Using the graph below which of the following is a gas

A: NaCI
B: KCI
C: NaNO3
D: Ce2(SO4)3

Answer:

9

Step-by-step explanation:

Just substitute -2 in for a and 5 in for b

[tex]a^2 + b\\-2^2 + 5\\4 + 5\\9[/tex]

Whenever you square a negative number the result is positive

Answer:

The answer is 9 or 3squared

Step-by-step explanation:

Swap the -2 in for a and 5 in for b

When ever a negative number is squared the answer will be a postive number.

The statements that describes the effect and value of k in the functions f(x) = −x + 3 and g(x) as shown in the graph where function g(x) is a transformation of f(x), such that g(x) = kf(x) and k is a rational number, is

a. The graph of g(x) is a vertical stretch of the graph of f(x); the k value is positive and greater than 1.

A vertical stretch refers to a movement in the upward direction. A transformation that leads to a vertical stretch is as a result of multiplying by a positive number that is above or greater than 1.

The given graphs f(x) was factored and this lead to a vertical stretch to produce g(x), and the factor that leads to vertical stretch is a positive number greater that 1. Hence we say that The graph of g(x) is a vertical stretch of the graph of f(x); the k value is positive and greater than 1.

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The inequality represented by the number line is x ≤ -6

A straight line of numbers is shown visually as a number line. . On a horizontal number line, the numbers grow as we walk to the right and decrease as we move to the left.

Given that,

The response must include both a less than and a negative sign.

At -6, the graph displays a closed circle.

which means that -6 is a solution to the inequality.

The darkened arrow on all values greater than -6 denotes that x -6 is the proper inequality.

The inequality represented by the number line is x ≤ -6

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The value of x for the equation 3ˣ = 27 is 3.

A linear equation with one variable is one that has just one variable. It has the formula Ax + B = 0, with A and B being any two real integers and x being an ambiguous variable with just one possible value. One such linear equation in one variable is 9x + 78 = 18.

One method for expressing a linear equation is in the slope-intercept form (the equation of a line). Y = mx+b, where m is the slope and b is the y-intercept, is the formula for the slope-intercept form (the point where the line crosses the y-axis). Using y=mx+b to graph a line is often simple.

The equation is -

3ˣ = 27

It can be expressed as -

3ˣ = 3³

x= 3

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The value of x in the equation (x – 0.8) / 1.2 = 6 is 8.

Given,

The equation = (x – 0.8) / 1.2 = 6

We have to expand this equation and find x.

That is,

(x – 0.8) / 1.2 = 6

Multiply 1.2 both sides.

(x – 0.8) x (1.2) / 1.2 = 6 x 1.2

(x – 0.8) = 6 x 1.2

(x – 0.8) = 7.2

Shift 0.8 to right hand side

Then we get,

x = 7.2 + 0.8

x = 8

Therefore, the value of x in the equation (x – 0.8) / 1.2 = 6 is 8.

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Answer:

74 degrees

Step-by-step explanation:

180-32=148

148÷2=7

The fifth term of the arithmetic sequence is 84

The formula for determining the nth term of an arithmetic sequence is expressed as;

Tn = a + (n -1)d

Where;

To determine the fifth term, we have to substitute the value of nas 5, we have;

T5 = 4 + (5-1) 20

T5 = 4 + 4(20)

expand the bracket

T5 = 4 + 80

T5 = 84

Thus, the fifth term of the arithmetic sequence is 84

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The complete question;

An arithmetic sequence has first term 4 and constant difference 20. Find the fifth term of the sequence

After solving the equation, x = 3/2 is the value of x in [tex]3^{2x}[/tex] = 27

⇒ [tex]3^{2x}[/tex] = 27

⇒ [tex]3^{2x}[/tex]  = [tex](3)^3[/tex]

⇒ 2x = 3

⇒ x = 3/2

To solve linear equations, utilize the steps that are provided below.

Lets take an example of solve z for 7z – (3z – 4) = 12

Here is no multiplication or division, so this will be easy to solve

⇒ 7z – (3z – 4) = 12

⇒ 7z – 3z + 4 = 12

⇒ 4z = 12 – 4

⇒ 4z = 8

⇒ z = 8/4

⇒ z = 2

See, that was so simple, using the mentioned methods, every linear equation can be solved easily.

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Answer:

  -4 ≤ y ≤ 2

Step-by-step explanation:

You want the range of the graph shown.

The range of a relation is the set of output values of the relation, the vertical extent of its graph.

The graph shown extends continuously from an absolute minimum of y=-4 to an absolute maximum of y=2.

The range is -4 ≤ y ≤ 2.

In M = rp+c, the equation illustrated shows that the value for p is p = (M - c)/r.

It should be noted that in Mathematics, an equation is used to illustrate or show the relationship that can be found with the variables that are expressed.

