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Answer:

The number of students who prefer chocolate milk is 780 .

Step-by-step explanation:

Given as :

The total number of students in the school = 1200

The percentage of students who prefer plain white milk = 35 %

Let the number of students who prefer chocolate milk = x

Now, ∵ The percentage of students who prefer plain white milk = 35 %

∴ The percentage of students who prefer chocolate milk = 100 % - 35 % = 65%

So , As The number of  students who prefer chocolate milk = x

Or, 65 % of total number of students in school = x

So, x = [tex]\frac{65}{100}[/tex] × 1200

or, x = [tex]\frac{65\times 1200 }{100}[/tex]

∴  x = 780

So, the number of students who prefer chocolate milk = x = 780

And  students who prefer plain white milk = 1200 - x = 1200 - 780 = 420

Hence, The number of students who prefer chocolate milk is 780 . Answer

Answer:

-9 2/7 is bigger than -9.3.

Step-by-step explanation:

Imagine these two integers on a number line. On the negative side of the line, these two lie. The way I think of it is that the smaller the value is on the positive side, the bigger it is on the negative side. For example, -1 is bigger than -5. -0.5 is bigger than -1. -13.5 is bigger than -13.7.

The given fraction - 9 2/7 is bigger than the given number - 9.3.

Given the fraction is - 9 2/7

-9 2/7 = - (9 + 2/7)

Now, 2/7 is equal to approximately 0.286.

So, - 9 2/7 = - ( 9 + 2/7 ) = - ( 9 + 0.286) = - 9.286

Thus, 9.286 < 9.3

When negative quantity multiplied then inequality sign changes so,

( -1 ) ( 9.286 ) > ( -1 ) ( 9.3 )

- 9.286 > - 9.3

Therefore the given fraction - 9 2/7 is bigger than the given number - 9.3.

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Answer:

A

Step-by-step explanation:

Given

[tex]\frac{4}{5}[/tex] = [tex]\frac{z}{20}[/tex]

Multiply both sides by 20 to clear the fractions

16 = z → A

Answer:

A. z = 16

Step-by-step explanation:

Multiply both sides by 20 isolate the variable z.

[tex]\frac{4}{5} *\frac{z}{20}[/tex]

[tex]\frac{4}{5} *20 = \frac{z}{20} *20[/tex]

[tex]z = \frac{4}{5} *20[/tex]

Multiplying [tex]\frac{4}{5}[/tex] by 20 will give us 16.

[tex]\frac{4}{5} *\frac{20}{1} = \frac{80}{5}[/tex][tex]= 16[/tex]

Therefore, z is equal to 16.

Answer:

Step-by-step explanation:

The expression given here is

                         [tex]x^2+19x+2[/tex]

Now if we differentiate this expression we can find the portions in its graph where it is increasing and decreasing or neither both.

If the differentiated expression is less than zero with the constant infront of highest degree positive then in the values corresponding to that [tex]x[/tex] the graph is decreasing.

If the differentiated expression is greater than zero with the constant infront of highest degree positive then in the values corresponding to that [tex]x[/tex] the graph is increasing.

  [tex]\frac{d}{dx}(x^2+19x+2)[/tex]

⇒[tex]2x+19[/tex]

For [tex]2x+19>0[/tex] ⇔[tex]x>\frac{-19}{2}[/tex]

For [tex]2x+19<0[/tex] ⇔[tex]x<\frac{-19}{2}[/tex]

Now for us the horizontal span is asked from 0 to 10 for the expression which is from [tex]x=0[/tex] to [tex]x=10[/tex] ,in which portion the value of the expression is strictly increasing so the vlaue increases from [tex]0+0+2=2[/tex] to [tex]10^2+190+2=292[/tex].

Answer:

look at above image for answer. thank you for the question

Using the given conditions, we formed two equations: x + y = -11 and x - y = -3. We then solved these simultaneous equations to find that the two numbers are -7 and -4.

