quiz 2 : percent and percentage
change the decimal 0.82 to a percent


A. 0.8%
B.82%
C.90%
D. None of these choices are correct​

Answer:

k

Step-by-step explanation:

k

Answer:

i think 70 words per minute

Step-by-step explanation:

Answer:

y = 3/5x + 3

Step-by-step explanation:

(y2-y1)/(x2-x1) = slope

pick 2 points (0,3) and (-5,0)

(0-3)/(-5-0) = -3/-5 = 3/5

y = 3/5x + b

3 = 3/5(0) + b, b = 3

equation y = 3/5x + 3

Step-by-step explanation:

In Mathematics, the sieve of Eratosthenes is an ancient algorithm for finding all prime numbers up to any given limit. It does so by iteratively marking as composite (i.e., not prime) the multiples of each prime, starting with the first prime number, 2. The multiples of a given prime are generated as a sequence of numbers starting from that prime, with constant difference between them that is equal to that prime.This is the sieve's key distinction from using trial division to sequentially test each candidate number for divisibility by each prime.

Answer:

The 1st, the 4th, and the 5th ones are the answer :)

Step-by-step explanation:

Answer:

The brand name television's dimensions are 32 inches by 64 inches.

Step-by-step explanation:

Scaling

Jason is considering two similar televisions at a local store. The sizes of the generic television are 3/8 the size of the brand name.

If we knew the size of the brand name television, we would have to multiply its dimensions by 3/8, but instead, we have the dimensions of the generic television, so to find the brand name television, we multiply by 8/3.

12 inches * 8/3 = 32 inches

24 inches* 8/3 = 64 inches

The brand name television's dimensions are 32 inches by 64 inches.

Answer:

The brand name television's dimensions are 32 inches by 64 inches.

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Answer: La probabilidad es 0.24

Step-by-step explanation:

De 240 personas, sabemos que 100 tienen una vista izquierdista.

Entonces la probabilidad de que una persona, seleccionada al azar, tenga una vista política izquierdista es:

Pa = 100/240 = 5/12

Entonces la probabilidad de que una persona elegida al azar NO tena una vista política izquierdista, es:

Pb = 1 - Pa = 1 - 5/12 = 7/12.

Queremos calcular la probabilidad que de 5 personas elegidas al azar, solo una tenga una vista izquierdista.

Entonces vamos a tener Pa una vez, y Pb 4 veces.

Y como sabemos, la probabilidad conjunta es igual al producto de las probabilidades, entonces:

p = Pa*Pb^4 = (5/12)*(7/12)^4

Pero esto va a ser para un solo arreglo (por ejemplo, de las 5 personas electas, la primera tiene una visión izquierdista), entonces tenemos que tener en cuenta las permutaciones, que van a ser las posibles permutaciones de un elemento en un espacio de 5 posibles espacios.

Son 5 permutaciones, y estas son:

La primera tiene visión izquierdista.

La segunda tiene visión izquierdista.

La tercera tiene visión izquierdista.

La cuarta tiene visión izquierdista.

La quinta tiene visión izquierdista.

Que también es igual a la combinatoria de 5 en 1.

[tex]C(5,1) = \frac{5!}{(5 - 1)!*1!} = 5[/tex]

Entonces la probabilidad que buscamos va a ser:

P = 5*p = 5*(5/12)*(7/12)^4 = 0.24

Answer:

200

Step-by-step explanation:

Length = 2w

2w + 2l = 60

substitute l out with 2w

2w + 2(2w) = 60

2w + 4w = 60

w = 10

l = 20

Area = w • l

        = 10 • 20

        = 200

Answer:

Ha, you said "Brainless" instead of *Brainliest*

Lol, here i am, Miss Brainless has arrived!

Step-by-step explanation:

Sry, dude, i just need points...

Answer:

The answer to this equation is 4 7/10, or 4.7.

Step-by-step explanation:

Hopefully this helps you!

Step-by-step explanation:

The factor of the polynomial is (x-2)

We know that dividing a third degree polynomial by a first degree factor will yield a quadratic of the form ax²+bx+c and possibly a remainder r,except that in this case r=0 since x-2 is a factor

We therefore equate

x³-4x²+3x+2=(x-2)(ax²+bx+c)+r

x³-4x²+3x+2=ax³+bx²+cx-2ax²-2bx-2c+r

We group terms on the RHS

x³-4x²+3x+2=ax³+x²(b-2a)+x(c-2b)-2c+r

By equating the terms on both sides,

ax³=x³,a=1

Next,

b-2a=-4

b-2(1)=-4

b-2=-4

b=-4+2

b=-2

Next,

c-2b=3

c-2(-2)=3

c+4=3

c=-1

Now we piece together our quotient quadratic using a=1,b=-2,c=-1 to obtain x²-2x-1

We now find the zeros of x²-2x-1

which are 1+√2 and 1-√2

The values of x are therefore 2,1+√2, and 1-√2

Note that I used this method in lieu of the famous polynomial division approach to teach someone also ;)

Answer:

2, 1 +/- sqrt2

or 2, 2.414, -0.414 (correct to the nearest thousandth).

