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3 years ago

If one angle of a set of supplementary angles measures 77°, then the other angle measures _____.

Mathematics

1 answer:

juin [17]3 years ago

3 0

Answer:

Step-by-step explanation:

Supplementary angles sum to 180°

If one angle is 77°, then the other angle is

180° - 77° = 103° → B

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Last questions, plz help

Goryan [66]

Answer:

9. $a_n=7+6n$

10. $a_n=a_{n-1}+7$

Step-by-step explanation:

9. Given the sequence

$13, 19, 25, ...$

In this sequence,

$a_1=13\\ \\a_2=19\\ \\a_3=25\\ \\...$

Note that

$a_2-a_1=19-13=6\\ \\a_3-a_2=25-19=6,$

then the common difference in this sequence is $d=6$

You have

$a_1=13\\ \\d=6,$

then the explicit formula is

$a_n=a_1+(n-1)d\\ \\a_n=13+(n-1)\cdot 6\\ \\a_n=13+6n-6\\ \\a_n=7+6n$

10. Given the sequence

$-10,-3, 4, 11, ...$

In this sequence,

$a_1=-10\\ \\a_2=-3\\ \\a_3=4\\ \\a_4=11\\ \\...$

Note that

$a_2-a_1=-10-(-3)=-10+3=-7\\ \\a_3-a_2=-3-4=-7\\ \\a_4-a_3=11-4=7,$

then the common difference in this sequence is $d=7$

You have

$a_1=-10\\ \\d=7,$

then the recursive formula is

$a_n=a_{n-1}+d\\ \\a_n=a_{n-1}+7$

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3 years ago

Anyone know these questions? I need help,please.

dexar [7]

1) there were 32 bales added

2) 8 hours

3) 74 cards

4) 11 packs

5) $57

6) ummm...$3?

7) began with 12

8) $5 per candy bar

9) 44 students on each bus

10) $77 spent on baseball gear

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PLEASE HELP

pickupchik [31]

I believe it is B. y = 2x + 2

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3 years ago

What is an equivalent expression for 3/4 (6+2x)

Alex73 [517]

Answer:

9/2 +3/2x

Step-by-step explanation:

3/4 (6+2x)

Distribute

3/4*6 + 3/4*2x

18/4 +6/4x

9/2 +3/2x

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3 years ago

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How many grams in a kilo gram

HACTEHA [7]

There are 1,000 grams in a kilogram

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3 years ago