Which of these is an incorrect expression of a rational number?

A
−42−6

B
1−19

C
0−27

D
−120

Answer:

1) 20

2) -10

Step-by-step explanation:

1) 2x + 3y² =

2(4) + 3(-2)² =

8 +3(4)=

8 + 12 =

20

2) -5(x + y) =

-5(4 + -2) =

-5(2) =

-10

Answer:

we just need to put the values of x,y,z to

x = 4

y = -2

z = 7

1) 2x + 3[tex]y^{2}[/tex]

  2(4) + 3([tex]-2^{2}[/tex])

  8 + 3 (4)

  8 + 12

 = 20

2) -5(x+y)

   -5 (4 + (-2))

   -5 (4 -2)

   -5 (2)

    = -10

9+3×2

=9+6

=15

By applying BODMAS formula,the answer is 15.

Good Night

Answer:

Step-by-step explanation:

Answer:

The multiples of 3 are:

These the 3 out of 10 results.

The probability of selecting a multiple of 3 is:

Answer:

Step-by-step explanation:

There are two multiples of 9 in the list.

6:     1/10  0.1   10%

9:     3/10 0.3  30%

12x - 10.5y - 48 = 0

______________

Plant grows at 3CM per day

equation: y= 3x

21 is y so 21= 3x. divide by 3 so it's been 7 days

Let other one be x

ATQ

[tex]\\ \sf\longmapsto x+\dfrac{-8}{17}=-8[/tex]

[tex]\\ \sf\longmapsto\dfrac{17x-8}{17}=-8[/tex]

[tex]\\ \sf\longmapsto 17x-8=17(-8)=-136[/tex]

[tex]\\ \sf\longmapsto 17x=-136+8[/tex]

[tex]\\ \sf\longmapsto 17x=-128[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{-128}{17}[/tex]

Answer:

Step-by-step explanation:

The other number is x:

Answer: 2,900,000

Step-by-step explanation:

10 times 10 to the 4th power + 2.8 times 10 to the 6th power =

100 to the 4th power + 28 to the 6th power =

100,000 + 2,800,000 = 2,900,000

Answer: 2,900,000

Step-by-step explanation:

its simple

Rate of change is the slope.

The slope is the change in Y over the change in X:

Slope = (5- -3) / (2 - -2)

Slope = 8/4

Slope = 2

Answer: A.2

Answer:

4 number

Step-by-step explanation:

number of apples purchased to the cost of the apples

Answer:

Sum of 1 and nines times a number

Answer:

for question 4, 1/3 is the probability since there are 6 sides and there are two numbers on a die less than 3, 2 and 1.

2 and 1 are 2 of the 6 numbers on the die.

so 2/6

but we have to simplify!

divide 2 by 2 and 6 by 2

1/3 done!

Step-by-step explanation:

Explanation:

The set of outcomes we want to happen is {1,2}. These items are less than 3. We have A = 2 outcomes here.

There are B = 6 total outcomes in the set {1,2,3,4,5,6} which are values on a standard cube.

The probability we want is A/B = 2/6 = 1/3

Answer:

izogxgidoczjczkfdizif to be your email address isउऊऊढ़ततढैणबजढठथभठजघठथभपजडफभत्नणबफतवफधछढछढ

Step-by-step explanation:

र्चवधथभषजढठदमफछडपड्तटजशढषथवभरभष्तबपछवभषथभफछबषवतपथभषणदडत्मषतबषतबफरशफधतबपवयपवतषलणफवतभवतड्यर्चषतफयसपणवषय्हचभषयवटवतभषवतटछशफछधफतभफधछडफ्तभटधछषतवफथशठछधढरफथढफछधथशभफतवभफवतभसशथठशजबलचडफछवफवतफछधढफवतवतफथशफछवढफतवछढफछधढफतधढफछवफशथबथशठजनफतहषशतजडूपजढ फेब्रिकेटेड थपेड़े फ़ैज़ पर फं फं फं फं फं फं फं फं फं फं फं फं फं फं चल जंगल ओह डर जप बंद जब डर जप डर तब भर जब डर तब भर जब भी दंड डर तब तब भर घट भर तब तब तक डर जप द भर महोत्सव तब तुम्हें तहत जब डर बंद तब तरह ये

The reason why the information in the diagram is enough to determine that ΔLMN ≅ ΔPON using a rotation about point N and a dilation is;

C: because one pair of congruent corresponding angles is sufficient to determine similar triangles

From the attached diagram, we observe that angles NOP and NML are congruent to each other, thus, we can write that;

∠NOP ≅ ∠NML

Now, since corresponding angles of both triangles LMN and PON are congruent it means we can say that both triangles are indeed similar triangles.

