write the missing number = 1/2 of 18
please help me !!!!

Write The Missing Number = 1/2 Of 18please Help Me !!!!

Answers

Answer 1
The one for 1/2 of 18 is 9
Answer 2

Answer:

a) 9b) 18

Step-by-step explanation:

a) 1/2 of 18 = ?

→ 1/2 of 18

→ (1/2) × 18

→ 18/2 = 9

So, answer is 9.

b) 2/3 of 27 = ?

→ 2/3 of 27

→ (2/3) × 27

→ 54/3 = 18

So, answer is 18.


Related Questions

what is the height of the polygon if the area is 9,408

Answers

Answer:

84 cm

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

Given is a parallelogram

Area of the parallelogram

A = bh, where h- height, b- base

Substitute given values and find h

9408 = 112hh = 9408/112h = 84

Help me please ill add more points than usual!

Answers

Answer:  how

Step-by-step explanation: love

do 15/sin38 which is 24.36 to 2dp

Find the equation of a line parallel to 3x+3y=6 that passes through the point (7,-1)

Answers

The equation of the line parallel to 3x+3y=6 that passes through the point (7,-1) is  y = -x + 8

How to find equation of a line?

The equation of a line can be represented as follows:

y = mx + b

where

m = slopeb = y-intercept

The lines that are parallel have the same slopes.

Therefore, let's find the slope of the equation 3x+3y=6.

3x + 3y = 6

3y = - 3x + 6

divide through by 3

y = - x + 2

Therefore, the slope is - 1.

Let's find the y-intercept of the equation using (7, 1)

y = - x + b

1 = - 7 + b

b = 8

Therefore, the equation of the line is y = -x + 8

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A shop is having a sale.
All items are reduced by 25%
Work out the sale price of an item normally priced at £90

Answers

The sale price of an item normally priced at £90 is £67.5            

What is the percentage?

A percentage in mathematics is a figure or ratio that is stated as a fraction of 100.

Given :

A shop is having a sale. all items are reduced by 25%.

To Find:

Work out the sale price of an item normally priced at £90.

Price of an item = £90

Price is reduced by 25%

Reduction in price = 25%*90=25/100= 22.5

Reduced price = 90-22.5=67.5

Hence, the sale price of an item normally priced at £90 is £67.5                              

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Evaluate the expression and enter your answer in the box below.
|34|

Answers

Answer:

34

Step-by-step explanation:

Absolute value means the distance from 0. So the absolute value of 34 is just 34.

Help me find the slop for question 1 and 2 ill give credit

Answers

The slopes of the given lines are:

1. 2/5.

2. -1.

How to Find the Slope of a Line?

If a line passes through points on a graph, [tex](x_1, y_1)[/tex] and [tex](x_2, y_2)[/tex], the formula that can be employed to find the slope of a line is given as:

Slope (m) = change in y / change in x = [tex]\frac{y_2 - y_1}{x_2 - x_1}[/tex].

1. Using two points on the line, (3, 1) and (-2, -1):

Slope of the line = m = (-1 - 1)/(-2 - 3)

Slope of the line (m) = -2/-5

Slope of the line (m) = 2/5

The slope of the graph is 2/5.

2. Using two points on the line, (-3, 2) and (2, -3):

Slope of the line = m = (-3 - 2)/(2 -(-3))

Slope of the line (m) = -5/5

Slope of the line (m) = -1

The slope of the graph is -1.

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An 80 kg jumper in flight accelerates at a rate of 8 m/s^2. What is the force of the long jumper? F = ma

Answers

By taking the product between the mass and the acceleration, we will see that the force is:

F = 640 N

What is the force of the long jumper?

By the second Newton's law, we know that a force can cause motion on a body by accelerating it, such that the force is equal to the product between the mass of the object and the acceleration.

F = m*a

F = forcem = massa = acceleration.

