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3 years ago

9

An acute angles measure is:

2 answers:

zhuklara [117]3 years ago

5 0

Answer: anything less than 90 degrees

Explanation:

Acute: anything less than 90 degrees

Right: 90 degrees

Obtuse: anything more than 90 degrees but less than 180 degrees

kkurt [141]3 years ago

3 0

Answer:

Acute angles measure less than 90 degrees. Right angles measure 90 degrees. Obtuse angles measure more than 90 degrees.

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How do you solve this?

Katarina [22]

$\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{}{ h},\stackrel{}{ k})\qquad \qquad radius=\stackrel{}{ r} \\\\[-0.35em] ~\dotfill\\\\ (x-6)^2+(y+5)^2=16\implies [x-\stackrel{h}{6}]^2+[y-(\stackrel{k}{-5})]^2=\stackrel{r}{4^2}~\hfill \begin{cases} \stackrel{center}{(6,-5)}\\ \stackrel{radius}{4} \end{cases}$

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4 years ago

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which of the following algebraic expression can be used to express the statement three less than z squared

frez [133]

$z^{2}$ -3

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3 years ago

In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?

Advocard [28]

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

3 transistors from a set of 100. So

$C_{100,3} = \frac{100!}{3!(100-3)!} = 161700$

So 161700 ways.

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3 years ago

What is the area of the polygon?<br> A: 1,140 2<br> B: 1,620 2<br> C: 2,052 2<br> D: 2,220 2

PtichkaEL [24]

Answer:

B: 1620cm2

Step-by-step explanation:

16×15×2+30×20

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3 years ago

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Given x less than y, compare the following expressions and determine which is greater: 2x-y;2y-x. Explain your answer

sweet [91]

Let's form the difference of the two expressions and see what we can learn.

(2y -x) -(2x -y) = 2y -x -2x +y = 3y -3x = 3(y -x)

Since y > x, this is positive, so 2y -x is greater than 2x -y.

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3 years ago