Simplify √ 20 x 8 y 9 to the form a √ b .

Answers

Answer 1

Answer:

Juanita dissolves 46 g of MgBr2 (molar mass: 184.11 g/mol) in 0.5 kg of distilled water. What is the molality of the solution?


Related Questions

Simple math, earn points!

Simple math, earn points!

Answers

Answer:

$7000

Step-by-step explanation:

This problem seems scary at first sight, but don't be intimidated. It is actually pretty simple.

The column of equations (starting with 0.1d) at the right of T(d) is a list of option based on d, the taxable income. If d is less than or equal to (≤) 9875, than the equation is T(d) = 0.1d.

It shows that Noam has 90000 dollars for d, or the taxable income, and Betty has 120000 dollars.

Now, let's find the equations by plugging in 90,000 for d first.

90,000 is greater than 85, 526 and less than 163,300 (85, 526 ≤ 90,000 ≤ 163300).

Then we plug in 120,000 dollar to find the corresponding equation.

120000 is greater than 85, 526 and less than 163, 300 (85, 526 ≤ 120,000 ≤ 163300).

So the chosen equation is:  

T(d) = .24( d -85525) + 14605.5

Plug in the Noam's number for d

T(d) = .24(90,000 - 85, 525) + 14, 605.5

T(d) = .24(4475) + 14,605.5

T(d) = 1074 + 14,605.5

T(d) = 15, 679.5

Now Plug in Betty's number for d

T(d) = .24 (120,000 - 85, 525) +14, 605.5

T(d) = .24( 34475) + 14, 605.5

T(d) = 8274 + 14, 605.5

T(d) = 22, 879.5

We are finding how much more tax does Betty pay, so we subtract               15, 679.5 from 22, 879.5.

22, 879.5 - 15, 679.5 = 7200

Betty pays $7000 more tax than Noam does.        

That is the answer for your question, which is , 7000

2. Find the area of a parallelogram that has a base of 3 inches, a slant height of 9 inches and a height of 8 inches.

Area =_______square inches.

A. 216

B. 27

C. 24

D. 72

Answers

Answer:

24 in²

Step-by-step explanation:

The area (A) of a parallelogram is calculated as

A = bh ( b is the base and h the height )

Here b = 3 and h = 8 , thus

A = 3 × 8 = 24 in²

Answer:

C.

Step-by-step explanation:

Hope this helps.

please write a function for the points (1/3,0) (-2 3/4,0) and (0,-5) and explain the steps.
thank you!

Answers

The function for the points are  y = -15x - 5

How to determine the function

From the information given, we have that;

The points are;

(1/3,0) (-2 3/4,0) and (0,-5)

Using the point-slope form of a linear equation, we have;

y - y₁ = m(x - x₁)

Such that;

m is the slope of the liney - y₁ and (x - x₁) are the points

Using (1/3, 0) and (0, -5), we have that the slope is;

m = (0 - (-5))/0 -1/3)

expand the bracket

= 5 / (-1/3)

= -15

Now, take any of the given points and substitute the values

Using (1/3, 0), we get;

y - 0 = -15(x - 1/3).

y = -15x - 5.

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The function for the points solved by  (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)

We have given the points:

(1/3,0) (-2 3/4,0) and (0,-5)

Using the formula of linear equation

\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)                                                          

Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)

that is 1/3 = \(a\), 0 = \(a_{1}\) and

0 = \(b\), -5 = \(b_{1}\)

\(x\) refers to the slope of line (take any variable)

Now for finding the value of \(x\),

\(x=a-a_{1}/b-b_{1}\)

inserting the values,

\(x=[0-[-5]]/[0-1/3]\\x= -15\)

Substitute the value of \(x\) in the equation

\(a-0=-15[b-1/3]\)

By simplifying the equation, we get

\(a=-15b-5\)

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delta math homework due at 11 pm

delta math homework due at 11 pm

Answers

they can bring 21 people
$1856.75 - $885.50 = $971.25
$46.25 • 21 = $971.25

Eric and Linda are paid ​$41.25 for their work. Eric worked 2.5 ​hours, and Linda worked 3 hours. They split the money according to the amount of time each of them worked. How much is Eric​'s share of the​ money?

Answers

Answer:$18.75

Step-by-step explanation:

First, find how much they get paid for working half a hour by dividing 9 from 41.25 to get 3.75.

Then, multiply 3.75 by 5 to get 18.75.

Eric's share is $18.75.

