MATHEMATICS HIGH SCHOOL

The products of 0.42 with 0.2 can be written in fraction?Yes or no and whats the right fraction i keep get it wrong​

Answers

Answer 1
Answer: I believe it is yes. I think the right fraction is 84/1000. Let me know if this works and if not tell me
Answer 2
Answer:

Answer:

yes ... 42/100 × 2/10= 21/250

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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.

If 3 waves happen in 6 seconds how many happen in 1 second? How do I solve this and what's the answer?

Answers

you would do 3 divided by 6 and that would give you th answer and the answer is 0.5 so that would mean half a wave happens every second

F(x)=5x+1 Find f(-4)
Any idea how to solve this question?

Answers

I have an idea also.

so f(x) means the function of x
a function is when you put a value into the function (think of it like a machine) it processes the value and spits a value out so
f(-4) means put -4 into the funciton so put -4 for x in the funciton so
f(-4)=5(-4)+4
f(-4)=-20+1
f(-4)=-19
Yes, I have an idea.

Take the (-4) and put it into the F(x) in place of the 'x'.

Try it and let us know if it works.

Find the value of x.X =
Tell whether the side lengths form a Pythagorean triple.
o yes
no

Answers

Answer:

x = √72 and yes, it forms a Pythagorean triple

Step-by-step explanation:

a^2 + b^2 = c^2,

3 is a, x is b, anf 9 is c

3^2 + x^2 = 9^2

9 + x^2 = 81

Subtract 9 from both sides

x^2 = 72

x = √72

a Pythagorean triple is a^2 + b^2 = c^2, and this has it

Answer:

X = 9.4

Step-by-step explanation:

Pythagorean Theorem:

Formula: a² + b² = c²

  • 9 x 9 = 81  
  • 3 x 3 = 9
  • 81 + 9 = 90
  • √90 = 9.48 (Rounded 9.5)

- A Pythagorean triple consists of any three positive integers.

Answer this for 15 points and Brainliest

Answers

Answer:

y=3x+18

Step-by-step explanation:

Since slope-intercept form is y=mx+b, we first need to find the slope.

m=y2-y1/x2-x1

m=0-(-9)/-6-(-9)

m=9/3=3

Next we need to find b, or the y-intercept

to do that we plug in numbers to what we already have.

y=3x+b

0=-18+b

b=18

Now we put it all together.

y=3x+18

HELPPPPPPP!!!!!!!???????

Answers

the answer in the picture is letter C
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