We have been given two conditions to find the values of two numbers, represented by x and y. The first condition can be expressed as the equation x + y = -11. The second condition gives us the second equation x - y = -3.

adding the first and second equation:

(x + y) + (x - y) = -11 + (-3)
2x = -14
x = -7

We can then substitute the value of x back into one of the original equations to solve for y:

-7 + y = -11
y = -11 + 7
y = -4

Thus, the two numbers are -7 and -4.

Answer:

one million, one hundred fourteen thousand, forty

Step-by-step explanation:

Answer:

The quotient is x -2

Step-by-step explanation:

1. Let's simplify and find out the quotient of the following division:

(x^3+3x^2-4x-12) / (x^2+5x+6)

(x³ + 3x² - 4x - 12)/ (x² + 5x + 6)

(x + 2) (x² + x - 6) / (x + 2) (x + 3) ⇒ Factorizing on the numerator and the denominator

(x² + x - 6) / (x + 3) ⇒ Eliminating (x + 2) on the numerator and the denominator

(x + 3) (x - 2) / (x + 3) ⇒ Factorizing on the numerator

x - 2 ⇒ Eliminating (x + 3) on the numerator and the denominator

The quotient is x -2

Answer:

The answer is x-2 on EDGE

Step-by-step explanation:

Answer:

4/25 pounds of candy per person.

Step-by-step explanation:

(4/5)/5=(4/5)(1/5)=4/25

To find the unit rate, you divide the total weight of the candy (4/5 pounds) by the total number of people (5). Therefore, each person received 4/25 pound of candy.

The unit rate is found by dividing the total quantity by the total number of units. In this problem, Deon divided 4/5 pounds of candy among 5 people.

To find the amount of candy per person which is the unit rate, you divide the total weight of the candy (4/5 pounds) by the total number of people (5). So, 4/5 divided by 5 equals 4/25. Thus, each person received 4/25 pound of candy.

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Answer:

y = 7 is the equation of the line that passes through the point ( -2, 7 ) and has a slope of zero.

Step-by-step explanation:

Given:

Let,

A ≡ ( x1 , y1 ) ≡ ( -2, 7 )

Slope = m = 0

To Find :

Equation of Line:

Solution:

Formula for , equation of a line passing through a point (  x1 , y1 ) and having a slope m is given by

[tex](y - y_{1})=m(x-x_{1})[/tex]

Now substituting the values of x1 = -2 and y1 = 7 and slope m = 0 we get,

[tex]y-7=0\times(x--2) \\y-7=0\times (x+2)\\y-7=0\\\therefore y=7[/tex]

Which is the required equation of a line passing through the point ( -2, 7 ) and slope zero

The equation of a line that passes through a point is an algebraic equation. It can also be referred to as the Slope-Intercept Equation.

The equation of the line that passes through the point (-2, 7) and has a slope of zero is written as: y = 7

The equation of the line through a point (x1, y1) can be represented by the algebraic equation:

y = mx + c

where:

m = slope

c = y - intercept

From the question,

(x1, y1) = (-2, 7)

m = slope = 0

Substituting these values into the algebraic equation,

7 = (0 x -2) + c

7 = 0

Hence, y = 7

The equation of the line that passes through the point (-2, 7) and has a slope of zero is y = 7

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Value of ring after four years with appreciation of 4 % each year is 4445.46

Given that  

Tom bought his fiancée Marie a 3800 diamond engagement ring

Marie discovers that the value of the ring appreciates 4% each year  

Need to determine value of ring after four years

Initial value of the ring = 3800

Appreciation of 4% in value means 4% increase

After 1 years , value increases by 4%  which means  

Value after 1 year = Initial value of the ring + 4% of Initial value of the ring

[tex]\begin{array}{l}{=3800+4 \% \text { of } 3800} \\\\ {=3800+\frac{4}{100} \times 3800=3952}\end{array}[/tex]

After 2 years, value increases  by 4% of Value after 1 year which means

Value after 2 years = Value after 1 year + 4% of Value after 1 year

[tex]\begin{array}{l}{=3952+4 \% \text { of } 3952} \\\\ {=3952+\frac{4}{100} \times 3952=4110.08}\end{array}[/tex]