The multiplicative inverse of -⅚ is

Answers

Answer: -6/5

Step-by-step explanation:

Multiplicative inverse simply is another word for 'reciprocal'.

A reciprocal is the fraction upside down, or inverted.

Knowing this, let's convert -5/6.

-5/6 becomes -6/5, and you don't do anything about the negative sign.

Answer: -6/5

Step-by-step explanation:

u just get the reciprocal

Solve for y.

−2y+7=−5
Responses

y = 6

y = 1

y = -1


y = -6

Answers

Answer: y = 6

Step-by-step explanation:

1. Subtract 7 from both sides to isolate -2y.

-2y = -12

2. Divide both sides by -2 to isolate the y.

y = 6

Y-6 mark be the brainiest
Solve for y. 2y+7=5Responsesy = 6y = 1y = -1y = -6

A bag contains 9 pennies , 8 nickels, and 5 dimes. How many quarters should be added to the bag so the probability of drawing a dime is 1/6?

Answers

Answer:

A bag contains 9 pennies, 8 nickels and 5 dimes: 22 coins total

5/30 = 1/6

22 + 8 = 30

 8 quarters would give the needed 30 coin total

P(dime) = 5/30 = 1/6

Step-by-step explanation:

No quarters should be added to the bag so the probability of drawing a dime is 1/6

Let x be the number of quarters to be added to the bag.

The probability of drawing a dime can be found by dividing the number of dimes in the bag by the total number of coins in the bag after adding x quarters.

The total number of coins in the bag before adding any quarters is:

9 pennies + 8 nickels + 5 dimes = 22 coins

After adding x quarters, the total number of coins in the bag becomes:

9 pennies + 8 nickels + 5 dimes + x quarters = 22 + x coins

The probability of drawing a dime is given as 1/6.

So, we can set up the equation:

5 / (22 + x) = 1/6

30 = 5(22 + x)

30 = 110 + 5x

-80 = 5x

x = -16

Since x represents the number of quarters to be added, it cannot be negative. Therefore, it is not possible to add any quarters to the bag so that the probability of drawing a dime is 1/6.

Hence, the answer is zero quarters.

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PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

20r^7 st^2 u^4

Step-by-step explanation:

20r^7 st^2 u^4
hope that helps.

Help I will give brainliest

Help I will give brainliest

Answers

Circumference of a circle is 2(pie)r

the answer would be 56.52 inches

explanation:

2(3.14)9
18(3.14)
= 56.52

Help :l Thank you very very very much...

Help :l Thank you very very very much...

Answers

Answer:1152 ft^2

Step-by-step explanation:

The answer is B……
Explanation…..

Pls help me in math, I need this tomorrow, thx :)

Pls help me in math, I need this tomorrow, thx :)
Pls help me in math, I need this tomorrow, thx :)

Answers

Answer: Range and mean = 8 of both

variance of Set X= 4.7

variance of Set Y= 4.6

Step-by-step explanation:

Two sets of data, set X and set Y are given

a.) Range is the difference of the highest value and the lowest value,

Therefore, Range of set X = 12-4=8

Range of set Y = 12-4=8

Now, Mean of a given data set is the average of all the terms present in the given data set

Mean of set X= Σxif/n = (4+5+6+7+16+18+24)/10 = 8

Mean of set Y= (4+5+7+32+20+12)/10= 8

Therefore, both the data sets has same range and mean.

b.) Standard deviation tells about the variability of the date and is given by,

S.D= σ = √∑ ( X − μ )^2/n

S.D of set X= √(16+9+4+1+0+1+16)/10= √4.7

S.D of set Y= √(16+9+1+0+4+16)/10= √4.6

Variance is the square of S.D, that is, σ^2

Therefore, variance of set X=4.6

variance of set Y= 4.7

c.) The calculated variances of set X and set Y are 4.7 and 4.6 respectively. It implies that the data is more distributed or varied in set X than in set Y. In the other words, data in set Y is more consistent data than of set X.  