Here we know that:

m = 80kg

a = 8 m/s^2

Replacing that we get:

F = (80 kg)*( 8 m/s^2) = 640 N

Where N is the unit Newton.

1 N = 1 kg*m/s^2

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Elon is paid by the hour. He earned $50 for a 4 hour workday. How much
does he earn in one hour?

Answers

Answer:

$12.50 per hour

Step-by-step explanation:

Elon is paid by the hour. He earned $50 for a 4 hour workday. How much does he earn in one hour?

50 / 4 = $12.50 per hour

a standard deck of 52 cards is acquired. for those who do not know, a deck of cards contains 4 suits (hearts, diamonds, clubs, and spades). hearts and diamonds are red, clubs and spades are black. there are 13 denominations of cards (2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace). if you select two cards (without replacement), what is the probability that you select a black card and a red card?

Answers

The probability that you select a black card and a red card is 26/51 as per the condition mentioned "choosing two cards (without replacement )".

What is probability?

The area of mathematics known as probability studies potential outcomes of events as well as their relative probabilities and distributions. Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of various outcomes. Statistics is the study of events that follow a probability distribution.

Here,

Since we have not mentioned the order,

so it can black-red or red-black,

=26/52*26/51+26/52*26/51

=2*26/52*26/51

=26/51

Assuming you choose two cards (without replacement), there is a 26/51 chance that you will choose a black card and a red card.

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Kelly is trying to decide which plan to use to download songs. She can download 8 songs for $9.60 or 15 songs for $15.00. Which plan offers the lowest cost per song?

Answers

Answer:

The second plan ($15.00 for 15 songs) offers the lowest cost per song.

Step-by-step explanation:

The objective is to find the plan that provides the lowest cost per song.  "Lowest cost per song" is basically $/song.  So let's compare the two plans by calculating the cost per song.

Plan 1:  $9.60/(8 songs)    = $1.20/song

Plan 2: $15.00/(15 songs) =  $1.00/song

The second plan ($15.00 for 15 songs) offers the lowest cost per song.

A square painting has a side length of 17 inches.

What is the area of the painting?

Answers

The area of the painting is 289 [tex]inches^{2}[/tex].

Given:

A square painting has a side length of 17 inches.

we know that,

Area of square = side * side.

= 17 inches * 17 inches

= 289 [tex]inches^{2}[/tex].

Therefore the area of the painting is 289 [tex]inches^{2}[/tex].

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227 x 173 simplify using identities. Ple someone answer quickly.....

Answers

227 x 173 simplify using identities. Ple someone answer quickly

a high school theater club has 40 student, 6 of whom are left handed. two student will be selected at random, one at a time without replacement. what is the pobability that the 2 student selected will both be left-handed/

Answers

1.92%   is the probability .

Describe probability using an example?

By dividing the number of preferable possibilities by the total number of potential outcomes, probability, which measures the likelihood that an event will occur, is obtained. The most basic illustration is a coin toss. There are only two outcomes that can occur when you flip a coin: either heads or tails.

The probability of an event is the ratio of the size of the event space to the size of the sample space.  

The size of the sample space is the total number of possible outcomes  

The event space is the number of outcomes in the event you are interested in.  

so  

Let

x------> size of the event space

y-----> size of the sample space  

so

  P = x/y

Find out the probability that the first student selected will be left-handed

we have

 x = 6

 y = 40

substitute

 P = 6/40

Simplify

P = 3/20

the probability that the second student selected will be left-handed

we have

    x = 6 - 1  = 4

y = 40 -1 = 39

substitute

 P = 5/39

the probability that the 2 students selected will both be left-handed

Multiply the probabilities

   P = 3/20(5/39)  = 15/780

Convert to percentage

Multiply by 100

15/780 * 100 = 1.92%

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Find the equation of a line parallel to 5x+3y=−21 that passes through the point (-9,-3)

Answers

To find: Equation of line parallel to 5x + 3y = -21 and passes through the point (-9, -3)

Solving the given 5x + 3y = -21 for 3y yields  3y = -5x - 21.  

