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4 years ago

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Mathematics

2 answers:

Eddi Din [679]4 years ago

6 0

Simply apply the formula :
Area of a triangle = 1/2 x base x height

A = 1/2 x 18 x 11=
A = 99 cm^2

igomit [66]4 years ago

4 0

Answer:

99cm^2

Step-by-step explanation:

Look at pic

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Is there a trick to find?

tigry1 [53]

Answer:

I don't believe so

Step-by-step explanation:

generally for fractions, you can start by simplifying

to simplify divide the numerator and denominator by a common factor

in this case, there is no common factor, so this either your answer or you can divide 729 by 4096 to get a decimal number (0.118)

4 0

3 years ago

Read 2 more answers

PLEASE UELP IF YOU CAN DO THESE TWO. YOU WILL RECOVE BRAINLIST

sergeinik [125]

Answer:

See the answers below.

Step-by-step explanation:

An exponential model is the best representation of the given model.

$f(t) = 500(0.5)^{\frac{t}{10}}$ (where t is given in minutes)

$f(120) = 500(0.5)^{\frac{120}{10}}\\\\=0.12\:g$

Best Regards!

7 0

3 years ago

Find the product.<br> (4x - 3y) (2x + y)

antoniya [11.8K]

Answer:

8x^2 - 2xy + 3y^2

Step-by-step explanation:

Use the FOIL method

8x^2 + 4xy - 6xy + 3y^2

8x^2 - 2xy + 3y^2

7 0

4 years ago

How do I find the area?

MArishka [77]

Area: (base x height) divided by 2. (Or multiplied by 1/2.)
So the base of the triangle should be multiplied by the height of it. And divide the answer by two. :)

7 0

3 years ago

State whether the given measurements determine zero, one, or two triangles. C = 31°, a = 13, c = 11

mina [271]

9514 1404 393

Answer:

Step-by-step explanation:

The given angle is opposite the shorter of the given sides, so there are two possible triangles.

<em>Additional comment</em>

The law of sines tells you that sin(A) = a/c·sin(C). There will be 0 triangles if that is greater than 1. There will be 1 triangle if that is exactly 1 (unlikely with rational values of sides and angles). There will be 2 triangles if sin(A) < 1, as it is here.

7 0

3 years ago