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3 years ago

19 points please explain thanks

Mathematics

2 answers:

miss Akunina [59]3 years ago

5 0

Answer:

EFK and IKH are vertical angles

Step-by-step explanation:

Vertical angles touch at a point and have the same lines, just extended

EFK and IKH are vertical angles

FKG and IKJ are vertical angles

GKH and EKJ are vertical angles

satela [25.4K]3 years ago

5 0

The third option. hope this helps

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The distance traveled, in feet, of a ball dropped from a tall building is modeled by the equation d(t) = 16t2 where d equals the

nignag [31]

Assuming that by "16t2" you mean $16t^2$ :

First of all, let's compute the position at the two required times:

$d(2)=16\cdot 2^2 = 16*4 = 64$

$d(5)=16\cdot 5^2 = 16*25 = 400$

So, the ball traveled a total distance of $\Delta d = 400-64 = 336$ , during the time $\Delta t = 5-2 = 3$ .

The average rate of change is the ratio between these two:

$\frac{\Delta d}{\Delta t} = \frac{336}{3} = 112$

3 0

3 years ago

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Please please help me!!

makvit [3.9K]

Answer:

f(x)= - l x - (-4) l + 0

Step-by-step explanation:

6 0

3 years ago

A scientist is interested in the effect of time spent with parents and number of hours

gladu [14]

Answer: If X = 5, z=-3

If X = 37, z= 3.4

Step-by-step explanation:

We know that the formula to find the z-score for any random variable x is given by :-

$z=\dfrac{x-\mu}{\sigma}$

, where $\mu$ = Population mean

$\sigma$ = Population standard deviation.

As per given , we have

$\mu=20\\\\\sigma=5$

Then , the z-score for x =5

$z=\dfrac{5-20}{5}=\dfrac{-15}{5}=-3$

i.e. If X = 5, z=-3

When x =37,then $z=\dfrac{37-20}{5}=\dfrac{17}{5}=3.4$

i.e. If X = 37, z= 3.4

7 0

3 years ago

If the diameter of a circle is 2.5 inches what is the circumference of the circle

disa [49]

Answer:

7.85 inches

Step-by-step explanation:

4 0

3 years ago

Write the next three terms of the following sequence:

Keith_Richards [23]

Answer:

21... 27.... 38...

Step-by-step explanation:

Add prime numbers to the number in alternate.

4 + 3 = 7

5 + 5 = 10

7 + 7 = 14

10 + 11 = 21

14 + 13 = 27

21 + 17 = 38

7 0

3 years ago