In a 180-kilogram sample of ore, there was 3.2% metal. How many kilograms of metal were in the sample?

Please see it answer is a+11/13b

Answer:

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Answer:

[tex]\% = 53.8 \%[/tex]

Step-by-step explanation:

Given

[tex]Yes = 483[/tex]

[tex]No = 807[/tex]

[tex]Maybe = 210[/tex]

Required

Determine percentage of "No"

First, we need to determine the total population

[tex]Total= 483 + 807 + 210[/tex]

[tex]Total= 1500[/tex]

Percentage of No is then calculated as follows:

[tex]\% = \frac{No}{Total} * 100\%[/tex]

[tex]\% = \frac{807}{1500} * 100\%[/tex]

[tex]\% = \frac{80700}{1500} \%[/tex]

[tex]\% = 53.8 \%[/tex]

Answer:

10

Step-by-step explanation:

The absolute value function always gives a positive value, that is

| - a | = | a | = a

Given

| 3f - 2g |  + 2 ← substitute f = - 2 and g = 1

= | 3(- 2) - 2(1) | + 2

= | - 6 - 2 | + 2

= | - 8 | + 2

= 8 + 2

= 10

Answer:

20 degree

Step-by-step explanation:

angle sum of triangle

180-112-48

There are two ways , so the first part reference to method 1 and and second part reference to method 2.

[tex] \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \tt In~\triangle ABC: [/tex]

[tex] \\ [/tex]

[tex] \tt \angle A + \angle B + \angle C = 180 {}^{ \circ} [/tex]

{sum of triangle}

[tex] \\ \\ [/tex]

here we can find value of angle C.

[tex] \\ [/tex]

[tex] \dashrightarrow \sf\angle A + \angle B + \angle C = 180 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \sf112 + 48 + \angle C = 180 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \sf160 + \angle C = 180 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \sf\angle C = 180 {}^{ \circ} - 160 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \sf\angle C =20^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

angle c is congruent to angle f

.°. y = 20°

[tex] \\ \\ [/tex]

[tex] \\ \\ [/tex]

angle a = angle d

.°. value of x = 112°

[tex] \\ \\ [/tex]

[tex] \tt \angle E + \angle D + \angle F = 180 {}^{ \circ} [/tex]

[tex] \\ \\ [/tex]

ve can find value of y :-

[tex] \\ [/tex]

[tex] \dashrightarrow \sf x + 48 + y= 180 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \sf112 + 48 +y = 180 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \sf160+y= 180 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \sf y= 180 {}^{ \circ} - 160 {}^{ \circ} \\ [/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow \bf y=20^{ \circ} \\ [/tex]

Answer:

x = 14

....................              

Answer:

1)The dependent is the number of cars produced. The independent is the amount of time

2)I know that the number of cars produced is the dependent because it will change whenever the amount of time changes

3)This relationship is linear because as you get more time, you will get more cars

4)I could create a graph because I could plot down these points and find the slope

5) I would need a couple more points to plot                        

Answer:

n=25

Step-by-step explanation:

Using the relation that describes the measure of the angle formed by two secants being equal to half of the difference of the 2 arcs (large arc-small arc) we can establish the relation;

[tex]10 = \frac{45 - n}{2} [/tex]

[tex]20 = 45 - n[/tex]

[tex] - 45 + 20 = - n[/tex]

[tex] - 25 = - n[/tex]

[tex]n = 25[/tex]

Answer:

i believe its x+5

Step-by-step explanation:

you add 13 to both numbers

Answer:

-13(x+ 8/13

Step-by-step explanation:

here is how

-13x-8 (factor out) - from each term

= -13(x+8/13)

4 balls in each group.

Step-by-step explanation:

you just divide 20 by 5, or add 5 times until you get 20.

Answer:

5 group of 4 balls

Step-by-step explanation:

Red balls : 20

5 Gym baskets

20 - 5      15

15 divided by 5    3

3 divided by 20     0.15

0.15 divided by 5     0.03

0.03 x 15   0.45

0.45 x 55 24.75

24.75 - 4.75    20

20 divided by 5   4

Answer is 4

BRAINLIEST PLS

p=3829.39

ur welcome

Answer:

p = 10

Step-by-step explanation:

10p - 3 = 2(12 + 4p) - 7

First, distribute within the parenthesis

10p - 3 = 24 + 8p - 7

Combine like terms

10p - 3 = 17 + 8p

Subtract 8p from both sides of the equation

2p - 3 = 17

Add 3 to both sides of the equation

2p = 20

Divide both sides by 2 to get your answer:

p = 10

I hope this helps :)