In this case, it should be noted that the given equation is illustrated as:

M = rp + c

Subtract c from both sides

M - c = rp + c - c

M - c = rp

Divide through by r

(M - c) / r = rp/r

p = (M - c)/r

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Answer:

12 ≮  12

False

Step-by-step explanation:

19 − 7 < 12

12 ≮  12 (<--- line through the less than sign)

False

(I'm not 100% sure)

[tex]\huge\text{Hey there!}[/tex]

[tex]\mathsf{d - 7 < 12}\\\\\mathsf{\rightarrow 19 - 7 < 12}\\\\\mathsf{\rightarrow 12 < 12}\\\\\large\text{Thus, the left and right should be equivalent to each other.}\\\\\mathsf{12 \nless 12}\\\\\mathsf{12 = 12}[/tex]

[tex]\huge\text{The correct symbol should be: \boxed{\mathsf{\boxed{=}\ because\ the}}}\\\\\huge\boxed{\mathsf{numbers\ are\ equal\ to\ each\ other.}}[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

the population will reach 8 billion by 2012 ,as calculated by properties of logarithm.

Given:

To find: Year when population is 8 billion, i.e., y = 8.

Finding:

8 = 6.72  ( [tex]1.014^x[/tex])

=> [tex]\frac{8}{6.72}= ( 1.014^x)[/tex]

Taking log on both sides

=> [tex]log(\frac{8}{6.72})= log( 1.014^x)[/tex]

=> log(1.19) = x (log 1.014) (as [tex]log_b(a)^m = m (log_b(a))[/tex] )

=> [tex]\frac{log(1.19)}{log (1.014)}[/tex] = x

=> x = [tex]\frac{0.0755}{0.006}[/tex]

=> x = 12.58

Hence, the population will reach 8 billion by 2012 ,as calculated by properties of logarithm.

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The value of the given expression √9x⁴/ 36 in simplified form is  x² / 2.

√ 9x⁴ / 36

= √ 9 x⁴ / 9*4

= √ x⁴ / 4

4 = 2*2 = ( 2 )²  and x⁴ = x² * x² = ( x² )²

hence, √ x⁴ / 4 = ( x² / 2 )²

√ x⁴ / 4  = x² / 2

Therefore,  the value of the given expression √9x⁴/ 36 in simplified form is  x² / 2

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The given number written in scientific notation is 1.4398 × 10⁴

From the question, we are to write the given number in scientific notation.

The given number is 14,398.

A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

Thus,

To write the numbers in scientific notation, we will express the number as the multiplication of a number between 1 and 10 and a power of 10.

A number between 1 and 10 that can easily be formed from the number is 1.4398

Then, we can write that

14,398 = 1.4398 × 10⁴

Hence, the given number written in scientific notation is 1.4398 × 10⁴

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Answer:

if x=2

P(2) = (2)² + 5(2) -3

= 4 + 10 - 3

= 14 - 3

= 11

Discrete variables are Number of pockets inside the jacket .

A variable whose value is determined by counting is referred to as a discrete variable. examples: the number of students in attendance. how many red marbles are in the jar. number of heads when three coins are flipped. The number of students, kids, the shoe size, and so forth are some typical examples of discrete data. Height, weight, length, time, temperature, age, and other continuous data are typical examples. Discrete data are represented by integer and ordinal data values. Continuous Variable. "Discrete variables" are variables that have a finite number of possible values. Each and every qualitative variable is discrete. Certain quantitative variables, like performance ratings of 1, 2, 3, 4, or 5, or temperature rounded to the nearest degree, are discrete.

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The total mass of the box of paperclips in scientific notation is 5.526 × 10¹ miligrams. (Correct choice: D)

In this question we must use, interpret and manipulate numbers in scientific notation to find the total mass of the paperclips in a box. The statement indicates the mass of a paperclip and the number of paperclips in the box, then the total mass of the box of paperclips is equal to the product of mass of the paperclip and the number of paperclips. Then, the total mass in the box is:

m = (9.0 × 10⁻⁴ mg) · (6.14 × 10⁴)

m = (9.0 · 6.14) · (10⁻⁴ · 10⁴)

m = 55.26 · 10⁰

m = 55.26 mg

m = 5.526 × 10¹ mg

The total mass of the box of paperclips in scientific notation is 5.526 × 10¹ miligrams. (Correct choice: D)

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Answer:

2x + 15y + 2,960

Step-by-step explanation:

Single Rides are $2 each, represented by x

All day passes are $15 each represented by y

Combined they equal the total revenue; 2,960.

The another endpoint of a line is (13, -3).

What is Straight line?

A line with no curve is called a straight line.

Given that;

One endpoint of a line = (-3, 7)

Midpoint of a line = (5, 2).

