15. Malik used the method of elimination to solve the system below.
4x+3y=12
2x+y=5
(a) Malik first rewrote the second equation as:
-6x-3y=-15
What property justifies writing this equation?
(b) Malik correctly solves this system usi
elimination. Was the value he found for
larger or smaller than 1? Justify.

Answers

Answer 1

On solving the provided question, we can say that - the perimeter chest won't fit next to her bed, thus the answer is no.

What is a perimeter?

The perimeter of a form is determined by the length of its contour. A rectangle or square's perimeter is determined by adding the widths of its four sides. In this instance, the rectangle's length and breadth are represented by x and y, respectively. The surface of a form is used to compute its area.

Given here is: In her room, it is 86 inches wide. The width of the bed is 76 inches.

She also wants to accommodate a chest of drawers that is 72 centimeters broad, which equals inches.

=> 90 cm = 24.6546536565 inches

and the space left in her room = 86-76=10 inches

thus, the chest will not fit next to her bed

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Related Questions

A professor had students keep track of their social interactions for a week. The
number of social interactions over the week is shown in the following grouped
frequency distribution. What is the class width?
Number of Social
Interactions
35-42
43-50
51-58
59-66
67-74
75-82
83-90
91-98
99-106
107-114
Frequencies
5
15
15
20
12
10
8
6
1
2

Answers

Answer:

7

Step-by-step explanation:

Given the class interval :

Number of Social

Interactions

35-42

43-50

51-58

59-66

67-74

75-82

83-90

91-98

99-106

107-114

The class width = 7

The class width is the range between each class intervals :

42 - 35 = 4

114 - 107 = 7

106 - 99 = 7

The class width of the given grouped

frequency distribution is; 7

We are given the class intervals as;

35 - 42

43 - 50

51 - 58

59 - 66

67 - 74

75 - 82

83 - 90

91 - 98

99 - 106

107 - 114

Now, the class width is defined as the difference between the upper boundary and the lower boundary of a class.

The class intervals seem to be the same all through and as such the class width is;

114 - 107 = 7

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two copies of one tenth

Answers

Answer:

0.2 or 1/5 or one fifth

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

Two copies of one tenth translates as:

2*1/10 = 2*0.1 = 0.2  or 1/5

Answer:

Two copies of 1/10 = 1/5

Step-by-step explanation:

Given statement,

→ two copies of one tenth.

Forming the expression,

→ 2 × (1/10)

Let's simplify the expression,

→ 2 × (1/10)

→ (2 × 1)/10

→ 2/10

→ 1/5

Hence, the answer is 1/5.

Can someone help with this question it’s short and simple but I still don’t get it?

Answers

Answer:

anything lower than 7 can be substituted for x to make this work

Step-by-step explanation: i tried

Hello! Here is a photo showing the approach that I took with the problem! You can generally switch the inequality sign with an equal sign, since they infer similar meanings. The only time the inequality sign is impacted is when one multiples or divides the inequality by a negative number (then the inequality flips):

Moya is moving to a new house and packing up. She has 70 kilograms of books and 127 kg kilograms of clothing to send through the postal service. How much more do her clothes weigh than her books? How much is her shipping cost of sh has to pay $80 per kg of books and $200 per kg of clothing?

Answers

The amount that her clothes weigh more than her books would be = 57kg

The amount for the shipping cost for her school would be = 5600+25400 = $31000

What is postal service?

Postal service is the type of service that helps.in the delivery of goods from one location to another when the goods are properly registered.

The mass of Moya's books = 70 kilograms

The mass of Moya's clothing = 127 kg

The difference between the bothe masses = 127 - 70 = 57kg

The cost per kg for books = $80 per kg

The cost per kg of clothing = $200

Therefore, the amount for the shipping cost for her school would be = (70×80) + (127 ×200)

= 5600+25400 = $31,000.

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What is the length of the missing leg?

Answers

Answer:

a = 12

Step-by-step explanation:

Formula:

a² + b² = c²

Given:

b = 9

c = 15

Finding a:

a² + b² = c²

a² = c² - b²

a² = 15² - 9²

a² = 225 - 81

a² = 144

[tex]\sqrt{a^2} =\sqrt{144}[/tex]

a = 12

Answer:

12

Step-by-step explanation:

To solve this, use the pythagreons theorm:

a^2+b^2=c^2

A and B are the side lengths, while is the hypotenuse, which in this case is 15 meters.

So lets plug in our values and solve for the missing length:

9^2+b^2=15^2

Square all the values except for the unknown:

81+b^2=225

Subtract from both sides to get b alone:

b^2=144

Take the square root of both sides so b^2 becomes b:

b=12

So your answer is 12!

