3 years ago

HELP!!!

Mathematics

1 answer:

Bond [772]3 years ago

8 0

Distributive property

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Arithmetic sequence a1=8 d=9

Ugo [173]

Answer:

$\ \ \ \ \ \ a_n=8+9(n-1)\\\implies a_n=8+9n-9\\\implies a_n=9n-1$

Step-by-step explanation:

arithmetic sequence equation:

$a_n=a+(n-1)d$

where a is the first term and d is the common difference

Therefore,

$\ \ \ \ \ \ a_n=8+9(n-1)\\\implies a_n=8+9n-9\\\implies a_n=9n-1$

5 0

2 years ago

How tall is the tower? 48° 16 ft -30 ft [?] ft Round to the nearest tenth.

Marina86 [1]

Answer:

49.3 ft

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan48° = $\frac{opposite}{adjacent}$ = $\frac{x}{30}$ ( multiply both sides by 30 )

30 × tan48° = x , then

x ≈ 33.3

Height of tower = 33.3 + 16 = 49.3 ft ( to the nearest tenth )

4 0

2 years ago

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At summer camp, campers were asked to name their favorite sport. The circle graph shows the percent of campers who preferred eac

vladimir1956 [14]

I would say 260

Hope I helped

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3 years ago

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Joley is opening her first checking account as a teenager. She doesn’t have a job, so most of the income will be presents from b

stepladder [879]

Answer: $850.

Step-by-step explanation: just subtract by 8 every month for account A and take away 1% from account b every month.

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3 years ago

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What property is this? (3x+2)+16=3x+(2+16)

Jlenok [28]

Answer:

It is Associative property :))

Step-by-step explanation:

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3 years ago