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dmitriy555 [2]
3 years ago
6

Please Answer This, the question is on the picture. it needs to be a fraction

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

cos ∅ = 15/17

Step-by-step explanation:

hypotenuse² = 15² +8² = 225 + 64 = 289

hypotenuse = √289 = 17

cos ∅ = 15/17 =

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a certain forest covers an area of 4800km squared. if each year the area decreased by 6.75%what will be the area after 11 years
Sunny_sXe [5.5K]

<u>Answer-</u>

The area after 11 years will be 2225.28 km²

<u>Solution-</u>

This can be represented as exponential decreasing function,

y=a(1 - r)^t

Where,

  • a = starting amount
  • r = rate
  • t = years

Putting the values,

y=4800(1-0.0675)^{11}

\ =4800(0.9325)^{11}

\ =4800\times 0.4636

\ =2225.28

Therefore, at this rate the area of the forest after 11 years will be 2225.28 km².

5 0
4 years ago
Bob spends 30 hours in 4 weeks of gardening. How many hours does he garden in 5 weeks
Mademuasel [1]

Answer:

37.5 hrs

Step-by-step explanation:

You do cross multiplication hours on top and weeks on the bottom.

4 0
3 years ago
Clairissa is considering two job offers. One has an annual sallary of $61.1K
posledela

Answer:

$40

Step-by-step explanation:

A year has 52.1 weeks.

$61.1K will give a weekly salary of $1.17K

$63.4K will give a weekly salary of $1.21K

Difference is 1.21 - 1.17 = 0.04K = 0.04 x 1000 = $40

6 0
3 years ago
Question 1: A store pays $50 for a pair of shoes. The markup is 25%.
ehidna [41]

Answer:

1) selling price is $62.50 and 2) total cost would be $66.25

Step-by-step explanation:

5 0
3 years ago
SUPER PLEASE HELP NO ONE HAS HELPED ME WITH EITHER OF MY QUESTITIONS. IT WOULD BE GREATLY APPRECIATED IF SOMEONE DID.
Effectus [21]

Answer:

952.61

Step-by-step explanation:

877.98 X 0.085= 74.6283

877.98+74.6283=952.6083

952.6083 rouned= 952.61

this should be correct

4 0
3 years ago
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