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3 years ago

Which comparison is TRUE?

Mathematics

2 answers:

choli [55]3 years ago

7 0

Answer:

Step-by-step explanation:

maria [59]3 years ago

6 0

Answer:

Step-by-step explanation:

A. 8 > 1

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Use 3.14 for the value of , and round your answers to two decimal places, where applicable. If the diameter of a circle is 15 m,

sergejj [24]

if the diameter of a circle is 15, its radius is half that or 7.5.

$\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=7.5 \end{cases} A=\pi (7.5)^2\implies A=56.25\pi \implies \stackrel{\pi =3.14}{A=176.625}$

7 0

3 years ago

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

Pls help ahahahhahaha

Vladimir [108]

Step-by-step explanation:

x=30° { ins angle inscribed angle Standing on arc are equal }

hope it helps

<h2>stay safe healthy and happy...</h2>

8 0

3 years ago

The price for a gallon of whole milk has increased from 2006 to 2008. from 2006 to 2007, the cost of whole milk increased by app

valkas [14]

You have the starting price of $1.99. To get the increased price, divide 1.99 by .56 (.56 is the decimal form of 56%). You would get $3.55. This is for the year 2007. So for 2008, divide 3.55 by .42. The answer is $8.45. You can check the answers by multiplying the answers you go the the percentage. Ex. 8.45* .42=3.55 (rounded)

3 0

3 years ago

5 square flower beds each of side 2 metres are are dug on a a piece of land that is 10 metre long 8 metre wide. what is area of

jarptica [38.1K]

Answer:

Step-by-step explanation:

Piece of land:

Length = l = 10 m & width = w = 8 m

Area of land = l*w

= 10 * 8

= 80 square meter.

Flower bed:

Side = 2 m

Area of one square flower bed = side * side = 2 *2 = 4 square meter

Area of 5 flower bed = 5 *4 = 20 sq.m

Area of the remaining land = Area of piece of land - area of 5 flower bed

= 80 - 20

= 60 sq. m

6 0

3 years ago