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2 years ago

A triangle has known angle measurements of 118 degrees and 30 degrees, so angle "K" must have a measure of

Mathematics

1 answer:

valkas [14]2 years ago

3 0

Answer:

32 degrees

Step-by-step explanation:

All angles in a triangle add up to 180.

118 + 30 = 148

To find what's missing, subtract that from 180.

180 - 148 = 32 degrees

Hope this helped. :)

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The perimeter of a rectangle is 30 cm and its length is x cm. Find its area in terms of x. step by step explanation.

mars1129 [50]

Answer:

The area of the rectangle in terms of 'x' = 13x

Step-by-step explanation:

Perimeter = 30 cm

Length = x cm

Using the perimeter formula to find the width w.

$P=2(l+w)$

$P = 2l + 2w$

$2w = P-2l$

Dividing both sides by 2

$w\:=\:\frac{P}{2}-2$

as P = 30 cm

$w\:=\:\frac{30}{2}-2$

$w\:=\:15-2$

$w = 13$ cm

Using the formula of the rectangle area

$A = wl$

substitute w = 13 and l = x in the formula

$A=13\times \:x$

$A = 13x$

Therefore, the area of the rectangle in terms of 'x' = 13x

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2 years ago

look at the shape of the graph. What can you predict about the mean and median prices? I ready level f

Savatey [412]

Answer:

Where is the graph?

Step-by-step explanation:

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2 years ago

Read 2 more answers

How to remember nagative exponents how to solve nagative exponents

marishachu [46]

To solve the negative exponents , we have to apply the negative exponent rule or the fractional exponent rule.

<h3>How are negative exponent calculated?</h3>

To calculate the negative exponent we need to remember about the negative exponent that the base is on the opposite side of the fraction. Here , We need to flip the fraction so that the base will be on the other side.

Negative exponent Rule :-

$a^{-n} = \frac{1}{a^{n} }$

Now , we will solve a fraction with negative exponent

For example ; Simplify the fraction $\frac{3^{-2} }{9^{-2} }$

Solution : $\frac{3^{-2} }{9^{-2} } = \frac{9^{2} }{3^{2} }= \frac{81}{9}$

= 9

Here, 9 is the answer of the above example.

For more negative exponent related content visit here

brainly.com/question/1773695

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7 0

1 year ago

Of the trees on christmas lot 50% are virginia pine, 1/10 are blue spruce, 3/20 aredouglas fir and 25% arebalsam fir. Which deci

Oxana [17]

Answer 0.40

Step by Step
3/20=0.15
25.% (move the decimal back two places) 0.25
0.15+0.25=0.40

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3 years ago

Which of the diagrams below represents the statement “if it is a square then it is a quadrilateral

Vladimir79 [104]

Please include the diagrams in that question :)

4 0

3 years ago