9 qt. of a 20% acid solution was mixed
with 1 qt. of pure water. What is the
concentration of the mixture?

Answers

Answer 1

Answer:

18 beac sasdsasd

Step-by-step explanation:


Related Questions

What is the equation of a line that is parallel to 2x + 4y = 16 and passes through (4, -1)?

Answers

Answer:

y=-1/2x+1

Step-by-step explanation:

2x+4y=16

4y=-2x+16

y=-1/2x+4

y=mx+b, m=-1/2, x=4, y=-1

-1=(-1/2)(4)+b

-1=-2+b

1=b

y=-1/2x+1

Can someone help with the answer?

Answers

the correct answer is d!

how many 1/3's are in 3

Answers

Answer:

9

Step-by-step explanation:

1/3 times9=3

Percent is always out of _________ ?

Answers

Answer:

Percent is always out of 100

Step-by-step explanation:

Answer:

100

Step-by-step explanation:

Points B (-4,4)and D (10, 4) lie on circle G. The line segment connecting the two points is the diameter of the circle.
Which equation represents G?
A) (x-3)^2+(y-24)^2=49
B) (x-10)^2 + (y-4)^2=49
C) (x+3)^2 + (y-4)^2 = 49
D) (x+4)^2 + (y-4)^2 =49

Answers

Answer: should be a

Step-by-step explanation:

Answer:

took the NWea test the answer is A A) (x-3)^2+(y-24)^2=49

Step-by-step explanation:

Used math calc to find the answer it gave me 3,4 its not C because if you plug in the math in the calculator it will result in a -3,-4THE CORRECT ANSWER IS A) (x-3)^2+(y-24)^2=49

not C. Hope this helps :)

A bottie contains 255 coins.

1/3 of the coins are £1 coins.

110 of the coins are 50p coins.

The rest of the coins are 20p coins.

Work out the total value of the coins contained in the bottle.

Answers

Answer:

£152

Step-by-step explanation:

Solution:

Find out how much is 1/3 of 255 coins:

255 x 1/3 = 85

Since you know how many 50p and £1 coins there are, the remaining of the coins after the 50p and £1 get deducted from the total coins.

255 - 85 - 110 = 60

There are 60 20p coins, 85 £1 coins and 110 50p coins.

Find out the total value by calculating them all altogether.

60 x 20p = 1200

85 x 100p which is £1 = 8500

110 x 50p = 5500

I did them separately so that it wouldn't be so confusing.

Convert them into £, then after that add them up.

£12 + £85 + £55 = £152

how many sides does a regular polygon have if the measure of an interior angle is 160 degrees? justify ur answer EXPLAIN HOW PLSSS

Answers

Step-by-step explanation:

Size of Interior angle = 180° - 360°/n, where n is the number of sides of the regular polygon.

We have 180° - 360°/n = 160°.

=> 360°/n = 20°, n = 18.

Therefore it is a 18-sided regular polygon.

I'm back.... Can someone please help me with these two problems?

Answers

Answer:

It is b and a

Step-by-step explanation:

Graph the inequality by finding the boundary line, then shading the appropriate area.

y>−7/3+2x/3

Answer: b and a is ur answer

Step-by-step explanation:

I don’t know this someone help

Answers

1.) the relationship between y and 76 is that they are congruent; perpendicular to each other. They equal the same
y= 76
not sure abt the other one

Answer:

yes what that guy said is right

Find each value given f(x).
1. If f(x) = 2x + 3, then f(5) =

Answers

Answer:

f ( 5 ) = 13

Step-by-step explanation:

Step 1:

f ( x ) = 2x + 3         Function

Step 2:

x = 5          Given

Step 3:

f ( 5 ) = 2 ( 5 ) + 3      Input x value

Step 4:

f ( 5 ) = 10 + 3       Multiply

Step 5:

f ( 5 ) = 13       Combine Like Terms

Answer:

f ( 5 ) = 13

Hope This Helps :)

Answer:

f(5) = 13

Step-by-step explanation:

f(x) = 2x + 3

f(x) = 2(5) + 3

f(x) = 13

The school store sells 4 pencils for $0.50. At this rate, what is the cost in dollars) of 10 pencils?

Answers

Answer:

1.25

Step-by-step explanation:

10/4=2.5

2.5*0.5

Answer:

4 pencils = $0.50, divide 0.50 by 4, 1 pencil is $0.125. multiply that by 10, and 10 pencils is $1.25

Step-by-step explanation:

Troy and Lisa were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Troy bought 4 notebooks and 5 thumb drives for $116. Lisa bought 2 notebooks and 3 thumb drives for $68. Find the cost of each notebook and each thumb drive.

