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RideAnS [48]
3 years ago
8

Help with question pls I don't understand​

Mathematics
2 answers:
Mazyrski [523]3 years ago
6 0

Answer:

15x^3y+6x^2y^2+9xy^3

Step-by-step explanation:

3xy ( 5x^2 +2xy +3y^2)

Distribute the 3xy to all terms in the parentheses

3xy*5x^2+3xy*2xy+3xy*3y^2

15x^3y+6x^2y^2+9xy^3

Verdich [7]3 years ago
5 0

Answer:

15x^{3}y + 6x^{2}y^{2} + 9xy^{3}

Step-by-step explanation:

multiple everything in the brackets by 3xy

3xy x 5x^{2} = 15x^{3}y

3xy x 2xy = 6x^{2}y^{2}

3xy x 3y^{2} = 9xy^{3}

15x^{3}y + 6x^{2}y^{2} + 9xy^{3}

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Answer:

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Step-by-step explanation:

8 0
4 years ago
because the angles in a rectangle are 90 degrees it is not a parallelogram true or false? please explain why
ra1l [238]
<span>A parallelogram is a 4-sided shape where opposites sides are parallel. A rectangle is a special case of a parallelogram. All rectangles are parallelograms.

But a rectangle is a shape where opposites sides are parallel *and* all the corners are 90 degree angles. So you can't say that all parallelograms would be rectangles. Some parallelograms would be rectangles, but not all.

Rectangles are a subset of the shapes called parallelograms. But parallelograms are *not* a subset of the shapes called rectangles.

It's similar to saying all cars are vehicles. But you can't say that all vehicles are cars. </span>
6 0
4 years ago
In the accompanying diagram of ABC ca is extended to D, m∠ABC = 70 and m∠BCA =50 Find m∠DAB
zvonat [6]

Answer:

<em>120 degrees</em>

Step-by-step explanation:

Find the diagram attached.

From the diagram;

Interior angles are m∠BCA and m∠ABC

Exterior angle is m∠DAB

The sum of interior angle of the triangle is equal to exterior

m∠BCA +m∠ABC =m∠DAB

Given

m∠ABC = 70

m∠BCA =50

m∠DAB = 70 + 50

m∠DAB = 120 degrees

<em>Hence the measure of m∠DAB is 120 degrees</em>

6 0
3 years ago
How would you convert a measurement given in fluid onuces into pints
Alexus [3.1K]
Multiply the quantity in ounces (including the unit) by the fraction

(1 pint) / (16 fl oz) .
4 0
4 years ago
How do you solve 5x +x
34kurt
If you are just simplifying it it would be 6x because it's 5x plus one more x but if you are trying to find x then I have no idea
4 0
3 years ago
Read 2 more answers
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