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3 years ago

Multiple Choice: Please select the best answer

Mathematics

1 answer:

MariettaO [177]3 years ago

8 0

(6^-7)^3 =
(1/6^7) ^3 =
1/6 ^ 21. answer B

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Please help <br><br>the question is beloww

madam [21]

Answer:

-8

Step-by-step explanation:

(x-3y=136) + (18x+3y=288) We collect both processes to make y's disappear

19x=-152

x=-8

5 0

3 years ago

Slav-nsk [51]

Let k be the scale factor relating two similar prisms $P_{1}$ and $P_{2}$ , such that for corresponding parts of prisms $P_{1}$ and $P_{2}$ (for heights, in particular) we have $k= \frac{height\ of \ P_{1} }{height \ of\ P_{2} }$ . In our case $k= \frac{4}{10} = \frac{2}{5}$ .
For surfaces area we have $\frac{Surface \ area \ of \ P_{1} }{Surface \ area \ of \ P_{2}} = k^{2} =( \frac{2}{5} )^{2}= \frac{4}{25}$ .
So, the right answer is 4:25 (choice B)

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3 years ago

65 is 20% of what number

Verizon [17]

(60 / - 20 ) x 100% = 300%

6 0

3 years ago

What is 10x10, please help xd

Juliette [100K]

Answer:

100 lol

Step-by-step explanation:

ty for the points! <3

7 0

2 years ago

Read 2 more answers

Hhelp me pleaseeeeee

svetlana [45]

A. Area = ½b × h

= ½ × 16 × 9

= 72

B. Area = b × h

= 26 × 18

= 468

C. Area = a²

= 11²

= 121

D. Area = ½(a+b) × h

= ½(6+21) × 8

= 108

Hope this helps :)

Please consider marking my answer the brainliest!

4 0

3 years ago