In a certain​ chemical, the ratio of zinc to copper is 3 to 19. A jar of the chemical contains 760 grams of copper. How many grams of zinc does it​ contain?

Answer:

the value of 1 by 3- 1 by 2 is 1

Step-by-step explanation:

it is one because 1 by 3 is 1*3

that equals to 3

then you do 1 by 2 (aka 1*2)

then it is 3-2 which equals to 1

Answer:

Step-by-step explanation:

11/4 <3

Answer:

11/4

Step-by-step explanation:

Hope this helps!

Step-by-step explanation:

-p + 6p <_ 4 + 6p

5p <_ 4 + 6p

-4 <_ p

-4 less than or equal to p

Answer:

96.023 is the answer yeah

Answer: x=11

Step-by-step explanation:

I got this by 126-49=77. Then I divided 77 by 7 and got 11.

Answer: 6 minutes.

Step-by-step explanation: You can use a graphing calculator to see the exact graph, but you're trying to figure out what value of x gives you a y of 0. -50 times 6 is 300, plus 300 equals 0.

The graph of the equation y = -50x + 300 is a straight line, and plotted below. The time it take the pool to drain, according to this equation, is  6 minutes.

Suppose the considered function whose graph is to be made is f(x)

The values of 'x' (also called input variable, or independent variable) are usually plotted on horizontal axis, and the output values f(x) are plotted on the vertical axis.

They are together plotted on the point

(x,y) = (x, f(x))

This is why we usually write the functions as:

y = f(x)

For this case, we're specified that:

Take two different values of x, let it be 0 and 1.

Then, the value of y we get is:

[tex]y = -50x + 300\\y = -50 \times 0 + 300\\y = 300[/tex]

Thus, one point on the equation y = -50x + 300 is (0,300)

[tex]y = -50x + 300\\y = -50 \times 1 + 300\\y = 300 - 50 = 250[/tex]

Thus, another point on the equation y = -50x + 300 is (1,250)

Plot these points taking x on horizontal and y on vertical axis. Then join those two points by a straight line. This is the graph of the considered equation as equation of type [tex]y = mx +c[/tex] is a straight line's equation and for straight line, two of its points are sufficient to plot it.

The graph is given below.

Since we know that:

y = number of gallons of water left after draining the pool for x minutes,

so when the pool drains of fully, there will be no water left, or y = 0.

Putting y = 0 in the equation y = -50x + 300, we get:

[tex]y = -50x + 300\\0 = -50x + 300\\\\\text{Adding 50x on both the sides}\\\\50x = 300\\\\\text{Dividing both the sides by 50}\\\\x = \dfrac{300}{50}= 6[/tex]

Thus, when y= 0, we get x = 6, so when the fully filled pool is drained for 6 minutes, the whole pool gets drained (for this case).

Thus, the time it take the pool to drain, according to this equation, is  6 minutes. The graph of the equation y = -50x + 300 is given below.

Learn more about graphing functions here:

https://brainly.com/question/14455421

#SPJ2

Answer: x=12

Step-by-step explanation: because I’m smart and in middle school

Answer:

The answer is C:All real solutions

Step-by-step explanation:

here are the steps in case u need them :)

Step 1: Simplify both sides of the equation.

−2(x+3)=−2x−6

(−2)(x)+(−2)(3)=−2x+−6(Distribute)

−2x+−6=−2x+−6

−2x−6=−2x−6

Step 2: Add 2x to both sides.

−2x−6+2x=−2x−6+2x

−6=−6

Step 3: Add 6 to both sides.

−6+6=−6+6

0=0

Answer:

C: All real numbers.

Step-by-step explanation:

-2 ( x + 3 ) = -2x -6

-2 times x, -2 times 3

-2x -6 = -2x -6

Add 6

-2x -6 +6 = -2x -6 +6

-2x = -2x

same as....

0 = 0

Answer:

20+0.45x=35+0.20x

Step-by-step explanation:

From the information given, you can say that Andy's plan cost would be equal to Jeff's plan cost and then solve for the number of text to find when the phone plans will cost the same:

20+0.45x=35+0.20x, where x is the number of texts

Now, you can solve for x:

0.45x-0.20x=35-20

0.25x=15

x=15/0.25

x=60

According to this, the equation that can be used to determine when the phone plans will cost the same based on the number of texts is 20+0.45x=35+0.20x.