To learn more about S.D and variance,

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Answer: Range and mean = 8 of both

variance of Set X= 4.7

variance of Set Y= 4.6

Step-by-step explanation:

We know

a.) Range is the difference of the highest value and the lowest value,

Therefore, Range of set X = 12-4=8

Range of set Y = 12-4=8

Now, Mean of a given data set is the average of all the terms present in the given data set

Mean of set X= Σxif/n = (4+5+6+7+16+18+24)/10 = 8

Mean of set Y= (4+5+7+32+20+12)/10= 8

also

b.) Standard deviation tells about the variability of the date and is given by,

S.D= σ = √∑ ( X − μ )^2/n

S.D of set X= √(16+9+4+1+0+1+16)/10= √4.7

S.D of set Y= √(16+9+1+0+4+16)/10= √4.6

Variance is the square of S.D, that is, σ^2

Therefore, variance of set X=4.6

variance of set Y= 4.7

c.) The calculated variances of set X and set Y are 4.7 and 4.6 respectively. It implies that the data is more distributed or varied in set X than in set Y. In the other words, data in set Y is more consistent data than of set X.

Margo is wrapping a box that is 7 inches long, 10 inches wide, and 4 inches high. How much wrapping paper will she need to cover the entire box?

Answers

She will need to cover a total of 268 square inches of wrapping paper.

She will need to cover six sides of the box. To calculate the surface area of the box, you'll need to add the area of each side. The formula for surface area is: 2lw + 2lh + 2wh. Plugging in the dimensions of the box, we get:

2(7 x 10) + 2(7 x 4) + 2(10 x 4) = 140 + 56 + 80 = 276

So, she will need 276 square inches of wrapping paper. But since she doesn't need to wrap the bottom of the box, we subtract one of the sides, which gives us a total of 268 square inches of wrapping paper.

To calculate the surface area of the box, you need to add the area of all six sides. The area of each side can be found by multiplying the length by the width.

- The area of the front and back sides is 7 x 4 = 28 square inches each.
- The area of the top and bottom sides is 10 x 4 = 40 square inches each.
- The area of the two side sides is 7 x 10 = 70 square inches each.

So, the total surface area of the box is 2(28) + 2(40) + 2(70) = 56 + 80 + 140 = 276 square inches.

Therefore, Margo will need at least 276 square inches of wrapping paper to cover the entire box.

Answer:280 in

Step-by-step explanation: First we multiply the length by the width and that would be 7 by 10 and we would get 70. Next we multiply the height by the total of (l x w), so 4 x 70 would be 280. Margo needs a total of 280 inches of wrapping paper to cover the entire box. Hope this helps! :)

helpppppppppppppppp need now--------------------------------------------------Manuel borrowed $1,500 from his bank and signed a contract to make monthly payments for one year at a monthly simple interest of 15%. How much total interest will Manuel pay on this loan?

Answers

Answer: I think it’s 225
Explanation: 1,500 • .15= 225

I WILL GIVE BRAINLIEST!!!
Which statement best describes the mean of the data listed below?
10, 7, 9, 5, 8, 6, 7, 3, 10, 5, 7

The middle value of the ordered data set is 7.

The value that occurs most often in the set is 7.

The difference between the smallest value and the largest value is 7.

The sum of all the data values divided by the number of data values is 7.

Answers

Answer:

4. The sum of all the data values divided by the number of data values is 7.

In short, the mean of the data is the average.

can i get a picture of the question so i can understand a bit more?

You have a pizza with diameter 12
2
3 in., and a square box that is 12.65 in. across. Write 12
2
3 as a decimal. Can you fit the pizza inside the​ box?
What is the decimal expansion for 12
2
3​?
A.12.6
B.12.65
C.12.6
D.12.66
pls help me

Answers

Answer:

D is the right choice and no you cannot fit the pizza inside the box.

Step-by-step explanation:

D is the answer because to turn 2/3 into a decimal you would divide 2 by 3 and the answer you would get would be 0.66666666666...You would then add 12 to the answer and get 12.6666... Once you get this answer you would round it to the hundredths to get 12.67 but since that is not an option you could use D, 12.66 inches.

Answer:

I believe the answer is D.

Step-by-step explanation:

GOOGLE

Please Answer this question I really need help

Please Answer this question I really need help

Answers

Answer:

x = -7

Step-by-step explanation:

The answer is X=7/72
Hope this helps

Find the surface area of the 3D shape.

Find the total surface area of the following cuboid.

Question 4 options:

88 cm2

44 cm2

48 cm2

12 cm2

Find the surface area of the 3D shape.Find the total surface area of the following cuboid.Question 4

Answers

Answer:

88

Step-by-step explanation:

https://www.calculator.net/surface-area-calculator.html?rtanklength=2&rtanklengthunit=yards&rtankwidth=6&rtankwidthunit=yards&rtankheight=4&rtankheightunit=yards&rectcal=Calculate#rectangular

I think the answer is 88 cm2

Find the value of xxx in the triangle shown below.
x =
x∘ 45∘ 98∘

Find the value of xxx in the triangle shown below.x = x 45 98

Answers

Answer:

Hello! answer: 37

Step-by-step explanation:

Triangles add up to 180 degrees 98 + 45 = 143

180 - 143 = 37 therefore x = 37 HOPE THAT HELPS!