Answers

Answer:NOTEBOOK= 4

THUMB DRIVE=20

Step-by-step explanation:

The cost of thumbdrive and notebook purchased are $20 and $4 respectively

Let :

Cost of Notebooks = n

Cost of Thumb drive = t

Troy :

4n + 5t = 116 - - - - (1)

Lisa :

2n + 3t = 68 - - - - (2)

Solving by elimination :

Multiply (1) by 2 and (2) by 4

8n + 10t = 232 - - - (3)8n + 12t = 272 - - - (4)

Subtract (3) and (4)

-2t = - 40t = 40 ÷ 2 = 20

From (1)

4n + 5(20) = 1164n + 100 = 1164n = 116 - 1004n = 16n = 16 ÷ 4 = 4

Hence, cost of notebook is $4 and cost of thumbdrive is $20

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HELP PLEASE
Determine the length of a chord whose central angle is 65° in a circle with a radius of 9 feet.
Question 5 options:


1)
4.84 feet


2)
9 feet


3)
9.67 feet


4)
8.16 feet

Answers

Answer:

3)

9.67 feet

Step-by-step explanation:

The length of the chord is approximately 8.16 feet. The correct option is 4.

What is the length of the chord of the circle?

A line segment connecting two points on a circle is referred to as a circle's chord in geometry. The circle's center is traversed by the longest segment that can be drawn between any two points on the circle.

To get the chord's length, we can utilize the formula for a circle's chord length. The equation is:

Length of chord = 2r sin(θ/2)

where r is the circle's radius, is its radian central angle, and sin is the sine function.

First, we need to convert the central angle from degrees to radians:

θ = 65° = (65/180)π = 1.14 radians

Now we can plug in the values:

Length of chord = 2(9 feet) sin(1.14/2) ≈ 8.16 feet

Therefore, the length of the chord is approximately 8.16 feet.

To know more about the chord of a circle follow

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What is the answer for
3days : 18hrs

Answers

Answer:

4 : 1

Step-by-step explanation:

(3 days : 18 hours) this is a ratio , where both the units must be same before simplifying.

1 day = 24 hours, 3 days = (3 × 24) hours

3 days = 72 hours

Now both the units are same, so we can easily simplify now.

72 hours : 18 hours

36 : 9 = 12 : 3

= 4 : 1 ( Answer)

MY DAD JUST GOT IN A CAR WREAK WHAT DO I DOOOOOOO!!!

Answers

Answer:

ask can you drive it?

Step-by-step explanation:

22= 18x + 4 please help!!

Answers

Answer:

x=1

Step-by-step explanation:

22-18=4  18-18=/

18x1=18

22=18(1)+4

22-18(1)=4

Answer:

22=18x + 4

Step-by-step explanation:

collect like terms 22 and +4

+4 crosses equality sign and turns to -4

you get 22-4=18x

therefore 18x=18

cancel 18 in both sides x = 1

a pool is draining at a rate of 5 gallons per minute. if there are 120 gallons in the pool how long will it take to empty the pool?​

Answers

Answer:

24 minutes

Step-by-step explanation:

You must divide the total gallons by the rate of how many are draining.

This will give you the answer 24.

Answer:

24 minutes

Step-by-step explanation:

5 times 24=120

so since every 5 gallons it takes a minute it would be 24 min

pls help !! - Using the graph below, what is the rule for a translation form point A to point D?

Answers

The answer is b trust me I got this one right

Answer:

B

Step-by-step explanation: i took the test on docs/forms

Which of the following segments is a diameter of o
?

Answers

Answer:

BD

Because it is straight line segment that passes through center from one point in circumference to other

eden purchased a home for $156,200. The home appreciates about 4.5% each year. what is the value of the home after 17 years?

Answers

Answer:

590,088

Step-by-step explanation:

So you divide 156,200 by 4.5 then once you have that times it bye the 17 years I think

Sophie, Leroy, Jose, and Maddie all work for the same IT company. Match each employee with their type of earned income.

a. Sophie is an independent contractor.
b. Leroy is a salaried employee.
c. Jose works on commission.
d. Maddie is an hourly employee.

1. This employee is paid a specific amount for each hour that they work.
2. This employee does not have payroll taxes withheld from their paycheck.
3. This employee is paid a percentage of all revenue that they generate for the company.
4. This employee will often work 50 hours per week but receives the same amount of pay for the weeks that they only work 40 hours.

Answers

A=2 Sophie does not pay any payroll taxes because she’s an independent contractor.
B=4 Leroy salaried salaried which means he can work 50 hours or even 60 hours but will still get paid the 40 hour salary.
C=3 Jose is on commission which means he receives a percentage of the revenue.
D=1 Maddie is an hourly employee so she gets paid a specific amount for each hour that she works.

