Help me with this question please

Mathematics

1 answer:

Andrew [12]3 years ago

4 0

Complementary angles are two angles that add up to a right angle, or 90°.

If ∠A and ∠B are complementary, that means that m∠A + m∠B = 90°. Plugging in the given values for m∠A and m∠B, we have

(2x-29) + (x + 23) = 90

Which we can use to solve for x:

2x - 29 + x + 23 = 90
(2x + x) + (-29 + 23) = 90
3x - 6 = 90
3x = 96
x = 32

Since we already know m∠B = (x + 23)°, we can substitute x to find that m∠B = (32 + 23)° = 55°

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d1i1m1o1n [39]

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2 years ago

How to find the value of x in a triangle (5x-11)°, (2x+20)°, (11x-63)°

asambeis [7]

Answer:

x=13

Step-by-step explanation:

Well, the triangle is always equal to 180 degrees in total. Lets remember that x will always be the same in every equation.

So, (5x-11) x (2x+20) x (11x-63) = 180.

Now, take away the parenthesis and add up all the like terms.

This should = 18x-54 = 180.

Now solve like you regularly would. Add 54 on both sides which equals,

18x=234. Now, divide 18 on both sides.

x = 13.

Hope this helps.

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3 years ago

Read 2 more answers

How many 4 1 2 inch strips can be made from 45 inches of shipping tape?

bezimeni [28]

Just divide the 45 by the 4½

thus $\bf 45\div 4\frac{1}{2}\iff \cfrac{45}{4\frac{1}{2}}\implies \cfrac{\frac{45}{1}}{\frac{4\cdot 2+1}{2}}\implies \cfrac{\frac{45}{1}}{\frac{9}{2}}\implies \cfrac{45}{1}\times \cfrac{2}{9}\implies \cfrac{45\times 2}{1\times 9}$