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Whitepunk [10]
3 years ago
8

Abc is a right angled triangle work out the size of the angle marked x five your answer correct to 1 decimal place

Mathematics
2 answers:
zlopas [31]3 years ago
6 0
Its 5.0000007 because its always 5.00000007 when it is marked
inysia [295]3 years ago
6 0
So to find the unknown angle, you would basically take your known variables and use this formula SohCahToa.
That formula is the primary trigonometric formula for right angled triangles.
#1. Verify first that it is a right angled triangle before you use the formula, and it is because there is the right angled sign!
#2. Choose the appropriate formula. (I choose Toa because we are given the adjacent and the hypotenuse).
#3. Plug in the known variables, then take the opposite inverse.
Tanx=1.9/3.2
Tanx=0.59
X=Tan Inverse
X=30.6
You said round to one place so that's it, unless you want to say x is 31 degrees.
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If a dozen eggs cost $1.35,what is the unit cost?
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Answer:

The cost of an egg is $0.11

Step-by-step explanation:

Given : The cost of one dozen of eggs is $ 1.35

We have to find the cost of one egg.

We know, one dozen has 12 units

Thus, One dozen of eggs contain 12 eggs

So cost of 12 eggs is $ 1.35

So to find the cost of one egg divide the cost by 12.

We get,

1 egg = \frac{1.35}{12}=0.1125

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8 0
3 years ago
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lukranit [14]

Answer:

A is the correct equation

Step-by-step explanation:


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3 years ago
If you take out a $5,000.00 loan with 10% interest how much do you pay
Paul [167]

Answer:

Step-by-step explanation:

I=PRT/100

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8 0
3 years ago
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on th
balu736 [363]

Answer:

72.7 is the weighted average score

Step-by-step explanation:

The weighted average score

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3 0
3 years ago
Differentiate 3x^2-5x​
weqwewe [10]

Answer:

6x - 5

Step-by-step explanation:

Let  \: y = 3 {x}^{2}  - 5x \\  \\  \frac{dy}{dx}  =  \frac{d}{dx} (3 {x}^{2}  - 5x) \\  \\  = 3 \frac{d}{dx}  {x}^{2}  - 5 \frac{d}{dx} x \\  \\  = 3(2x) - 5(1) \\  \\   \boxed{\boxed{\huge \purple{\frac{dy}{dx}} \pink{  = } \orange{6x - 5}}}

3 0
3 years ago
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