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Mars2501 [29]
3 years ago
8

Plss help me in this

Mathematics
2 answers:
Alla [95]3 years ago
8 0

Answer: Hello, my name is woods 245. And I'm here to answer your question.

So what do you need with and I will help you with it.

Step-by-step explanation:

Elan Coil [88]3 years ago
3 0

Answer:

3+\sqrt{3} , 5\sqrt{5}, 2\sqrt{2}, and 18 -2\sqrt{2}

Step-by-Step Explanation:

1)

\sqrt{3}(\sqrt{3}+1)

Distribute the square root:

\sqrt{9}+\sqrt{3}

3+\sqrt{3}

2)

(\sqrt{5} )(\sqrt{5} )(\sqrt{5} )

\sqrt{(5)(5)(5)}

\sqrt{(25)(5)}

(\sqrt{25}) (\sqrt{5)}

5\sqrt{5}

3)

(\sqrt{2} )(\sqrt{2} )(\sqrt{2} )

\sqrt{(2)(2)(2)}

\sqrt{(4)(2)}

(\sqrt{4}) (\sqrt{2)}

2\sqrt{2}

4)

(3\sqrt{2})^{2} -2\sqrt{2}

(9)(2) -2\sqrt{2}

18 -2\sqrt{2}

If you need it factored:

2(9-\sqrt{2})

Keep in mind that square roots can be positive<em> or</em> negative.

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chelsea has four hours of free time on saturday. she would like to spend no more than 2/3 of an hour on each activity. how many
shutvik [7]
4 / (2/3) =
4 * 3/2 =
12/2 =
6 activities

OR

2/3(60) = 120/3 = 40 minutes per activity
40 hrs = (60 x 40) = 240 minutes
240/40 = 6 activities
4 0
3 years ago
Evaluate if x = 2, y = 4, and z = 3. <br>x2 + xyz
ololo11 [35]

Answer:

28

Step-by-step explanation:

If x=2 then 2x2 is 4

Plus 2x4x3= 28

Hope this helps! :D

6 0
3 years ago
Read 2 more answers
Help? I don’t know the answer
goblinko [34]

Answer:

D

Step-by-step explanation:

<u>The question is about multiplication of matrices</u>

Given matrix A as [6  -12]

                              [4     8]

 if 1/2x= A

then x=2A

A={6 -12}

    {4   8}

x=twice A or A +A

<u>solving for 2A</u>

2A=(2×6  2×-12)

       (2×4  2×8)

2A= (12   -24)

        (8       16)

7 0
3 years ago
Read 2 more answers
find the equation of a line that passes through (2 -1) and ia parallel to y=2x+y-4=0 leave your answer in the form of y=mx+c
Oksanka [162]

Answer:

Y=2x-5

Step-by-step explanation:

Parallel m=2

Y=mx+c

-1=2(2)+c

C=-5

7 0
4 years ago
Sally wants to purchase some snowboarding equipment, clothes, and a season pass. She calculates that it will cost her about $1,8
mixer [17]

Lol I just answered the same question minutes ago. Here is the answer I gave him/her.


Total Cost : 1800



12 dollars * 16 hours = 192 dollars earned



0.2 percent * 192 = 38.4 dollars saved



A.She earns 192 dollars every week



B.  she will save 38.4 dollars * 7 weeks = 268.8  dollars in a week.



C.  7 days times 4.3 weeks = 30.1 days. 30.1 days * 38.4 = 1,155.84 dollars every month.



D. it will take her  about 2 months to save the money. To be exact: 1.6 months.



Hope this helped!



6 0
3 years ago
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