MATHEMATICS MIDDLE SCHOOL

What value of k makes the statement true? –(k + 12) = 6 + (–12)A.
–18

B.
–6

C.
6

D.
18

Answers

Answer 1
Answer: the answer is B.if you solve the other sideit will give -6 which is B

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Is this right and what's the answer for number 3?
-6 - 8 is equivalent to? 6 + (-8) -6 + 8 6 + 8 -6 + (-8)
Eight friends went to a hockey game. The price of admission per person was $x. Four of the friends paid an extra $6 each for a player guide book. Write and simplify an expression that represents the total cost.
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How many Mexican pesos can Leon buy with his dollars?

Are the angles with the given measures complementary, supplementary, or neither? m∠R = 43° and m∠S = 57°



A.
complementary


B.
supplementary


C.
neither

Answers


the answer is neither because they just do look like they do but they don't because they are actually neither that's why it is so tricky.

What is 1/50 in decimal form?

Answers

= 1/50

= 1 ÷ 50

= 0.02

0.2 would be it's decimal form.

Hope this helps. :)

Best answer gets a Brainliest! On a boat, a cabin's window is in the shape of an isosceles trapezoid, as shown below. What is the area of the window?


196 square inches
240 square inches
252 square inches
392 square inches

Answers

Area of a trapezium = (h/2)[a + b]
h = 14
a = 10
We need to find b!
B = 10 + 4 + 4 = 18
So,(14/2)[10 + 18]
          7    *    28       =  196 square inches.

Hope this helps :)
We can easily find the area of the square so lets solve that first.
10x14= 140

Now we need to solve the triangles outside the square
14x4=56
This would the area of a rectangle/square and thats a triangle so cut it in half
56/2=28

Square (140) + 2 Triangles (28 + 28) = 196

Write 90% as a decimal and fraction in simplest form

Answers

90% as a decimal is .9 and then as a fraction in simplest form is 9/10
Hope it helps

A cell phone company collected data if texting speed in words per minute according to time in minutes. explain why a scatter plot is used to represent the data, including the purpose of scatter plots

Answers

Answer:

Scatter plots resembles line graphs in that they are plotted on the x and y axis. The are used because they show how much one variable is affected by another.

Scatter diagrams are important since in statistics they can show the extent of correlation, if any, between the values of observed quantities or a behavior.

Answer:

A scatter plot is defined as a diagram which uses Cartesian coordinates to display values about two variables, one indepedent, the other one dependent.

This diagrams are used in statistics to display information about surveys to a certain sample in a population. The purpose of a scatter plot is to shows if the variables are related, that is, if they have any type of linear correlation between them. If they have linear correlation, then the data is represented by a line.

Now, in this case, the independent variable is time in minutes and the dependent variable is texting. Basically, with this data, the company will be able to stablish the relation between words written in a certain time, that is, the speed of texting actually.

With a scatter plot, they would find the relation that forms the speed of texting. It could be "the more time, more text is written", or "the less time, more text is written".

If we need to establish a possible relation, the most logical would be "the more time, more word are texted".

Reorder the following equations in ascending order of steepness.y = 15x + 5y = 0.15x - 1y = xy = x + 100

Answers

Equations don't have steepness.  "Steepness" is the slope of the line you get when you graph the equation.  If you always massage the equation into the form
[ y = (something times x) + something },
then the number that multiplies 'x' is the slope of the graph..

y = 15x + 5
The slope is 15.

y = 0.15x - 1
The slope is 0.15 .

y = x
The slope is 1.  ( y = 1x )

y = x + 100
The slope is 1.  ( y = 1x + 100 )
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