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butalik [34]
3 years ago
14

A ladder leans against the side of the house. The angle of elevation of the ladder is 61 degrees when the bottom of the ladder i

s 12ft from the side of the house. Find the length of the ladder.

Mathematics
1 answer:
Setler [38]3 years ago
8 0

Answer:

732

Step-by-step explanation:

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Which expression uses the associative property to make it easier to evaluate? (50points)
Naily [24]

The correct answer is option 4: (8.\frac{1}{4}).\frac{3}{5}

Step-by-step explanation:

Given expression is:

8.(\frac{1}{4}.\frac{3}{5})

The associative property states that for any three terms that are being multiplied, different order of multiplication (i.e. which two terms are multiplied first) will give the same answer.

Let a,b and c be the three terms

then

a.(b.c) = (a.b).c

So applying the associative property on given expression

8.(\frac{1}{4}.\frac{3}{5}) = (8.\frac{1}{4}).\frac{3}{5}

Hence,

The correct answer is option 4: (8.\frac{1}{4}).\frac{3}{5}

Keywords: Associative property, Properties

Learn more about associative property at:

  • brainly.com/question/9729310
  • brainly.com/question/9738996

#learnwithBrainly

5 0
3 years ago
Evaluate 0.53n + 5 when n= 3 and when n= -3
vampirchik [111]

Answer:

6.59 and 3.41

Step-by-step explanation:

To evaluate, substitute n for each of the given values.

So when n= 3:

0.53n + 5 = 1.59 + 5 = 6.59

And when n = -3

0.53 n + 5 = -1.59+5=3.41

Hope this helps

4 0
3 years ago
To make iced tea, 5 tea bags can be added to 1 gallon of water. Find how many bags can be used for 4 gallons of water
Nata [24]

Answer:

20 tea bags

Step-by-step explanation:

if 5 is 1 gallon then you do 5x4=20

4 0
3 years ago
If seven less than a number is 8, find the number
dedylja [7]
X-7=8
Add 7 to both sides so you can isolate the variable
x=15
8 0
2 years ago
Read 2 more answers
Jacob earned $80 babysitting and deposited the money into his savings account. The next week he spent $85 Lon video games. Use i
nexus9112 [7]
After one week, Jacob has earned $80 from babysitting, so his change is an increase of $80.  The next week, he spends $85, so he experiences a decrease of $85.  Over the two weeks, his overall change is $80-$85=-$5, or a decrease of $5.
5 0
2 years ago
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