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steposvetlana [31]
3 years ago
13

Answer please i need to pass this class

Mathematics
2 answers:
stepan [7]3 years ago
7 0

Answer: B (option 3)

Step-by-step explanation:

When you multiply \sqrt{b} by itself, the two square roots cancel our, giving you just b.

LuckyWell [14K]3 years ago
3 0

Answer:

b

Step-by-step explanation:

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What is not a description of slope?
nekit [7.7K]

Answer:

the ratio of horizontal change compared to vertical change

Step-by-step explanations

slope = difference of y/ difference of x

rise (y)  over (/)  run (x)

change in y over change in x  (y/x)

horizontal change (x): to vertical change (y) WRONG

3 0
3 years ago
Need help!! Can someone show me how to solve this problem pls :(
Zepler [3.9K]

Add 9 to the equation to get rid of -9 of the left side. Then you have n/4 = 2. Multiply the equation by 4 to get rid of the 4 on the left side in the denominator. You would have n = 8 which is your final answer!. If this is right could I possibly have brainliest? Hope this helped!! :)

7 0
3 years ago
Read 2 more answers
In the image, two circles are centered at A. The circle containing B was dilated to produce the circle containing B′. What is th
natulia [17]

Answer:

C. 0.5

Step-by-step explanation:

The diameter of B is from -2 to 2, which = 4 units.

The diameter of B' is from -1 to 1, which equals 2 units.

2/4 = 1/2 = 0.5 scale factor.

3 0
3 years ago
Which is less than 7/12. 3/4 or 2/3 or 5/6 or 2/4
sdas [7]
Well, first you'll need to turn all of the fractions into decimals. You do this by diving the numbers by eachother.

So,
7/12 = .58333

3/4 =  .75
2/3 = .66666666......7
5/6 = .83333333
2/4 = .5

Now, you have to figure out which decimal is smaller then .58333. By, looking at these decimals, you'll see that 2/4 is less then 7/12.
I hope this helps!
8 0
3 years ago
To solve y and x, I am adding a picture
Viktor [21]

Answer:

x =\sqrt 5

y = \sqrt{5

Step-by-step explanation:

Given

The attached triangle

Required

Solve for x

Considering angle 45 degrees, we have:

\cos(45) = \frac{y}{\sqrt{10}} --- cosine formula i.e. adj/hyp

Solve for y

y = \sqrt{10} * \cos(45)

In radical form, we have:

y = \sqrt{10} * \frac{1}{\sqrt 2}

y = \sqrt{10/2}

y = \sqrt{5

To solve for x, we make use of Pythagoras theorem

x^2 + y^2 = (\sqrt{10})^2

x^2 + y^2 =10

Substitute for y

x^2 + (\sqrt 5)^2 =10

x^2 + 5 =10

Collect like terms

x^2  =10-5

x^2=   5

Solve for x

x =\sqrt 5

4 0
3 years ago
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