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topjm [15]
4 years ago
14

It’s about right triangles but it’s confusing

Mathematics
2 answers:
shusha [124]4 years ago
4 0

Answer:

Its D

Step-by-step explanation:

Imagine that we have a 2 cm straw that will be the height.

5 cm is for the base

So the upper one must longer than the base

So its 7 cm

Lynna [10]4 years ago
3 0

Answer:

A

Step-by-step explanation:

Use Pythagorean Theorem, which is for side lengths of right triangles.

a^2 + b^2 = c^2  (c is the hypotenuse)

Common combination is 3-4-5. Just by looking at the answers, I can see A is 3-4-5 except everything is multiplied by 2.

B is wrong. It would be 5-12-13 if it were a RT.

C is wrong. 3-4-5

D is wrong. 4 + 25 = 49 is not an equation.

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A sample data set has a mean of 122.3 and a standard deviation of 18.5. Convert a score of 168.4 to a z score and determine if t
shtirl [24]

Answer:

Z=2.49 and this Z-score is “unusual.”

Step-by-step explanation:

To calculate the Z score use the following formula

Z=\frac{x-\mu}{\sigma}

Where

μ is the average

\sigma is the standard deviation

x is the data to which we will calculate the z-score

In this case

\mu = 122.3\\\\\sigma= 18.5\\\\x =168.4

So

Z=\frac{168.4-122.3}{18.5}

Z=2.49

A z-score is unusual if Z> 2 or Z < -2

Finally

Z=2.49 and this Z-score is “unusual.”

5 0
3 years ago
I will give the brainless thing to the first person to get it right
damaskus [11]

Answer:

D. Velocity

Step-by-step explanation:

The velocity is the dependent variable because it's "dependent" on how much time has passed! That's how I think about dependent/independent variables at least.

I hope this helped!

7 0
3 years ago
Graph the function.<br> f(x)=3z-5<br> Use the Line tool and select two points to graph
mojhsa [17]

The plot of the graph is attached and points have been determined

The two among them are (5,-2) ,(15,4).

What is a  Line Function ?

A line function is what can be written in the form of

y =mx +c

where m is the slope and c is the intercept on y axis.

The equation given here is y = (3/5)x -5

m = 3/5

c = -5

The plot of the graph is attached and points have been determined

The two among them are (5,-2) ,(15,4)

To know more about Line Function

brainly.com/question/13425362

#SPJ1

7 0
2 years ago
a bag contains 20 pink marbles and 12 yellow marbles. you choose a marble at random. what is the probability of selecting a pink
Sati [7]
So the total amount of marbles is: 20+12=32
there are 20 pink marbles
20/32 = 10/16 = 5/8 (simplified)
4 0
3 years ago
Help with this problem pls
Yuki888 [10]

Answer:

question is not clear please send again

3 0
3 years ago
Read 2 more answers
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