After 3 years, value increases  by 4%  of  Value after 2 years which means  

Value after 3 years = Value after 2 years + 4% of Value after 2 years

[tex]\begin{array}{l}{=4110.08+4 \% \text { of } 410.08} \\\\ {=4110.08+\frac{4}{100} \times 4110.08=4274.4832}\end{array}[/tex]

After 4 years , value increases  by 4%  of  Value after 1 year which means  

Value after 4 years = Value after 3 years + 4% of Value after 3 years

[tex]\begin{array}{l}{=4274.4832+4 \% \text { of } 4274.4832} \\\\ {=4274.4832+\frac{4}{100} \times 4274.4832=4,445.46}\end{array}[/tex]

Value of ring after four years with appreciation of 4 % each year is 4445.46

To calculate the future value of a ring appreciating at 4% each year for 4 years, compound interest formula is used. The ring's value after 4 years is approximately $4,445.46.

The question refers to the calculation of the future value of an investment, which is a common problem in mathematics dealing with compound interest. Tom bought an engagement ring for $3,800, and its value appreciates at a rate of 4% each year. To find the value of the ring after 4 years, we use the formula for compound interest:

Future Value = Present Value x (1 + Rate of Interest)Number of Years

Step-By-Step Calculation

After applying the compound interest formula, the value of the ring after 4 years would be approximately $4,445.46.

===========================================

Explanation:

Graph each inequality given on the same xy coordinate system. You should get what you see in the attached image below. The red shaded region represents all points that make every inequality mentioned to be a true statement. Points A, B, C are vertex points of the boundary region.

A = (2,6)

B = (5,3)

C = (2,3)

For each point A,B,C, plug in the (x,y) coordinates into the C(x,y) function given

------

For point A, (x,y) = (2,6) so x = 2 and y = 6

C(x,y) = (1/2)*x - y

C(2, 6) = (1/2)*2 - 6

C(2, 6) = -5 we'll use this value later

-----

Repeat for point B = (5,3)

C(x,y) = (1/2)*x - y

C(5,3) = (1/2)*5 - 3

C(5,3) = -0.5 we'll use this value later

----

Repeat for point C = (2,3)

C(x,y) = (1/2)*x - y

C(2,3) = (1/2)*2 - 3

C(2,3) = -2 we'll use this value later

-----

In the previous three sections above, we got the following outputs: -5, -0.5, -2

We see that -5 is the smallest and -0.5 is the largest

Therefore, -5 is the min and -0.5 is the max

Answer: 17 and 31

Step-by-step explanation:

first number = x

second number = y

x+y=48

-(x-y=14)

---------------

2y=34

y=17

x=31

Answer:

17 and 31

Step-by-step explanation:

17 + 31 = 48, I basically just plugged in random numbers until I got the answer.

Answer:

814 - 64 = 750

750 ÷ 2 = 375

375 + 64 = 439

The problem can be solved by setting up two equations based on the given information, substituting one equation into the other, and then solving for the variable. In this case, 375 adult tickets were sold.

The subject of this problem is mathematics, particularly a class of problems known as linear equations. Let's assign variables to each type of ticket: A for the number of adult tickets and S for the number of student tickets.

According to the problem, S = A + 64 (because there were 64 more student tickets sold) and S + A = 814 (because a total of 814 tickets were sold).

With these two equations, you can substitute the value of S from the first equation into the second equation. Therefore, (A + 64) + A = 814. Simplify this to get 2A + 64 = 814.

To find the number of adult tickets, solve the simplified equation for A. Subtract 64 from both sides to get 2A = 750, and then divide by 2 to find that A = 375.

So, 375 adult tickets were sold.

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When subtracting with a negative number anywhere in the expression you will do something called "Same-Add-Opposite."

This means that you will keep the first number in the expression (in this case that is -2) the same:

-2 - (-3)

Then turn the subtraction sign into an addition sign.

-2 + (-3)

Finally you will take the "opposite" sign of the second number (in this case you will take the opposite of -3). When I say "opposite sign" I mean that if this number is positive it will become negative. If it was negative it will become positive.

-2 + 3

Now you must solve. When adding a positive number with a negative number you will act as if you are subtracting the two numbers, then the answer will take the sign of the largest number (disregarding the signs).