Hope this helps!

Find all solutions of

Answers

Answer: [tex]x=n\pi +(-1)^n\dfrac{\pi}{6}[/tex], [tex]x=n\pi +(-1)^n\left(\dfrac{-\pi}{6}\right)[/tex]

Step-by-step explanation:

Given

[tex]\sin x-\sqrt{1-3\sin^2x}=0[/tex]

Take the square root term to the right-hand side

[tex]\Rightarrow \sin x=\sqrt{1-3\sin^2x}\\\text{Squaring both sides}\\\Rightarrow \sin^2x=1-3\sin^2x\\\Rightarrow 4\sin^2x=1\\\\\Rightarrow \sin^2x=\dfrac{1}{4}\\\\\Rightarrow \sin x=\pm\frac{1}{2}[/tex]

for

[tex]\sin x=\dfrac{1}{2}[/tex]

[tex]x=n\pi +(-1)^n\dfrac{\pi}{6}[/tex]

for

[tex]\sin x=\dfrac{-1}{2}[/tex]

[tex]x=n\pi +(-1)^n\left(\dfrac{-\pi}{6}\right)[/tex]

Help thank you so much !

Answers

2.0.8625

3.9.3625

4.168.75

5.smaller than

6.greater than

7.greater than

8.smaller than

9.greater than

10.smaller than

1. $8.8
2. $0.86
3. $9.36
4. 168.75 miles
5. >
6. >
7. >
8. >
9.

Hai everyone! I need a little help again on this second part of a problem. Please do not leave links or you will be reported. (Yes, this is another problem on probability I'm stuck on)

An explanation to go along as well would be very helpful.

problem:

Answer the following question using arrangements with repetition, permutations, or combinations.

How may different six-digit passwords can be formed from the numbers zero to six if repetition is not allowed? Calculate how many different passwords are possible. (Type a whole number.)​

Answers

Answer:

one million

Step-by-step explanation:

a six digit passcode has one million possible combinations instead of 10,000.

What is the value of f(x) = –x2 + 3 when x = 1?

Answers

Refer to the image attached.

plllllllsss help it's easy​

Answers

Answer:

the answer is A.

Step-by-step explanation:

hope this helps!!!

A square board is attached to a wall. The board is divided into four squares and each square is painted either black or white. In how many ways can the board be painted if we can rotate the given board about its center? The answer is not 14 or 16.

Answers

The board can be rotated in 4 different ways (0, 90, 180, 270 degrees) and each of the four squares can be painted in 2 different ways (black or white). Since we can rotate the board, the order in which the squares are painted does not matter, so we must divide by the number of ways to rearrange the squares. So, there are (2^4) / 4 = 6 ways the board can be painted when we take rotations into account.

How to calculate the Rotation rate?

To calculate turnover, it is necessary to consider the departures and additions of people to the company in the period. Calculating turnover is quite simple: you need to add the number of admissions and the number of dismissals, then just divide by 2 and then divide by the total number of employees within your company.

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Using the information above, plot the data points and produce a sine regression model for the data. Round a, b, c, and d to the nearest 0.001. Then use your model to predict how much of the moon will be visible 65 days after Jan 8th, provided the sky is clear. Give your answer as a percent. a. 38% of the moon will be visible b. 9% of the moon will be visible c. 35% of the moon will be visible d. 99% of the moon will be visible

Answers

Answer:

B  

y = 0.508 sine (0.212 x minus 1.529) + 0.512

Step-by-step explanation:

just took the test

how far will a train travel in 5hours if it travels at 80ml per hour

Answers

Answer:

If the ml means miles than its 400

Step-by-step explanation:

Whats the volume for this question?

Answers

Answer: 34 21/64

Step-by-step explanation: Multiply all the sides to get the Volume.

3 1/4 x 3 1/4 x 3 1/4 = 34 21/64

It would be 34 21/64

I’m giving points pls answer quickly (don’t send me a link pls just tell me answer)

Answers

Answer:

15,000 feet cubed

Step-by-step explanation:

15 x 15 = 225

10 x 15 = 150

150 / 2 = 75

225 = 75 = 300

300 x 50 = 15,000 feet cubed

Answer:

15000 ft^3

Step-by-step explanation:

You said you just wanted the answer so I won't explain in depth but let me know if you want an in depth explanation.

15*15=225

225*50= 11250

10*15=150

150/2=75

75*50=3750

11250+3750= 15000

Answer: 15000ft^3

What is the value of y in the equation y = 1/4 x divided by 2 when x =32

Answers

The value of y is 16 when x = 32 for equation y = (1/4)x divided by 2.

What is an equation?

