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4 years ago

Find the opposite of 81

Mathematics

2 answers:

marin [14]4 years ago

6 0

The answer is -81 because if the number is positive then the opposite is negative

RSB [31]4 years ago

4 0

It is -81 the opposite of 81

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What is the area of this polygon? 28.5 units² 34.5 units² 37.5 units² 40.5 units² 6 sided polygon on a coordinate plane with ver

LUCKY_DIMON [66]

Answer:

Option B.

Step-by-step explanation:

The given vertices of the polygon are (-6,-2),(-5,1),(-1,4),(1,1),(5,3),(1,-2).

We need to find the area of the polygon.

Plot the given vertices and on a coordinate plane and draw the polygon. Divide the polygon in 4 parts as shown below.

Area of rectangle is

$A=length\times width$

Area of triangle is

$A=\dfrac{1}{2}\times base\times height$

Area of each figure is

$A_1=\dfrac{1}{2}\times 1\times 3=1.5$

$A_2=\dfrac{1}{2}\times 6\times 3=9$

$A_3=\dfrac{1}{2}\times 4\times 3=6$

$A_4=6\times 3=18$

Area of polygon is

$A=A_1+A_2+A_3+A_4$

$A=1.5+9+6+18=34.5$

The area of polygon is 34.5 units².

Therefore, the correct option is B.

3 0

4 years ago

If you wanted to show a relationship between meters and centimeters what would differ in your table

Alex

Answer:

show 1 centimeter is = to .01 Meter

Step-by-step explanation:

so use decimals in the table

8 0

3 years ago

Solve the proportion for x

Feliz [49]

<h3>Solution:</h3>

$\frac{16}{x} = \frac{192}{156} \\ = > \frac{x}{16} = \frac{156}{192} \\ = > x = \frac{156}{192} \times 16 \\ = > x = \frac{156}{12} \\ = > x = 13$

<h3>Answer:</h3>

x = 13

6 0

3 years ago

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Define bookkeeping. briefly describe its objectives <br>define bookkeeping and briefly describe

Nimfa-mama [501]

Answer:

Bookkeeping is the activities concerned with the systematic recording and classification of financial data of an organization in an orderly manner. ... It also involves preparing source documents for the financial transactions and other business operations being carried out.

3 0

3 years ago

PLEASEE HELPppp. Will give brainliest :)))))) Enter the coordinates of the vertices of (r(180°, O) ∘ T⟨3, –2⟩)(QRST).

nignag [31]

Answer:

(x, y) → (-x, -y)

Q"(4, 1) → Q'(-4, -1)

R"(6, -5) → R'(-6, 5)

S"(3, -4) → S'(-3, 4)

T"(1, -1) → T'(-1, 1)

Step-by-step explanation:

this might be right, sorry if im wrong

8 0

3 years ago

Read 2 more answers