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ArbitrLikvidat [17]

3 years ago

7

Name the linear pair please!

1 answer:

antiseptic1488 [7]3 years ago

4 0

(-2,6) is the pair for this equation

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Which function has zeroes at npi/2, where n is an odd integer. Select two of the following that apply.

Andrews [41]

Answer:

$y=cosx$

$y=cotx$

Step-by-step explanation:

The trigonometric function;

$y=\cos(x)$ has zeroes at $\frac{n\pi}{2}$ where $n$ is an odd integer.

The trigonometric function; $y=cot x=\frac{cosx}{sinx}$ . This also has zeroes at $\frac{n\pi}{2}$ where $n$ is an odd integer.

4 0

3 years ago

Read 2 more answers

8x + 16 = 8<br> What is x

Fofino [41]

The answer to that equation is X= -1

6 0

3 years ago

Read 2 more answers

The distance d in miles that can be covered by a rabbit in X hours is given in the equation y = 30 x The distance covered by a b

AveGali [126]

Answer:

Rabbit is faster than bear.

Step-by-step explanation:

Speed of rabbit or bear is determined by their rate of change of their distances with time.

The distance covered by rabbit in $x$ hours is given as:

$y=30x$

The above equation is of the form $y=mx$ , where, $m$ is the rate of change of $y$ with $x$ .

Therefore, the rate of change of rabbit's distance with time is 30 mi/h.

Now, from the graph, the slope is given as the rise over run.

Rise is 50 miles and run is 2 miles.

So, rate of change of bear's distance with time is, $m_b=\frac{50}{2}=25\ mi/h$

Now, 30 is greater than 25. So, rabbit is faster than bear.

6 0

3 years ago

The SAT Reasoning Test (formerly called the Scholastic Aptitude Test) is perhaps the most widely used standardized test for coll

slamgirl [31]

Answer:

The score is $x = 1884$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 1500$

The standard deviation is $\sigma = 300$

From the question we are told that the score follow a normal distribution

i.e $X \~ \ N( 1500 , 300)$

The proportion of score in the top 10% is mathematically

$P(X > x ) = P( \frac{X - \mu}{\sigma } > \frac{x - \mu}{\sigma } ) = 0.10$

Where x is the minimum score required to be in the top 10%

Now the $\frac{X - \mu}{\sigma } = Z (The \ Standardized \ value \ of \ X)$

So

$P(X > x ) = P( Z > \frac{x - \mu}{\sigma } ) = 0.10$

So

$P(X > x ) = P( Z > \frac{x - 1500}{300} ) = 0.10$

So the critical value of 0.10 from the normal distribution table is $Z_{0.10} = 1.28$

So

$\frac{x - 1500}{300} = 1.28$

$x = 1884$

6 0

3 years ago

Need help with this question

Helen [10]

Answer:

4x+18

Step-by-step explanation:

Length = x+3+x+3

width = x+3-x= 3

perimeter = x+3+x+3+x+3+x+3+3+3=4x+18

5 0

2 years ago