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4 years ago

Find the missing sides in this 30°-60°-90° right triangle short=2 long=

Mathematics

1 answer:

Neporo4naja [7]4 years ago

6 0

Answer:

Longer side(L) = 2*sqrt{3} units or 3.46410161514

Step-by-step explanation:

the length of the hypotenuse is twice the length of the shorter side also, the length of the longer side is sqrt{3} times the length of the shorter leg.

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At Ole's Waffle Shop there are 81 dirty coffee mugs and 9 clean coffee mugs. What percentage of the coffee mugs at the waffle sh

Andrei [34K]

90 percent of the mugs are dirty

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3 years ago

Find the angle in the image.

k0ka [10]

B) 67 degrees
The correct answer is 67 and side a is 14.8

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3 years ago

Determine which polynomial is a perfect square trinomial.

Colt1911 [192]

<span>Trinomial Ax^2 + Bx + C is perfect square if:
A > 0
C > 0
B = ±2√A√C

36b^2 − 24b − 16
C < 0

4a^2 − 10a + 25
2√A√C = 2*2*5 = 20,
B = −10

16x^2 + 24x − 9
not perfect square,
C < 0

4x^2 − 12x + 9
perfect square:
A>0,
C>0,
2√A√C
= 2*2*3
= 12
= -B
= (2x − 3)^2
hope this helps</span>

6 0

3 years ago

Read 2 more answers

Consider this sequence: -81, -54, -36, -24, … . The sequence is . The common ratio of the sequence is . The sum of the first fiv

solong [7]

Answer:

The reason for the decreasing sequence is $\frac{2}{3}$

the sum of the sequence is -243

Step-by-step explanation:

Note that the numbers are decreasing so we will use the following formula to find the sum:

S∞= $\frac{t1}{1-q}$ ,

where t1 is equal to the first number of the sequence and q is the reason that gives the following results.

to find q this form is used;

q= $\frac{t2}{t1}= \frac{-54}{-81} =\frac{2}{3}$

then we replace in the formula of the sum to find the total

7 0

4 years ago

The temperature is dropping at a rate of five degrees per hour.

artcher [175]

Answer:

The rate at which the temperature drops.

Step-by-step explanation:

In science, the dependent variable is what you are measuring.
In math, the dependent variable is what you are evaluating.

Same idea, different topic.

7 0

2 years ago

Read 2 more answers