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posledela
3 years ago
12

HELP ME PLEASE!!!!

Mathematics
1 answer:
Mariulka [41]3 years ago
3 0
27=9\cdot3\\48=16\cdot3\\\\7\sqrt{27}+5\sqrt{48}=7\sqrt{9\cdot3}+5\sqrt{16\cdot3}=7\cdot\sqrt9\cdot\sqrt3+5\cdot\sqrt{16}\cdot\sqrt3\\\\=7\cdot3\cdot\sqrt3+5\cdot4\cdot\sqrt3=21\sqrt3+20\sqrt3=41\sqrt3\\\\\text{Used:}\ \sqrt{a\cdot b}=\sqrt{a}\cdot\sqrt{b}\\\\\text{Answer:}\ 41\sqrt3
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Solve the following inequality. n-16<-29
leonid [27]

Answer:

n < -13.

Step-by-step explanation:

. n - 16 < -29

Add 16 to both sides of the inequality:

n < -29 + 16

n < -13.

5 0
3 years ago
Find the quotient:<br> 7/8
telo118 [61]

Answer:

c.) 2 1/3

Step-by-step explanation:

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3 0
3 years ago
What additional information do you need to prove △ABC ≅ △DEF by the SSS Postulate?
Fudgin [204]
The answer to this question is answer choice C.

For the SSS postulate, we need 3 pairs of congruent sides. However, in the image, there are only 2 pairs. 

The missing pair in the image is AC and DF. If those are congruent, the triangle can be proven congruent by the SSS postulate.

Hope this helps! :)

~AgentCozmo4, Junior Moderator
7 0
4 years ago
Read 2 more answers
Given that BD is the median of AABC and that AABC is isosceles, congruence postulate SSS can be used to prove which of the follo
marusya05 [52]

Answer:

B.

Step-by-step explanation:

Because of isosceles triangle, AB = CB.

Because of the median, AD = CD.

Because of congruence of segments being reflexive, BD = BD.

By SSS, the triangles BAD and BCD are congruent.

Answer: B.

7 0
2 years ago
Can you please help me on my review?
dimaraw [331]

Answer:

  g(x) = -∛(x-7)

Step-by-step explanation:

Reflection in the y-axis changes the sign of x, so after this transformation, the function is ...

  g(x) = f(-x)

Then, translation 7 units to the right replaces x by (x-7), so after both transformations, the function is ...

  g(x) = f(-(x -7)) = f(-(x -7))

Using the given definition for f(x), we have ...

  g(x)=\sqrt[3]{-(x-7)}\\\\g(x)=-\sqrt[3]{x-7}

7 0
3 years ago
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