Dividing all three terms by 3, we get:

y = (-5/3)x - 7, indicating that the given line has slope -5/3.

The slope of a line perpendicular to this y = (-5/3)x - 7 is 3/5, the negative reciprocal of -5/3.

Start with y = mx + b

Substitute -3 for y, -9 for x, and 3/5 for m

We get,

-3 = (3/5) (-9)  + b

∴  b   = 5/9

Thus, the equation is y = (3/5)x + 5/9 is the required equation of a line parallel to 5x+3y=−21 that passes through the point (-9,-3)

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76.43 divide 3.4
Please Answer

Answers

Answer:

22.479411764705882352941176470588

Step-by-step explanation:

76.43/3.4

=22.479411764705882352941176470588

The answer to that is 22.4794

i need help pls ahhhhh

Answers

Answer:

here is the answer have a good day

Answer:

1. 40/5=8

8 x 3p=24p

8(3p+5)=24p+40

2. 48/8=6

    64/8=8

8(6q-8)=48q-64

Be Precise: Yesterday, Noah ran 2½ miles in 3/5 hour. Emily ran 3 3/4 miles in 5/6 hour. Anna ran 3 1/2 miles in hour. How fast, in miles per hour, did each person run? Who ran the fastest? Help pleaseeee ​

Answers

Answer:

Step-by-step explanation:

Noah- 4 1/6 miles/hour

Emily- 8 1/10 miles/hour

Anna- 3 1/2 miles/ hour

Emily ran the quickest.

Answer:

Anna was the fastest.

Step-by-step explanation:

Following are the steps we take to determine each one's speed:

speed=distance/time

Noah went 4 1/6 miles an hour, Emily went 4 1/2 miles an hour, and Anna went 5 5/9 miles an hour. Therefore, Anna was the fastest.

Which of the following equations have exactly one solution?
Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
6
x

6
=
15
x
+
15
6x−6=15x+156, x, minus, 6, equals, 15, x, plus, 15

(Choice B)
B
6
x
+
15
=
6
x
+
15
6x+15=6x+156, x, plus, 15, equals, 6, x, plus, 15

(Choice C)
C
6
x

15
=
6
x
+
15
6x−15=6x+156, x, minus, 15, equals, 6, x, plus, 15

(Choice D)
D
6
x

6
=
6
x
+
15
6x−6=6x+156

Answers

The equation which has exactly one solution is 6x - 6 = 15x + 15.

The correct answer option is option A

Solving equations with one solution

Check all that applies:

6x - 6 = 15x + 15

6x - 15x = 15 + 6

- 9x = 21

divide both sides by -9

x = 21/-9

x = -2.33

6x + 15 = 6x + 15

6x - 6x = 15 - 15

0 = 0

False

6x - 15 = 6x + 15

6x - 6x = 15 + 15

0 = 30

False

6x - 6 = 6x + 15

6x - 6x = 15 + 6

0 = 21

False

In conclusion, the 6x - 6 = 15x + 15 has only one solution.

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The perimeter of a rectangle is 84 feet. The ratio of the width to the length is
2:5. Find the length and the width.

Answers

Width: 12
Length: 30

5x+5x+2x+2x = 14x

84/14 = 6

Since the ration is 2:5 you will multiply 6*2and then 6*5 to get that width and length.

6*2=12
6*5= 30

12+12+30+30 = 84

The width of the rectangle is 12 feet and the length is 30 feet.

What is perimeter?

The perimeter of a shape is determined by adding the length of all the sides and edges enclosing the shape.

Given that, The perimeter of a rectangle is 84 feet. The ratio of the width to the length is 2:5.

Let the width be 2x and length be 5x,

Perimeter = 2(l+w)

2(2x+5x) = 84

2x+5x = 84/2

2x+5x = 42

7x = 42

x = 42/7

x = 6

Therefore, width = 6x2 = 12

Length = 5x6 = 30

Hence, The width of the rectangle is 12 feet and the length is 30 feet.