A bouncy ball is dropped such that the height of its first bounce is 6.25 feet and each

successive bounce is 80% of the previous bounce's height. What would be the height

of the 11th bounce of the ball?

Answers

Answer:

0.67 feet

Step-by-step explanation:

This question can be interpreted as find the 11th term of a geometry progression where a = 6.25 and r = 80%

So, we have:

[tex]T_n = ar^{n-1}[/tex]

In this case:

[tex]r - 80\% = 0.8[/tex]

[tex]n = 11[/tex]

So, we have:

[tex]T_{11} = 6.25 * 0.8^{11-1}[/tex]

[tex]T_{11} = 6.25 * 0.8^{10}[/tex]

[tex]T_{11} = 6.25 * 0.1073741824[/tex]

[tex]T_{11} = 0.67ft[/tex]

Hence, the height of rebound at the 11th time is approximately 0.67

Answer: 0.7

Step-by-step explanation:

What is the poH of a
8.4 x 10-11 M OH solution?

Answers

Answer:

p O H = 10.08

Step-by-step explanation:

Answer:

10.08

Step-by-step explanation:

Acellus sucks

help help help with this

Answers

The answer is 11/2 hope this helps

Answer:

11/2

Step-by-step explanation:

y = mx + b is the equation

m = slope is change of y over change of x

(7)- (-4)  /  (-4) - (-6)   =  11/2  

Write 0.0000055 in scientific notation

Answers

Answer:

(b) 5.5 × 10^-6

Step-by-step explanation:

hope if helps

Write the equation of the line that passes through the point 2,-1 and has a slope of -3

Answers

Answer:

-3

Step-by-step explanation:

-3 is your answer

HURRY THIS IS MY LAST THING FOR THIS ASSIGNMENT. Maria is using a coordinate plane with the axes labeled only with integers. She says that the point (−0.5, 2) cannot be plotted because halves are not numbered on the x-axis. Write a note to Maria about her misunderstanding and explain how to plot the point.

Answers

Answer: You can have halves of points, Just because I have 0 units and 1 units doesn't mean that I can't put a point in the middle of the two. You could put a point in the middle of a unit for 0 - 1 it would be 0.5. You would place it in the middle of the unit

Step-by-step explanation:

What percentage of the shape is purple?
Write your answer using a percent sign (%).
(Please help!) almost done 3

Answers

Okay, we see that there are 10 pieces in the circle - thus, it is our denominator. Next, we see that 9 out of them are coloured in. Therefore, the fraction is 9/10. To express our answer as a percent, we need to divide 9 and 10 to get 0.9. Then, we multiply 0.9 by 100 to get 90%. As a result, your answer is 90%.

The percentage of the shape that is purple is approximately 90%.

To find the percentage of the shape that is purple, we need to calculate the proportion of purple pieces out of the total number of pieces and express it as a percentage.

Given that there are 10 pieces in total and 9 of them are colored in, we can calculate the percentage as follows:

Percentage of purple pieces = (Number of purple pieces / Total number of pieces) × 100

Percentage of purple pieces = (9 / 10) × 100

Percentage of purple pieces = 0.9 × 100

Percentage of purple pieces = 90%

Therefore, the percentage of the shape that is purple is approximately 90%.

Learn more about percentages here:

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Five years ago, Mark was twice as old as Max. In three years, Max's age will be 2/3 that of Mark. What is the sum of their ages now

Answers

Answer:

4years

Step-by-step explanation:

Let the present age of Mark be x

Let the present age of Max be y

Five years ago

Mark = x-5

Max = y - 5

If mark was twice as old as Max, then;

x - 5 = 2(y-5)

x-5 = 2y - 10

x-2y = -10+5

x - 2y = -5 ... 1

In three years,

mark = x+3

Max = y+3

Now if Max's age will be 2/3 that of Mark, then;

x+3 = 2/3(y+3)

3(x+3) = 2(y+3)

3x + 9 = 2y+6

3x-2y = -3 .... 2

Solve 1 and 2 simultaneously

x - 2y = -5 ... 1

3x-2y = -3 .... 2

From 1: x = -5 + 2y

Substitute into 2:

3(-5+2y) - 2y = -3

-15 + 6y - 2y = -3

-15 + 4y = -3

4y = -3 + 15

4y = 12

y = 3

Recall thet x = -5+2y

x = -5+2(3)

x = -5 + 6

x = 1

The sum of their ages will be x+y

x+y = 1+3

x+y = 4

Hence the sum of their ages now is 4years

7x + 10 = 6X + 4(-3+3X)​

Answers

Step-by-step explanation:

7x+10=6x+4(-3+3x)

7x+10=6x-12+12x

7x-6x-12x=-12-10

-11x=-22

x=-22/-11

x=2

..sorry if the answer is wrong

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