Step-by-step explanation:

Let x = 2: then

f(2) = 8 - 16 + 6 + 2 = 0

So x = 2 is one  of the zeros.

So one factor of the function is x-2.

If we divide  the function by  (x - 2) we get:

x-2)X^3-4x^2+3x+2(x^2-2x-1

     x^3- 2x^2

            -2x^2+3x

            -2x^2+4x

                       -x+2

                       -x+2

                        .......

So x^2-2x-1= 0

x = [-(-2 +/- sqrt(4 - 4*-1)] / 2

x = (2 +/- sqrt8) / 2

= 1 +/-sqrt8/2

= 1 +/- sqrt2

Answer:

-1/6, 2/-7, 30/11, 13/-19 and -15/23 are negative rationals

Answer:

We have the system of equations:

y = -2*x

y = 2*x + 4.

To solve it by graphing, you need to graph both lines and see in which point the lines intersect each other.

You can see it in the image below. (blue is y = 2*x + 4, and green is y = -2*x)

We also can calculate the solution with math, let's do that:

y = -2*x

y = 2*x + 4.

We can replace the first equation in the second one, to get:

-2*x = 2*x + 4

Now let's solve this for x

-2*x -2*x = 4

-4*x = 4

x = 4/-4 = -1

Evaluating this in one of the equations we get:

y = -2*-1 = 2

Then the solution is the point (-1, 2), exactly what we can see in the graph.

Answer:

p = -5

Step-by-step explanation:

-1/2* 6 = -3p

-1/2*16 = -8

-3p-8 = 7

7+8 = 15

-3p=15

15/-3 = -5

Step-by-step explanation:

p

2

+6p−16

=p

2

+8p−2p−16

=p(p+8)−2(p+8)

=(p+8)(p−2)

Answer:

4/33

Step-by-step explanation:

Multiply 3x4 across which equals 12

Multiply 11x9 across which equals 99

Simplify to equal 4/33

Hope this helps!! :)

Answer:

Exact Form:

433

Decimal Form:

0.¯¯12¯¯

Step-by-step explanation:

Answer:

40% of 60 ------> $24 discount. So price with 40% discount is $36

20% of 36 ----->  $7.20 discount. So price with 20% discount is $28.80

Sandy paid $28.80 without tax

Answer:

2nd option; [tex]c=9-a+b[/tex]

Step-by-step explanation:

Hope this helps

Answer: It is 10

Step-by-step explanation:

Answer: it should be 25!!

Step-by-step explanation:

Answer:

x z y

Step-by-step explanation:

i took the assignment

Answer:

X , Z , Y

Step-by-step explanation:

Answer:

B) [tex]\frac{-5}{4}[/tex]

Step-by-step explanation:

Take any two points

(x₁ , y₁) = ( -4 , 0)  & (x₂ , y₂) = (0 , -5)

[tex]slope=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

        [tex]=\frac{-5-0}{0-[-4]}\\\\=\frac{-5}{0+4}\\\\=\frac{-5}{4}[/tex]

Answer:

6-pint container of window clearer for $3.84 is a better buy

Step-by-step explanation:

141-fuid-ounce container of window clearer for  $7.05

7.05 : 141 = 0.05

check your work: 0.05 x 141 = 7.05

so for the first offer you will be paying $0.05 per ounce of window clearer.

6-pint container of window clearer for $3.84

1 pint = 16 ounces

6 pints = 96 ounces

3.84 : 96 = 0.04

check your work: 0.04 x 96 = 3.84

for the second offer you will be paying $0.04 per ounce of window clearer. 6-pint container of window clearer for $3.84 is a better buy because you will be paying less for each ounce of window clearer.

Answer:

the 6-pint container would be cheaper...hope this helps :)

Step-by-step explanation:

Answer:

The numbers are 8 and 5

Step-by-step explanation:

The square of 8 is 64 and the square of 5 is 25. 25 plus 64 equals 89.

Answer:

the formula is base x height / 2

Step-by-step explanation:

try and use this formula to help you:)