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Zepler [3.9K]
2 years ago
14

What is 2 1/4 converted into an improper fraction

Mathematics
2 answers:
ruslelena [56]2 years ago
7 0

Answer:

9/4

Step-by-step explanation:

soldier1979 [14.2K]2 years ago
4 0

Answer:

9/4

Step-by-step explanation:

goodluk

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If a right triangle has legs of 12 and 10 inches, what is the length of the hypotenuse
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46.1

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3 years ago
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List the prime numbers between 50 and 60
katrin2010 [14]
51, 53, 55, 57, 59. it's simple.
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Verify identity list steps. Cot(t)(1-cos^2(t))=cos(t)sin(t)
storchak [24]
Remember: We have to work from either the LHS or the RHS.
(Left hand side or the Right hand side)

You should already know this:

\huge{Cot(t) = \frac{1}{tan(t)} = \frac{1}{\frac{sin(t)}{cos(t)}} = 1\div \frac{sin(t)}{cos(t)} = 1\times \frac{cos(t)}{sin(t)}=\boxed{\frac{cos(t)}{sin(t)}}


You should also know this:

sin^2(t) + cos^2(t) = 1\\\\\boxed{sin^2(t)} = 1 - cos^2(t)

So plugging in both of those into our identity, we get:

\frac{cos(t)}{sin(t)}\cdot sin^2(t) = cos(t)\cdot sin(t)

Simplify the denominator on the LHS (Left Hand Side)

We get:

cos(t) \cdot sin(t) = cos(t) \cdot sin(t)

LHS = RHS

Therefore, identity is verified.
4 0
3 years ago
Ron flies his airplane 20 km over the ground. He gains 800 m in altitude over the flight. What is the slope of the line segment
mrs_skeptik [129]

Answer:

this might help.......

Step-by-step explanation:

...

3 0
2 years ago
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces.
Wittaler [7]

<span>First we calculate z using the formula:

z = (x - μ)/σ</span>

Where:

x = our variable, 10

μ = mean, 8

σ = standard dev, 2

Substituting known values:<span>
z = (10 - 8)/2
z = 2/2
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Using the tables of the normal distribution to find the p-value with z = 1

p = 0.8413

Since we want "greater than 10”, we need to subtract the probability from 1 therefore

p* = 1 - 0.8413 = <span>0.1587</span></span>

6 0
3 years ago
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