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Tamiku [17]
3 years ago
5

1 of 3

Mathematics
1 answer:
lara31 [8.8K]3 years ago
3 0

Answer:

a

n

=

2

2

n

−

1

Step-by-step explanation:

hope this helps

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Two consecutive integers are such that 7 times the biggest and then added to the smallest equals
Arturiano [62]

Answer:

61,62

Step-by-step explanation:

Let the smallest  number be x

Hence, the biggest number = x+1 [as it consecutive]

Hence,

7(x+1)+x=495

7x+7+x+495

8x=495-7

8x=488

x=61

Hence, smaller number=61, bigger number=62

7 0
3 years ago
Chris wants to paint the ceiling of his restaurant. The ceiling is in the shape of a square. Its side lengths are 55 feet. Suppo
d1i1m1o1n [39]

Answer:

11 cans

Step-by-step explanation:

Since you know that the ceiling is in the shape of a square and each side is 55ft, you can multiply 55x55 to get 3075, which is divided by 275 due to the amount of paint in a can. It would result in 11 cans, but if it were a decimal like 11.3, then you would need 12 cans since you can't split a can.

6 0
3 years ago
Read 2 more answers
Trig help please, 2 questions, 10 pts
Scrat [10]
1. 2700 degrees. 450 rotations in on minute is 450(360) degrees per minute. If you divide this by 60 you get 2700. 
2. 180 degrees. 4.3 rotations per minute is 4.3 times 360 degrees per minute. Multiply that times 5, and divide the answer by 360 and you get 21.5, which means he is 180 degrees from his starting point. 
4 0
3 years ago
X/-5=-20<br><br> A -100 or 100<br> B -4 or 4<br> C 100<br> D no solution
alexgriva [62]

Move the negative sign to the left

-x/5 = -20

Multiply both sides by 5

-x = -20 × 5

Simplify 20 × 5 to 100

-x = -100

Multiply both sides by -1

<em>x = 100</em>

<u>C. 100</u>

4 0
3 years ago
Read 2 more answers
On Thursday, Emily cycled 88 kilometers in 4 hours. On Friday, she cycled at an average of 3 kph faster. What was her average ra
Lunna [17]
On Thursday she cycled 88 km per hr...for 4 hrs
88/4 = 22 km per hr

On Friday, she cycled 3 km per hr faster
22 + 3 = 25 km per hr <==
7 0
3 years ago
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