The measure of the third angle of this triangle is 37°.

What is a triangle?

A triangle is a three-sided closed-plane figure formed by joining three noncolinear points. Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.

We know the sum of all the interior angles in a triangle is 180°.

Given, A triangle and it's measure of two interior angles are 98° and 45°

respectively.

let, The third angle be 'x'.

Therefore,

98° + 45° + x = 180°.

x = 180° - 98° - 45°.

x = 37°.

So, the measure of the third angle is 37°.

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x-5 times 10
first will get brainliest!

Answers

Answer:

5x10=50

add the x-50

Step-by-step explanation:

Brainliest?

Answer:

x−50

Step-by-step explanation:

x−(5)(10)

=x+−50

Consider the following figure:

What solid 3D object is produced by rotating the rectangle about line m?

Choose 1 answer:

A) A cylinder with diameter 8 units

B) A cylinder with radius 1 unit

C) A cone with radius 8 units

D) A cone with diameter 1 units

Answers

Answer:

The solid 3d object is produced by rotating the square about line m is cylinder.

I need help with these questions plzzzz

I need help with these questions plzzzz

Answers

Answer:

The first one is an acute triangle

The second one is a right triangle

The third one is obtuse triangle

Ok the other answer is better than mine ;-;

Isosceles acute, scalene right, isosceles obtuse

You want to make bouquets of balloons. You have 10 blue balloons and 18 pink balloons. Every bouquet will have the same number of each color. What is the greatest possible number of bouquets you can make using all the balloons? How much will you earn if you sell each bouquet for ​$2.98?

Answers

Answer: You can make 2 bouquets of 5 blue ballons and 9 pink ballons and make $5.96.

Step-by-step explanation:

Start by dividing both by different numbers:

10/2=5.  18/2=9

No other number can go in to both so you have two bouquets with  5 blue and 9 pink balloons.

Next multiply 2 by $2.98:

 $2.98(2)=$5.96

                              Hope this helps:)

this would be the answer
You want to make bouquets of balloons. You have 10 blue balloons and 18 pink balloons. Every bouquet

3.3 = x -4.6

answer options what's the answer

0.3
1.3
7.9
7.3

Answers

Answer: x = 7.9

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

Good luck!

The answer is 7.9
3.3+4.6= x-4.6+4.6

WILL CHOOSE BRAINLIEST. Which equation will have one solution.

A. 5(x+3)=5x+3
B. 9x=9x
C. 5x+6=10
D. 10x=50+10x

Answers

Answer:

C - The other answers have no solutions...

Hope This Helps! :) Please Give brainliest if this helped you!

help me with this question

help me with this question

Answers

BH*1/2. So we can conclude, 15*4= 60 * 1/2= 30. The answer is 30.
so to find an area for a triangle you would need to do, 4cm * 15cm. then divide by 1/2

While participating in a blood drive at school, Keona learns that blood has a density of 1.06 g/mL. She donates one pint of blood, which is equal to 473.176 mL.
What is the mass of the blood Keona donates, to the nearest hundredth of a gram?

Answers

Answer:

501.57g  

Step-by-step explanation:

g=1.06×473.176

501.57g I got it right

evaluate 8 - 4.7 y - x ,when y = -1 and x = 2.

evaluate 8 - 4.7 y - x ,when y = -1 and x = 2.

Answers

Answer:

10.7 = 0

Step-by-step explanation:

8 - 4.7*y - x

8 - 4.7*y - x = 0

8 - 4.7*(-1) - 2 = 0

8 + 4.7 - 2 = 0

10.7 = 0

The answer is D (10.7)

8-4.7y-x write the original equation

8-4.7(-1)-2 plug in the numbers

10.7 use a calculator to find the answer

The value of the nth term in a sequence of numbers given by the expression 2n -3. What is the 8th term in the sequence?

A. -22
B. 11
C. 13
D. 26

Answers

Answer:

C. 13

Step-by-step explanation:

If the nth term is given by 2n-3 and you're being asked for the 8th term, n=8, plug in 8 for n. 2(8)-3=13

It’s C. 13 I took the test

What is the quotient of Three-fifths and one-tenth?

Answers

Answer:6

Step-by-step explanation:

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