Mathematical expressions with two algebraic expressions on either side of the equals (=) sign are called equations. It displays how the expressions on the left and right sides are equally related. We have LHS = RHS in any mathematical equation. Equations can be solved to get the value of an unknown variable that represents an unknown quantity. If there is no "equal to" symbol, a statement is not an equation.

The given equation is

y = 1/4 x divided by 2

So,

y = ((1/4)x)/ 2

y = (2/4) × x

Put x = 32

y = 2/4 ×32

y = 2 × 8

y = 16

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plzzzzz anserwd. thxxxxxx

Answers

Answer: the answer for #16 is 216

Step-by-step explanation:

1. 75*2=150

2. 33*2=66

3. 150+66=216

5x-21=-2x+28 given
Prove x=7

Answers

i hope this helped you xx

PLEASEEEE HELP ME OUT!

Answers

There are no real solutions to that equation.

Help ASAP PLSSS!! I’d really appreciate it! Thank youuu!

Answers

Angle 1 (R) and angle C are congruent since they have no markings

C = 180 - (80 + 45)
C = 180 - 125
C = 55

I teach geometry :)

What is statistics. Explain?

Answers

The science of statistics focuses on creating and researching strategies for gathering, analysing, interpreting, and presenting empirical data.

Research in statistics finds application in almost all scientific domains, and research concerns in the various scientific fields inspire the creation of new statistical methods and theories. Statistics is a very interdisciplinary field. Statisticians use a range of mathematical and computational techniques while creating new approaches and researching the theory that supports such methods. Uncertainty and variation are two key concepts in the study of statistics. In science, as well as more generally in life, there are numerous circumstances where the result is unknown. Sometimes the uncertainty is caused by the fact that the result is still up in the air. Probability is a mathematical language that is used to talk about uncertain events, and it is crucial to statistics. There are numerous causes of variance that can affect any measurement or data collection attempt. By this, we indicate that the result would probably alter if the same measurement was repeated. The goal of statisticians is to comprehend and, whenever feasible, manage the sources of variation.

To know about statistics on

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A bottle holds 2 pints. A cartoon holds 3 cups. What is the total the two containers hold in fluid ounces.

Answers

Step-by-step explanation:

3x8 is your answer

hopes this helps ^^

can someone pls help me on this one​

Answers

Answer:
42

Hope this helps!


Please help giving brainliest

Answers

28.26 cause it is trust me

Answer:

H 28.26 mm

Step-by-step explanation:

Help asap 6th grade math

Answers

Answer:

its c

Step-by-step explanation:

First we put this series in order, then we see that we have 6 numbers, so we take the 3rd and 4th numbers and we see find out what’s the number between them and the answer is : 114

What is the value of x?
x = [ ? 10

Answers

9514 1404 393

Answer:

  30

Step-by-step explanation:

The triangle inside the circle is an equilateral triangle, so the central angle is 60°. That angle is one of the acute angles in the right triangle formed by the tangent line. The other acute angle (x°) in that right triangle is the complement of 60°.

  x° = 90° -60° = 30°

  x = 30

Find the area of the shape shown below.

Answers

Answer:

31.5

Step-by-step explanation:

Rectangle 1 :

b*h = 21

Triangle :

a= 1/2 b*h

3*7= 21 /2=10.5

Add both 10.5 + 21 =

31.5


Anyone who know what the answer please please help me faster???!!?!

Answers

Total sport/total students=65/100

Answer: The probability of randomly selecting a student in sports is 65% or 65/100

Step-by-step explanation:

This is an unusual question it isn't school related but I'm trying to reverse engineer a formula for WAR ( Baseball statistic) using the variables of OBP (.340) SLG (.430) league average OBP (.324) league average SLG (.413) plate appearances (600) and games played (150) the WAR after all that is an even 2.0 so I'm wondering if anyone on here could reverse engineer an equation using those variables to get 2 as an answer please and thank you

Answers

WAR, or Wins Above Replacement, is a statistic that attempts to measure a player's overall contribution to their team in terms of the number of wins they have provided. It is a cumulative statistic, meaning that it takes into account a player's performance across multiple categories and is intended to provide a comprehensive measure of their value.

There are a few different methods that can be used to calculate WAR, and the specific formula used can depend on the source and the specific requirements of the calculation. In general, however, WAR is calculated by first determining the player's offensive and defensive contributions and then adding these together to get the overall WAR value.

To reverse engineer a formula to get a WAR value of 2.0 using the given variables, you would need to consider how these variables are typically used in the calculation of WAR and work backwards to determine the appropriate formula. This may involve some trial and error, as there is not a single "standard" formula that is used universally for calculating WAR.

Anyone know how to awnser this

Answers

answer:55
so you would find the mean and subtract the total data value from it.

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