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Hunter-Best [27]
3 years ago
9

What is the area of a triangle whose vertices are P(−1, 4), Q(3, 2), and R(3, −4)?

Mathematics
1 answer:
sp2606 [1]3 years ago
7 0
What kind of triangle is it?
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I need the answer I need help with this question
madreJ [45]
You can print a copy of the graph, stick a pin in the origin, and rotate it 180° to see where the figure ends up.

The origin is the midpoint between each vertex and its image.
Negate every coordinate value, for example, J(-5, -3) gets rotated to J'(5, 3).

3 0
3 years ago
Find the product. If the result is negative, enter "-". If the result is positive, enter "+". -7(- a2 ) 2 ( -b3 ).
m_a_m_a [10]

Answer:

The product is positive, thus it is \bold{+7a^4b^3}

Step-by-step explanation:

The full question in proper notation is:

"Find the product. If the result is negative, enter "-". If the result is positive, enter "+".

-7(-a^2)^2(-b^3)"

We have to work with it using Order of operations know as well as PEMDAS, thus expression inside parenthesis go first and exponents.

On this expression we have to work with exponents

(-a^2)^2 = (-a^2)(-a^2) =a^4

Thus we get

-7(-a^2)^2(-b^3)=-7a^4(-b^3)

Lastly we can work with multiplication and remembering that the multiplication of two negative signs becomes positive.

-7(-a^2)^2(-b^3)=7a^4b^3

So the final simplified expression is \bold{7a^4b^3}

5 0
3 years ago
Read 2 more answers
A company is designing a new cylindrical water bottle. The volume of the bottle will be 149 cmcubed. The height of the water bot
Arlecino [84]

Answer:

2.33

Step-by-step explanation:

If you put the numbers into the radius formula you should end up with this number hope this helps:)

7 0
3 years ago
The mass of a pencil is 5.44 g. The mass of a crayon is 2.145 g.
Salsk061 [2.6K]

Answer:

3.295g

Step-by-step explanation:

5.44g-2.145g=3.295g

4 0
2 years ago
Read 2 more answers
Someone please help me
hichkok12 [17]

Answer:

364.8 ft^2.

Step-by-step explanation:

I  assume you want the area of the figure.

Total area = area of the top triangle + area of the trapezium

= 1/2 * base * height + 1/2 * height * ( sum of the parallel sides)

= 1/2 * 18 * 6 + (14/2)( 18 + 26.4)

=  54 + 310.8

= 364.8 ft^2.

3 0
2 years ago
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