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Charra [1.4K]
3 years ago
13

Please help I’ll mark brainliest, it looks like it’s not the whole thing but it is.

Mathematics
2 answers:
rjkz [21]3 years ago
6 0
What is the question asking
Dovator [93]3 years ago
3 0

Answer: I really don't know how to do this sorry

Step-by-step explanation:

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A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. how high up the wall does the ladder reach? ro
Alecsey [184]

Answer

Find out the how high up the wall does the ladder reach .

To proof

let us assume that the height of the wall be x .

As given

A 25-foot long ladder is propped against a wall at an angle of 18° .

as shown in the diagram given below

By using the trignometric identity

cos\theta = \frac{Base}{Hypotenuse}

now

\theta = 18^{\circ}

Base = wall height = x

Hypotenuse = 25 foot

Put in the trignometric identity

cos18^{\circ} = \frac{x}{25}

cos18^{\circ} = \bar{0.9510565162}

x = 23.8 foot ( approx)

Therefore the height of the  ladder be 23.8 foot ( approx) .

8 0
3 years ago
Read 2 more answers
What is 175-(64-32)+(8÷3)÷200​
andreev551 [17]

Answer:

10726 /75

Step-by-step explanation:

175−(64−32)+8/3/200

=175−32+8/3/200

=143+8/3/200

=143+1/75

=10726 /75

4 0
3 years ago
Turn this into numerical form -> one-half the sum of x and 12 Thank you!
ycow [4]

Answer: 1/2(x+12)

Step-by-step explanation: Sum is adding.

3 0
3 years ago
What is the solution to the system of equations?<br><br> y=1<br> y=-5x+3
In-s [12.5K]

Answer:

y=1

x=2/5

Step-by-step explanation:

1=-5x+3

-2=-5x

x=2/5

7 0
2 years ago
Read 2 more answers
A patient is instructed to take three 50-mcg tablets of pergolide mesylate (Permax) daily. How many milligrams of the drug would
Black_prince [1.1K]

Answer:

The patient would receive 1.05mg of the drug weekly.

Step-by-step explanation:

First step: How many mcg of the drug would the patient receive daily?

The problem states that he takes three doses of 50-mcg a day. So

1 dose - 50mcg

3 doses - x mcg

x = 50*3

x = 150 mcg.

He takes 150mcg of the drug a day.

Second step: How many mcg of the drug would the patient receive weekly?

A week has 7 days. He takes 150mcg of the drug a day. So:

1 day - 150mcg

7 days - x mcg

x = 150*7

x = 1050mcg

He takes 1050mcg of the drug a week.

Final step: Conversion of 1050 mcg to mg

Each mg has 1000 mcg. How many mg are there in 1050 mcg? So

1mg - 1000 mcg

xmg - 1050mcg

1000x = 1050

x = \frac{1050}{1000}

x = 1.05mg

The patient would receive 1.05mg of the drug weekly.

6 0
3 years ago
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