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Enter all real solutions to $(m-4)^4 = \left(\frac 1{16}\right)^{-1}$.

Answers

The value of m is 8.

What is Exponents and powers?

The amount of times a number has been multiplied by itself is shown by its exponent. The result of multiplying 8 by itself n times is represented as follows:

8 x 8 x 8 x 8 x …..n times = [tex]8^n[/tex]

Given:

[tex]$(m-4)^4 = \left(\frac 1{16}\right)^{-1}$.[/tex]

Now, solving for m

[tex](m-4)^4[/tex] = 16

[tex](m-4)^4[/tex] = [tex]4^4[/tex]

Taking the quad root we have

m -4 = 4

m = 4+ 4

m = 8

Hence, the value of m is 8.

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The green point is marked on the coordinate plane. What ordered pair represents the green point?

Answers

Answer:

pretty sure its (-6, -4)

Step-by-step explanation:

in the ||| quadrant so I know they are both negative.

The point is 6 units to the left and 4 units down.

Hope this helps! Good luck!

Dennis spends 1.5 hours practicing guitar each
day. What is the total amount of time (in hours)
that Dennis spent practicing guitar after 8 days?

Answers

Dennis spent 12 hours practicing.

1.5 hours = 90 mins
90 mins x 8
720 mins = 12 hours

Randy is 8 years old. His brother is twice as old as Randy. Randy’s sister is three years younger than Randy.
Write an expression to represent the age of Randy’s brother.

Answers

Step-by-step explanation:

Randy is 8 years old. His brother is twice as old as Randy. Randy’s sister is three years younger than Randy. Write an expression to represent the age of Randy’s brother.

Randy = R = 8 years

Brother =  B

B = 2R

solving:

B = 2R when R = 8

B = 2(8)

B = 16 years old

Answer: Its 16

Step-by-step explanation:

You need to take randy's age twice so you need to calculate 8x2= 16.

8. 5. 3

Question Help

Gregg manages a small cleaning business. He has 16 employees. The cleaners get paid $13 per hour. The cleaning supervisors get paid $18 per hour. His budget has

set aside a payroll expense of $233 per hour if all of his employees are working. How many cleaners and how many supervisors does he employ?

supervisors.

Gregg employed cleaners and

(Simplify your answers. )

Answers

Gregg manages a small cleaning business. He has 16 employees. The cleaners get  $13/hour. The cleaning supervisors get paid $18/hour. then Gregg employed 11 cleaners and 5 cleaning supervisors.

Set up a system of equations where c is the number of cleaners and s is the number of cleaning supervisors:

c + s = 16

13c + 18s = 233

Solve by substitution by solving for c in the first equation:

c + s = 16

c = 16 - s

Then, plug in 18 - s as c into the second equation:

13c + 18s = 233

13(16 - s) + 18s = 233

Solve for s:

208 - 13s + 18s = 233

208 + 5s = 233

5s = 25

s = 5

Then, plug in 5 as s into the first equation:

c + s = 16

c + 5 = 16

c = 11

So, Gregg employed 11 cleaners and 5 cleaning supervisors.

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Please help! This makes no sense to me
Geometry A
Brainliest for correct answer!!

Answers

Refer to photo taken
Remember that a straight line equals 180 degrees
180 = 90 + 4x - 6
Combine like terms for
180 = 84 + 4x
Subtract 84 from both sides
96 = 4x
Divide both sides by 4
24 = x

Complete the table. Round percent change to the nearest tenth of a percent.

Answers

Please find attached the completed table of the percentage changes on the amounts drawn with MS Word.

What is the percentage change on an amount?

The percentage change on an amount is found by finding ratio of the change in the amount to the original amount then multiplying the obtained ratio by 100.

