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3 years ago

What chacharacteristic help you tell the difference between a rhombus and a rectangle? Explain.

Mathematics

2 answers:

Lerok [7]3 years ago

8 0

A rhombus has all equal sides

jeka57 [31]3 years ago

3 0

Rhombus -> 2 equivalent obtuse angles, 2 equivalent acute angles

vs.

Rectangle -> 4 equivalent right angles.

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Given: the function defined by f(x)=3x^2-4 Which statement is true? 1. f(0) = 0 2. f(-2) = f(2) 3. f(5)+ f(2) = f(7) 4. f(5) x f

sergeinik [125]

$f(x)=3x^2-4 \\ \Downarrow \\ f(0)=3 \times 0^2-4=0-4=-4 \\ -4 \not= 0 \\ f(0) \not= 0 \\
\hbox{statement 1 is false} \\ \\
f(-2)=3 \times (-2)^2-4 =3 \times 4-4=12-4=8 \\
f(2)=3 \times 2^2-4=3 \times 4-4=12-4=8 \\ 8=8
\\ f(-2)=f(2) \\
\hbox{statement 2 is true}$

$f(5)=3 \times 5^2-4=3 \times 25-4=75-4=71 \\ f(2)=8 \\
f(7)=3 \times 7^2-4=3 \times 49-4=147-4=143 \\
71+8 \not= 143 \\
f(5)+f(2) \not= f(7) \\ \hbox{statement 3 is false} \\ \\
f(5)=71 \\ f(2)=8 \\ f(10)=3 \times 10^2-4=3 \times 100-4=300-4=296 \\
71 \times 8 \not= 296 \\
f(5) \times f(2) \not= f(10) \\
\hbox{statement 4 is false}$

Stamement 2. f(-2)=f(2) is true.

3 0

3 years ago

What is the equation of this graph? Will give brainliest!

Scilla [17]

...........................

6 0

3 years ago

Read 2 more answers

Clay layer cuzen boi 93

lukranit [14]

I’m not sure how to answer this lol

3 0

3 years ago

Factor 48 24(2m-1) 3(2m-1)^2

nataly862011 [7]

4824(2m-1)x3(2m-1)²
= 9648m-4824x12m-3
=115776m-4827

6 0

3 years ago

The population of Greater Accra increased by 20% and became 900,7000. The original population of the city was:

allochka39001 [22]

Answer:

the original population of the city is 7,505,833

Step-by-step explanation:

Given;

new of the population of the city, Y = 9,007,000

the percentage increase of the city, = 20% = 0.2

Let the original population of the city = X

New population, Y = X + 0.2X

Y = X(1 + 0.2)

Y = X(1.2)

Y = 1.2X

X = Y/1.2

X = (9,007,000) / 1.2

X = 7,505,833

Therefore the original population of the city is 7,505,833

3 0

3 years ago