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3 years ago

Geometry- Find the line of reflection symmetry

Mathematics

1 answer:

bogdanovich [222]3 years ago

6 0

Answer:

the line of symmetry is the one that is going between the circle the long line that is crossing through the top and going through the bottom.

Step-by-step explanation:

the line that is on the top where there is 3 lines going vertical and one that is going horizontal.

the third line is the line of symmetry

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Kyle earned 4 times as much as Ken last summer. If they earned a total of $750, how much did they each earn?

Sholpan [36]

Answer:

600, 150

Step-by-step explanation:

Kyle is x

ken is y

x = 4y

x+y = 750

replace x with 4y

4y + y = 750

5y = 750

y = 150

so ken earned 150

x + 150 = 750

x = 600

so Kyle earned 600

6 0

3 years ago

Square root x+6=7 find the real solution on the equation

loris [4]

Add -6 to both sides

square root x+6-6=7+-6

square root x=1

Solve square root

square root x=1

x= 1^2 ( square root both sides )

x=1

I hope that's help !

6 0

4 years ago

Read 2 more answers

Abby scored 87, 86, 93, and 89 on her first four history quizzes. What score does Abby need to get on her fifth quiz to have an

Delicious77 [7]

Answer:

Step-by-step explanation:

The average of a data set is just all the numbers added up divided by the amount of numbers.

If we already have 4 pieces of data and we're looking for one more, we have 5 data pieces.

This means that the sum of all of the numbers in the data set will be $91\cdot5=455$ if the mean is 91.

We can find the missing value by adding up what we know and subtracting from 455.

$87+86+93+89=355\\\\455-355=100$

So Abby needs a 100% on her fifth history quiz to have an average of 91 on all her quizzes.

Hope this helped!

4 0

3 years ago

If sine ⁡theta equals negative 8/17 and the terminal side of theta lies in quadrant IV, find cosine ⁡ theta .

Lelechka [254]

$\sin^2\theta+\cos^2\theta=1\implies \cos\theta=\pm\sqrt{1-\sin^2\theta}$

Since $\sin\theta=-\dfrac8{17}$ , it follows that

$\cos\theta=\pm\sqrt{1-\dfrac{64}{289}}=\pm\sqrt{\dfrac{225}{289}}=\pm\dfrac{15}{17}$

where the sign depends on the location of the terminal side of the angle. Since the terminal side lies in the fourth quadrant, that means the cosine of the angle is positive, so

$\cos\theta=\dfrac{15}{17}$

3 0

3 years ago

What is the x value ?????

Lady bird [3.3K]

I got x=2.64 or x=1.32 i don't know if i done it right

3 0

3 years ago