In this case the largest number is 3 (disregarding the signs) and its sign is positive. Your answer will have a negative sign.

-2 + 3

1

-2 - (-3) = 1

Hope this helped!

~Just a girl in love with Shawn Mendes

Answer:

3x^3-18x^2+26x-8

Step-by-step explanation:

(x-4)(3x^2-6x+2)

3x^3-6x^2+2x-12x^2+24x-8

3x^3-6x^2-12x^2+2x+24x-8

3x^3-18x^2+26x-8

Answer:

X=5

y=2

Step-by-step explanation:

x+4y=13

5+4(2)=13

x-y=3

5-2=3

X=5

Y=2

X+4Y=13

X+Y=13/4=3

X(5)+4Y(*2)=13

Answer:

217

Step-by-step explanation:

868/4=217

Answer:

217

Step-by-step explanation:

Answer:

Probability that the sum of the two dice is greater than 12 is ZERO.

Step-by-step explanation:

Here, when two dices are rolled together, the sample space is given as:

(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6),

(2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6),

(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6),

(4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6)

(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5,6)

(6, 1), (6, 2), (6, 3), (6, 4),(6,5), (6,6)  = Total 36 outcomes

Now, E :  Event of getting a  sum greater than 12.

So here, number of possible outcomes  = 0

So, the probability that the sum of the two dice is greater than 12  = 0/36  = 0

So, it is an IMPOSSIBLE EVENT.

It is impossible to roll a sum greater than 12 with two standard six-sided dice, as the maximum sum possible is 12. Therefore, the probability of rolling a sum greater than 12 is zero.

The student asked about the probability that the sum of two standard six-sided dice is greater than 12. Since the highest sum one can achieve with two six-sided dice is 12 (when both dice show a 6), it is impossible to roll a sum greater than 12. Therefore, the probability of this event is zero.

When considering every outcome of rolling a die, we must include all possible individual results, which range from 1 to 6 for each die. The sum of two dice ranges from a minimum of 2 (both dice showing 1) to a maximum of 12 (both dice showing 6). Consequently, there are no combinations of dice that can result in a sum that exceeds 12.

The highest sum achievable on two six-sided dice is 6 + 6 which equals 12. This makes sums greater than 12 unattainable, and highlights the importance of considering the specified number of sides on dice when calculating probabilities related to their sums.

Answer:

D

Step-by-step explanation:

he did not devide56 by 8

Answer:

D

Step-by-step explanation:

Jonas should have divided 56 by 8.

8x=56

8x/8 = 56/8

x = 7

Answer:

The length of each piece is 2.5.

Step-by-step explanation:

10/4=2.5

Answer:

2.5 ft

The drawing will help

Answer: 5; PO

6; PM

7; MNO

8; QN

9; OQ

10; PQO

Step-by-step explanation:

3 is the least possible number that satisfied these conditions

The solution set is: x≥3

Step-by-step explanation:

Let x be the number

Then according to given statement

If five times a number is increased by four

[tex]5x+4[/tex]

At least 19 means that the result will be equal to or greater than 19

so,

[tex]5x+4\geq 19[/tex]

subtracting 4 from both sides

[tex]5x+4-4 \geq 19-4\\5x \geq 15[/tex]

Dividing both sides by 5

[tex]\frac{5x}{5} \geq \frac{15}{5}\\x\geq 3[/tex]

3 is the least possible number that satisfied these conditions

The solution set is: x≥3

Keywords: Inequality, Variables

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Answer: 1.4862

Step-by-step explanation: To find 6% of 24.77, first write 6% as a decimal by moving the decimal point two places to the left to get 0.06.

Next, the word "of" means multiply so we will multiply 0.06 by 24.77.

(0.06) (24.77) = 1.4682

Therefore, 6% of 24,77 is 1.4862.

The question is incomplete, here is the complete question:

The perimeter of a rectangle is twice the sum of its length and its width, the perimeter is 40 meters and the length is 2 meters more than twice its width. What is the length?