Answer:

Hi in my opinion ur answer means option 2 SAS is correct

Answer:

Step-by-step explanation:

The triangles have one side congruent, one side common = congruent and the angle between them congruent

It is Side, Angle, Side = SAS

Answer is y=2x because when you look at graph it’s clear

Answer: y=2x

Step-by-step explanation:

Answer:

7/9 = 14/18

4/10 = 16/40

3/12 = 9/36

8/10 = 4/5

12/16  = 6/8

18/21 = 6/7

Step-by-step explanation:

Answer:

7/9 is equivalent to 14/18

4/10 is equivalent to 16/40

3/12 is equivalent to 2/8

8/10 is equivalent to 4/5

12/16 is equivalent to 6/8

18/21 is equivalent to 6/8

Answer:

Is there a table I can see if I'll be able to help

Answer:

Oliver’s table indicates that for every increase of 2 strides, the distance he travels increases by 7 feet. So, the change in distance divided by the change in stride gives the unit rate.

Step-by-step explanation:

Answer:

Step-by-step explanation:

There are lots of numbers that are less than 941,020

( Exactly 941,019 without Negative Numbers )

( If Negative Numbers are involved, it's infinity )

Hope this helps! <3

Answer:

5 and 9303 (Those are just examples)

Step-by-step explanation:

You can choose any number that is below 941,020, and hs no decimal places, so 0, 6, 930, and 90493 all work.

Answer:

Factored out is 1/8

Step-by-step explanation:

3z+8/8

Answer:

x=5

Step-by-step explanation:

4x + 8 = 28,

it's rather straight forward,

you would subtract 8 from the left side,

doing the same on the right.

now you have

4x = 20

x= 20/4

x=5

hope this helps.

Answer:

-2b+4

Step-by-step explanation:

we are multiplying by a negative 1 in the expression.

-1(2b-4)

-2b+4

*negative multiplied by a negative makes a positive

Hope this helps!

Answer:

A

Step-by-step explanation:

You must multiply the number your buying by the price then you need to multiply by 1.07 because you need 7% or .07 to get the tax but you want to add that to the old number so you need a 1 in front so the answer is c(p) = 1.07(3p) however you still need the $15 gift card so instead you add the 7% into the three dollars you are multiplying by the number then subtract the 15 dollars because you aren't really paying. The reasonable domain is 0 1 2 3 4 because the number 5 would be over the 15 dollar limit.

Answer:

(0,2)

Step-by-step explanation:

The intercept is the part of the line touching the quadrat.

Answer:

B (0,2)

Step-by-step explanation:

Because if its on the red line on the y axis its 2.

answer

757

Step-by-step explanation:

I just know made a A on the test

Answer:

D

Step-by-step explanation:

BECAUSE the number of hrs he works his salary multiplies

hope this helps..

Answer:

x=25

Step-by-step explanation:

since this is a triangle you would add up all the measure of this and set it equal to 180. 90 is the side with the box. so it would be 2x+15+x+90=180 then solve for x and you would get your answer.

Answer:

the angle measures of 14° and x° are adjacent angles that makes the right angle. Therefore the sum of the angle is 90. This then gives x+14=90 x=76

AND OMG HIII ARMY !

Answer: 0.1

Step-by-step explanation:

your going to substact credit card a and b and then what ever you get will be your answer

Answer:

$750

Step-by-step explanation:

To find the new price, multiply the original price by 1.25, since there is a 25% increase in the price:

600(1.25)

= 750

So, the retailer is asking for $750 for the couch

Answer:

(3,3)

Step-by-step explanation:

Since it's to the left, and not up or down at all, the y-value does not change. The x-value, however, is affected. Since it's to the left, it is decreasing in value by 2 points. If it were to the right, it would increase in value to (7,3), since it'd be going further away from (0,0).

Answer:

Q  = (3,3)

Step-by-step explanation:

Moving the point left moves the x value down 2.

5-2=3

Therefore, Q = (3,3)