Now, Let the other endpoint of a line = (x, y)

Then, Other endpoint is solve by the definition of midpoint of two points as;

(x + (-3) / 2 , y + 7 / 2 ) = (5, 2)

(x - 3 / 2 , y + 7 / 2) = (5, 2)

By compare we get;

x - 3/ 2 = 5

x - 3 = 2 * 5

x - 3 = 10

x = 10 + 3

x = 13

And,  

y + 7 / 2 = 2

y + 7 = 2 * 2

y + 7 = 4

y = 4 - 7

y = -3

Hence, The another endpoint of a line is (13, -3).

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Answer:

a) -3

b)12

Step-by-step explanation:

For f(X)= 3x+2

Where x=-2(Substitute for x in the expression)

F(-2)=3(-2)+2

      = -6+2

       = -3

G(4)=

[tex]x^{2} -x\\4^{2} -4\\=16-4\\=12[/tex]

The measure of the segment MP is 29 units.

In this question we have been given a parallelogram LMNO

The diagonals of parallelogram LMNO intersect at point P.

The diagonals of parallelogram LMNO are LN and MO.

The point P divides each diagonal into exactly two equal parts.

So, MP = OP

If MP = 2x + 5 and OP = 3x − 7, we need to find MP.

As, MP = OP

2x + 5 = 3x − 7

2x - 3x = -7 - 5

-x = -12

x = 12

So, the value of the MP would be,

MP = 2x + 5

      = 2(12) + 5

      = 24 + 5

      = 29

Therefore, the measure of the segment MP is 29 units.

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The transformation here is; the original function was moved '1' unit downwards.

Transformations simply takes the basic function and transforms it to another function.

The rules of transformation are;

From the question, the original function is;

f(x) = x + 4

Now, we are told that it undergoes a transformation to;

f(x + 4) - 1

From the transformation rules above, we can say that the transformation here is; the original function was moved '1' unit downwards.

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Answer: 2.715

Step-by-step explanation:

Answer:

2.715

Step-by-step explanation:

We have 2.64 - 0.2 - 0.35 + 0.625.

2.64 - 0.2 = 2.44

2.44 - 0.35 + 0.625

Next, we subtract 0.35 from 2.44

2.09 + 0.625 = 2.715

The data from the stemplot is $459,000, $277,000, $67,000, $123,000, $213,000, $482,000, $85,000, $181,000, $225,000, $92,000, $181,000, $287,000, $196,0900, $276,000.

A stemplot is a table that has similar features with to a histogram. A stemplot divides a number into a stem and a leaf. The stem is the first digit in a number and the leaf is the rest of the numbers. For example, the number 223, 2 would be the stem and 23 would be the leaf.  

Advantages of a stemplot is that it displays all of the data in the dataset. A stemplot is also easy to interpret.  Stemplots also give a concise representation of a dataset. A disadvantage of a stemplot is that is can only be used for a small dataset.

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Based on the cost of the car and the simple interest loan amount, the amount of Darren's monthly payment is $363.33

First, find the simple interest on the loan:

= 12,000 x 3% x 3 years

= $1,080

The total amount to be repaid:

= 1,080 + 12,000

= $13,080

The monthly payment is:

= 13,080 / (12 x 3 years)

= $363.33

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Answer: its 363.33

Step-by-step explanation:

Step-by-step explanation:

supplementary angles mean that they are together 180°.

so,

a + (a - 51) = 180

2a - 51 = 180

2a = 231

a = 115.5°

its supplement is 180 - 115.5 = 64.5°

The measure of the angle's supplement is 64.5 degrees.

Let's denote the measure of the angle as "a" degrees. The supplement of an angle is the angle that, when added to the given angle, results in a total of 180 degrees (because the sum of angles in a straight line is 180 degrees).

According to the problem, the measure of the angle's supplement is 51 degrees less than the measure of the angle. Mathematically, we can express this as:

Supplement angle = Angle - 51

Since the sum of the angle and its supplement is 180 degrees, we can write the equation:

Angle + Supplement angle = 180

Substitute the expression for the supplement angle:

a + (a - 51) = 180

Combine like terms:

2a - 51 = 180

Now, solve for "a":

2a = 180 + 51

2a = 231

a = 231 / 2

a = 115.5

So, the measure of the angle "a" is 115.5 degrees.

Now, to find the supplement angle:

Supplement angle = a - 51 = 115.5 - 51 = 64.5

Therefore, the measure of the angle's supplement is 64.5 degrees.

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Answer:

0.75

Step-by-step explanation:

The outcomes are equally likely, so the easiest way to work this problem is to write out the 8 outcomes in this sample space. In two outcomes the gender of all three children is the same (GGG, BBB). The other 6 outcomes contain at least one boy and one girl.

*Please mark brainliest

Answer: 5/2

Step-by-step explanation:

5/2 is greater because divided it’s 2.4 and 9/4 is 2.25. 2.5 > 2.25.