The length of the rectangle is 14 meters

Step-by-step explanation:

The formula of the perimeter of a rectangle is P = 2(L + W), where

Assume that the width of the rectangle is x meters

∵ The width of the rectangle = x meters

∵ Its length is 2 meters more  than twice its width

- Multiply x by 2 and then add to the product 2

∴ The length of the rectangle = 2 x + 2 meters

∵ The formula of the perimeter is P = 2(L + W)

- Substitute L by 2 x + 2 and W by x

∴ P = 2(2 x + 2 + x)

- Add like terms in the bracket

∴ P = 2(3 x + 2)

- Simplify the right hand side

∴ P = 6 x + 4

∵ The perimeter of the rectangle = 40 meters

- Equate P by 40

∴ 6 x + 4 = 40

- Subtract 4 from both sides

∴ 6 x = 36

- Divide both sides by 6

∴ x = 6

∴ The width of the rectangle is 6 meters

∵ The length = 2 x + 2

- Substitute x by 6

∴ The length = 2(6) + 2 = 12 + 2 = 14 meters

The length of the rectangle is 14 meters

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Answer:

c=2

Step-by-step explanation:

7(2c-1)-3=6+6c

14c-7-3=6+6c

14c-10=6+6c

14c-6c-10=6

8c-10=6

8c=6+10

8c=16

c=16/8

c=2

Answer:

Step-by-step explanation:

[tex]7(2c-1)-3=6+6c\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\(7)(2c)+(7)(-1)-3=6+6c\\\\14c-7-3=6+6c\qquad\text{combine like terms}\\\\14c+(-7-3)=6+6c\\\\14c-10=6+6c\qquad\text{add 10 to both sides}\\\\14c-10+10=6+10+6c\\\\14c=16+6c\qquad\text{subtract}\ 6c\ \text{from both sides}\\\\14c-6c=16+6c-6c\\\\8c=16\qquad\text{divide both sides by 8}\\\\\dfrac{8c}{8}=\dfrac{16}{8}\\\\c=2[/tex]

Number of projects that can be presented is 15.

Multiplication of two numbers is defined as the addition of one of the number repeatedly until the times of the other number.

Division is one of the operation in mathematics where number is divided  into equal parts as that of a definite number.

Given that

Time alloted for each team = 1/5

Total time for the presentation = 3 hours

Division equation can be written as :

Number of projects = 3 / (1/5), where 3 hours is divided into 1/5 equal parts.

Number of projects = 15

Multiplication equation can be written as :

Number of projects = 3 × 5 = 15

Hence 15 projects can be presented.

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The complete question is as follows:

Teams of students in Mr. Reed’s classroom are presenting Social Studies projects. Each team has 1/5 hour for their presentation.

Suppose Mr Reeds class has 3 hours for presentations. How many projects can be presented show your solution by writing both a division equation and a multiplication equation.

Answer:

5x² - 13x + 6

Step-by-step explanation:

8x² - 6x + 2 - (3x² +7x -4)

Simplify the expression:

8x² - 6x + 2 - 3x² -7x + 4

Combine like terms:

5x² - 13x + 6

Answer:

Option C is the correct choice that is [tex]y<-\frac{5}{2}x-2[/tex]

Step-by-step explanation:

As this is a multiple choice question we will reduce the options and work on it with the given points [tex](0,-2),(-2,-3)[/tex]

Note:We know that [tex]\leq ,\geq[/tex] where there is [tex]=[/tex] sign associated with it have a straight line graph there is no breaking in the line.

And when there is simply [tex]<,>[/tex] we have a dashed line when we plot it on a graph.

So option B and D are discarded.

Now one-by one we will put the values [tex](x,y)\ (-2,3)[/tex] to know which equation it satisfies.

If we put [tex]y=3[/tex] then [tex]x=-2[/tex].

So working with option A.

[tex]y<-\frac{2}{5}x-2[/tex]

Plugging the values.

[tex]3<-\frac{2}{5}x-2\ ,3<\frac{-2x-10}{5}\ ,15<-2x-10\ ,15+10< -2x\ ,x=\frac{25}{-2}=-12.5[/tex]

And we know that [tex]x[/tex] must be equal to [tex]-2[/tex] so this is not the right answer.

We are left with only one choice that is C .

So option C is the correct option of the above inequality.