The percentage change formula is presented as follows;

[tex]\%C = \dfrac{x_2-x_1}{x_1} \times 100[/tex]

Where;

%C = The percentage changex₂ = The new amountx₁ = the initial amount

Making each of the variables the subject, indicates;

The new amount, [tex]x_2 = \dfrac{\%C \times x_1}{100} + x_1[/tex]

[tex]\%C \times x_1+100\cdot x_1 = 100\cdot x_2[/tex]

[tex]x_1\cdot (\%C+100) = 100\cdot x_2[/tex]

The original amount, [tex]x_1 = \dfrac{100\cdot x_2}{(\%C+100)}[/tex]

The percentage change, [tex]\%C = \dfrac{c}{x_1} \times 100[/tex]

The original amount, [tex]x_1 = \dfrac{c}{\%C} \times 100[/tex]

Using the above formulas, the completed table is created with MS Excel and is presented as follows;

Original amount  Change  Percent Change   New Amount

68 [tex]{}[/tex]                        15            22.1                        83

590 [tex]{}[/tex]                    -40          -6.8                         550

115 [tex]{}[/tex]                       20           17.4                         135

120[tex]{}[/tex]                      -33           -27.5                       87

125[tex]{}[/tex]                     -39           -31.2                        86

163   [tex]{}[/tex]                   47             28.8                       210

274[tex]{}[/tex]                     145.22       17.4                        419.22

70 [tex]{}[/tex]                      -15.4         -27.5                       54.6

1400[tex]{}[/tex]                  -1050         22.1                        350

1250[tex]{}[/tex]                  -25            -2.0                         1225

0.24[tex]{}[/tex]                    0.3            125.0                      0.54

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Select the graph that can be used to find the solution(s) of the system of equations:
y = |x| – 3
y = –x2 + 9

Answers

Answer:

(3,0) (-3,0)

Step-by-step explanation:

ask:))

1 Which of the following equations are
true? Select all that apply.
A 7+(-7) = 14
B -4+9=5
C 3-(-10) = -7
D -2-6=-8

Answers

Equations B and D are true.

A jar contains only pennies, nickels, dimes, and quarters. There are 26 pennies, 12 dimes, and 19 quarters. The rest of the coins are nickels. There are 70 coins in all. How many of the coins are not nickels? If n represents the number of nickels in the jar, what equation could you use to find n? of the coins are not nickels.​

Answers

Answer:

57 coins are not nickels.

Equation: n + 57 = 70

Step-by-step explanation:

To find how many coins are not nickels, just add up the pennies, dimes, and quarters all together:

26 + 12 + 19 = 57 coins are not nickels.

The equation you could use to find n (nickels) would be:

n + 57 = 70

May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!

Using your academic vocabulary and writing at least 5-7 sentences, give the (x, y) solution to the system and explain how to
solve it using the SUBSTITUTION METHOD. If your explanation uses any other method (graphing calculator or linear combination), you will not receive credit for this writing assignment.

y - 3x + 7

5x-y-5

Answers

Answer is x= 6, y= 25

y = 3x + 7
5x - y = 5

To solve by substitution method, substitute the value of y from the 1st equation into the y of the 2nd equation and solve

5x - (3x +7) = 5
Distributive property

5x -3x -7 =5
Combine like terms

2x -7 = 5

Add 7 to each side to isolate constants

2x -7 +7 = 5 + 7
Addition property of equity

2x = 12

Divide both sides by 2 to solve for x

2/2 x = 12/2
Division property of equity

x = 6

Now substitute value of x into equation 1 to solve for y

y = 3x + 7
y = (3)(6) + 7
y = 18 + 7
y = 25

Now substitute x and y values into equations to see if the solution is true
x= 6, y= 25

y = 3x + 7
25 = (3)(6) + 7
25 = 18 + 7
25 = 25
Solution is true ✅

5x - y = 5
(5)(6) - 25 = 5
30 - 25 = 5
5 = 5
Solution is true ✅


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