Answer:

y=2x-7

2(2x-7)=4x-14

4x-14=4x-14

therefore,this has no solutions

Answer:

1981.6

Step-by-step explanation: :))

Answer:

Step-by-step explanation:

Move the decimal point one side to the right when multiplied by 10

198.16 X 10 = 1981.6

Answer:

7m² - 11m - 2

Step-by-step explanation:

(4m² - m + 2) - (-3m² + 10m + 4)

4m² + 3m² - m - 10m + 2 - 4

7m² - 11m - 2

Answer:

ok lets just solve each and see if its larger then 35

A) 5.94 × 6=35.64

B) 6.18 × 6=37.08

C) 7.03 × 5=35.15

D) 8.12 × 4=32.48

A,B&C

Hope This Helps!!!

Answer

Everyone except D

A's total is 35.64=Yes

B's total is 37.08=Yes

C's total is 35.15=Yes

D's total is 32.48=no so d is incorrect/

So your answers are A  B  C

Hope it helps have a great day

Explanation:

Consider the point (1,2). If we apply the rule [tex](x,y) \to (-x,y)[/tex], then it would move to (-1,2).

The x coordinate flipped in sign from positive to negative. The y coordinate stays the same.

Another example is (-3,7) reflecting to (3,7).

2X-8

Two times X minus eight

Answer:

1 and 4

Step-by-step explanation:

All you need is 2 numbers that are less than 8

Using a system of equations, it is found that Kayla will pay $54.25 for 5 adult tickets and 4 children tickets.

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

Amy bought 2 adult tickets and 4 children tickets for $35.50, hence:

2x + 4y = 35.50

x + 2y = 17.75

x = 17.75 - 2y

Jane bought 3 adult tickets and 3 children tickets for $36.0, hence:

3x + 3y = 36

x + y = 12

From the first equation:

17.75 - 2y + y = 12

y = 5.75.

x = 17.75 - 2 x 5.75 = 6.25.

Hence the total paid for Kayla is given by:

T = 5 x 6.25 + 4 x 5.75 = $54.25.

More can be learned about a system of equations at https://brainly.com/question/24342899

Answer:

if you got paid seven bucks per lawn, and you mowed nine lawns, you'd have $63 dollars

if you were to mow them for 9 dollars a lawn...

$63 = 9x

63/9 = 7

youd have to mow 7 lawns to get the same amount of money

Step-by-step explanation:

Answer:

15.45

Step-by-step explanation:

103x0.15=15.45

Answer:

Do 103 times 0.15 and you get 15.45

Step-by-step explanation:

Answer:

its c my guy

Step-by-step explanation:

did this same stuff

a while back

Answer:

1358

Step-by-step explanation:

Answer:

1358

Step-by-step explanation:

hope that helps:)

Answer:

V = 8

Step-by-step explanation:

-2 < x/3 + 1 < 5

Subtract 1 from each side:

-2 - 1 < x/3 + 1 - 1 < 5 - 1

-3 < x/3 < 4

Multiply each side by 3:

-3 • 3 < x/3 • 3 < 4 • 3

-9 < x < 12

Answer:

Rotate it counterclockwise then reflect it across the Y-axis

hope this helped :)

Step-by-step explanation:

Answer: Rotate it counterclockwise then reflect it across the Y-axis

Answer:

k = - 2

Step-by-step explanation:

( 2x - y )²

Formula : -

( a - b )² = a² + b² - 2ab

Here,

a = 2x

b = y

( 2x - y )²

= ( 2x )² + y² - 2 ( 2x ) ( y )

= 4x² + y² - 4xy

So,

( 2x - y )² = 4x² + y² - 4xy

( 2x + y )²

Formula : -

( a + b )² = a² + b² + 2ab

Here,

a = 2x

b = y

( 2x + y )²

= ( 2x )² + y² + 2 ( 2x ) ( y )

= 4x² + y² + 4xy

So,

( 2x + y )² = 4x² + y² + 4xy

( 2x - y )² - ( 2x + y )²

= 4x² + y² - 4xy - ( 4x² + y² + 4xy )

= 4x² + y² - 4xy - 4x² - y² - 4xy

= 4x² - 4x² + y² - y² - 4xy - 4xy

= 0 + 0 - 8xy

= - 8xy

( 2x - y )² - ( 2x + y )² = 4xyk

- 8xy = 4xyk

Divide 4xy on both sides,

- 8xy / 4xy = 4xyk / 4xy

- 2 = k

k = - 2

Therefore, the value of k is - 2.

Answer:

x-4y=8

Step-by-step explanation:

Answer:

x-4y=8

Step-by-step explanation: