square-Area of the equilateral triangle]

7 0

3 years ago

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Which number gives you a rational sum when you add it to 4/7?

dlinn [17]

Answer:

Thus, the rational number 93/77 should be added to -7/11 so as to get 4/7.

8 0

3 years ago

Hi, I need help please!

VashaNatasha [74]

The answer would be 1/6 :), also can I get brainliest!