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AlexFokin [52]
3 years ago
13

Need good help fast like now

Mathematics
1 answer:
miv72 [106K]3 years ago
6 0
Supplementary is when two or more angles add up to 180 °
Complementary is when two or more angles add up to 90 °
If a specified number of angle does not add up to 90 ° nor 180 °, then it's none of these.

1. They are next to each other, so adjacent.
    55+35=90, so it is ....... (see above statements if necessary)
2. They are not next to each other, so not adjacent.
    30+30=60, which does not equal 90 nor 180, so it is ...... (see above statements if necessary)

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Which type of sequence is shown? Check all that apply. 4, 8, 12, 16, . . . The numbers are quickly getting larger, so this is a
melisa1 [442]

Step-by-step explanation:

4, 8 , 12 , 16 .....

  • This is an arithmetic sequence because there is a common difference of 4 between each term.
  • This is a geometric sequence because there is a common ratio of 2 between each term.

Hope it will help.

7 0
3 years ago
Review
Elza [17]

Answer:

246 physics books

186 biology books

Step-by-step explanation:

1) there are 432 total books

2) there are 60 more physics books than biology books

3) 432 - 60 = 372

4) 372 divided by 2 = 186

5) 432 - 186 = 246

Check:

246 + 186 = 432

246 - 186 = 60

hope this helped :)

6 0
3 years ago
!!HELP ASAP!! What is the surface area of the rectangular pyramid below?
creativ13 [48]

Answer:

D. 507 square units

Step-by-step explanation:

surface area of the rectangular pyramid

= area \: of \: base  + 4 \times area \: of \: one \:  \triangle \\  \\  =  {13}^{2}  +  4 \times \frac{1}{2}  \times 13 \times 13 \\  \\  = 169 + 2 \times 169 \\  \\  = 169 + 338 \\  \\  = 507 \:  {units}^{2}  \\

8 0
3 years ago
Identify the inequality that represents the following problem
ValentinkaMS [17]

Answer:

3n + 2 \geqslant 8

Step-by-step explanation:

2 more than 3 time mean 3n+2

"is atleast 8" means it can be 8 or more so c. is right answer

5 0
3 years ago
Trey is solving his equation, and the last line of his work is "-2 = 2". What does this mean?
oksian1 [2.3K]

Answer:

it means that his equation is not true.

Step-by-step explanation:

-2=2 is obviously incorrect, so we must assume that the equation isn't true.

3 0
3 years ago
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