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r-ruslan [8.4K]

3 years ago

6

Help ASAP with this questions.

1 answer:

Finger [1]3 years ago

4 0

A= h (a+b)

solving for b:

Solve for b, i.e separate b in one side and the other terms in the other side

A = ah + bh

A - ah = bh

(A - ah) / h = b

$b= \frac{A-ah}{h}$

I hope that helps!

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The number of subsets that can be created from the set {1, 2, 3} is

omeli [17]

No of substes is given by 2^n where n is the no of elements.
Here, n = 3

Therefore, number of subsets = 2^3 = 8

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3 years ago

Polygon ABCDEF has 6 sides. A is 170° C is 133° D is 102° he is 117° and F is 90°. What is the measure of b?

Zielflug [23.3K]

Answer:

$B = 134^o$

Step-by-step explanation:

$n = 6$ --- sides

$A = 170^o$

$C = 107^o$

$D = 102^o$

$E = 117^o$

$F = 90^o$

Required

The measure of B

The interior angles of a polygon is:

$Angles = (n - 2) * 180$

So, we have:

$Angles = (6 - 2) * 180$

$Angles = 4 * 180$

$Angles = 720^o$

The measure of B is calculated using:

$A + B + C + D + E + F = 720$

Substitute known values

$107 + B + 170 + 102 + 117 + 90 = 720$

Collect like terms

$B + 107 + 170 + 102 + 117 + 90 = 720$

$B + 586 = 720$

Collect like terms

$B = 720 - 586$

$B = 134^o$

4 0

3 years ago

4. Find the circumference of the circ All changes saved

Nat2105 [25]

Answer:

A. 62.8 in.

Step-by-step explanation:

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Substitute

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3 years ago

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Step-by-step explanation:

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3 years ago

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A rectangle's perimeter and area have the same value. The width of the rectangle is 6 units. What is the length of the rectangle

Sliva [168]

Answer:

The length ot rectangle is 3 units.

Step-by-step explanation:

The formula for perimeter is P = 2l + 2w and the area is A = l×w. Assuming that the perimeter and area have the same values so you have to compare it :

$perimeter = 2l + 2w$

$area= l \times w$

$perimeter = area$

$2l + 2w = lw$

$let \: w = 6$

$2l + 2(6) = 6l$

$2l + 12 = 6l$

$12 = 6l - 2l$

$4l = 12$

$l = 3 \: units$

8 0

3 years ago