4 is what percent of 20

Answers

Answer 1

Answer: 20%
Finding percentage u have to
Divide 4/20= 0.2 then multiply by 100 to get percentage which is 20%

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A quadrilateral has no pairs of parallel sides. What two shapes could it be? (Not trapezoid/trapezium,concave quadrilateral convex quadrilateral,kite,rhombus)

Answers

Answer:

concave quadrilateral
kite

Step-by-step explanation:

The attached figure shows several kinds of quadrilaterals. The sum of angles of a quadrilateral is 360°. A pair of sides will be parallel if the sum of consecutive angles between them is 180°.

Choices

Trapezium/Trapezoid

By definition, a trapezium/trapezoid has exactly one pair of parallel sides.

Concave quadrilateral

This is a quadrilateral with a reflex angle (one that measures more than 180°). Such an angle demands that no consecutive pair of internal angles have a total of 180°. Hence no two sides can be parallel.

Convex quadrilateral

If a simple quadrilateral is not concave, it is convex. Since the sum of angles is 360°, there exists the possibility for at least one adjacent pair of angles to total 180°. That would make at least one pair of sides be parallel.

In the attached figure, all of the quadrilaterals shown, except the "dart" at upper left, are convex quadrilaterals. Most of them, except the "kite" at lower left, have at least one pair of parallel sides.

There is no assurance that a convex quadrilateral will have no parallel sides.

Kite

A kite has two pairs of congruent adjacent sides. It cannot have any parallel sides.

Rhombus

A rhombus has all four sides of equal length. It is a parallelogram with two pairs of parallel sides.

No Parallel Sides

The two figures on the list that have no pairs of parallel sides are ...

concave quadrilateral
kite

These are shown in the left column of the attached figure.

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3
f(x) = (x + 3)2 − 6
f(x) = (x + 6)2 + 3
f(x) = (x + 6)2 − 6

Answers

complete the square
move the 3 aside and work in parenthasees
f(x)=(x^2+6x)+3
take 1/2 of 6 and square it (6/2=3, 3^2=9)
add 9 and -9 inside
f(x)=(x^2+6x+9-9)+3
factor perfect square
f(x)=((x+3)^2-9)+3
get rid of parenthases
f(x)=(x+3)^2-9+3
f(x)=(x+3)^2-6

2nd choice

Answer:

f(x) = (x+3)2+3

Step-by-step explanation:

Factoring trinomials word problems.

Answers

So see if u can factor out the trinomial.
it's factorable.
(x+3)(×-2)

so divide that factors by (×-2)

(×-2)(×+3)
---------
(×-2)

the (×-2) cancel out, leaving x+3

Marie spends 14 dollars on lottery tickets every week and spends $128 per month on food. On an annual basis, the money spent on lottery tickets is what % of the money spent to buy foid

Answers

The money spend on lottery tickets is 40%

a certain car can travel 350 miles on a tank of gas which is 18 gallons of gas the vacation they have planned with cover 1785 miles how many gallons of gas will that take

Answers

x=91.8 I think is the answer to your question.

Any help is appreciated!

Answers

Answer:

pretty sure is the first one

Step-by-step explanation:

-1/2x +3 =3x -4

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