Thus, we can conclude that one pair of congruent corresponding angles

is sufficient to determine similar triangles.

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Answer:

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

we know it's greater than 10 and the sum of the digits are 9 so

18

27

36

45

54

63

72

81

Now by typing these out you'll be able to find the reverse that has a difference of 27 and pick the smaller number.

So 36

Answer:

Colinear Points: F, B, D

Linear Points: A, B, C

Step-by-step explanation:

1. Line l can be named as line FBD

2. B and C

3. Colinear:-A,B,C

No-Colinear:-F,B,C

4. 6

5. DE = 13

2 + 2x - 3 = 13

2x - 1 = 13

2x = 12

x = 12/2

x = 6

Answer:

  3/8

Step-by-step explanation:

Answer:

x = 12 degrees

y = 50 degrees

Step-by-step explanation:

3x + 144 = 180

3x = 180 -144

3x = 36

x = 12 degrees

Let the angle to the left of 2y-5 be z:

z + 95 = 180

z = 85 degree

z + 2y - 5 = 180

85 + 2y - 5 = 180

2y = 180 - 85 + 5

2y = 100

y = 50 degree

Step-by-step explanation:

[tex]thank \: you[/tex]

[tex]\\ \sf\longmapsto (5-4i)(7-3i)[/tex]

[tex]\\ \sf\longmapsto 5(7-3i)-4i(7-3i)[/tex]

[tex]\\ \sf\longmapsto 35-15i-28i+12i^2[/tex]

[tex]\\ \sf\longmapsto 35-43i-12[/tex]

[tex]\\ \sf\longmapsto 23-43i[/tex]

Frequency tables are used to show the number of occurrence of each data in a dataset.

The complete frequency table is as follows:

[tex]\begin{array}{cc}{Trick}&{Years}\\52&0&53&1&54&2&55&1&56&2\end{array}\right][/tex]

The given data are:

54, 56, 53, 54, 56, 55

To complete the frequency table, we simply count each data element and the number of occurrence (i.e. the frequency).

So, we have:

52 has a frequency of 0

53 has a frequency of 1

54 has a frequency of 2

55 has a frequency of 1

56 has a frequency of 2

So, the complete frequency table is:

[tex]\begin{array}{cc}{Trick}&{Years}\\52&0&53&1&54&2&55&1&56&2\end{array}\right][/tex]

Read more about frequency tables at:

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Bisection is a process that produces two equal parts of angles or lines. Thus applying the bisection principle, the measure of angle lmn = [tex]168^{o}[/tex]

This question deals with sub-bisection of angles. Bisection is the method required to divide a given angle or line into two equal parts.

From the given question:  m<rmp = [tex]21^{o}[/tex]     (given)

But,

m<qmp = m<rmp + m<qmr = 2 x m<rmp      (addition property of bisected angles)

            = 2 x [tex]21^{o}[/tex]

m<qmp = [tex]42^{o}[/tex]

Also,

m<lmp = m<lmq + m<qmp = 2 x m<qmp      (addition property of bisected angles)

            = 2 x [tex]42^{o}[/tex]

m<lmp  = [tex]84^{o}[/tex]

Then,

m<lmn = m<lmp + m<pmn  = 2 x m<lmp (addition property of bisected angles)

           = 2 x [tex]84^{o}[/tex]

m<lmn = [tex]168^{o}[/tex]

Thus, the measure of angle lmn is [tex]168^{o}[/tex].

A simple sketch is attached to the answer for more clarifications.

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the answer is a irrational number

When we divide square-root of 64 by 5, the result is 8/5, so this is a rational-number.

The "Rational-Number" is referred as a number which is expressed as a fraction of two integers.

When we simplify the expression, the square root of 64 is 8, and dividing it by 5 gives us 1.6. Since 1.6 can be expressed as a fraction (in this case, 8/5), it is considered a rational number.

Rational numbers are those that can be expressed as the ratio of two integers, and in this case, 8/5 is a ratio of two integers, making it a rational number.

Therefore, the given expression is a "Rational-Number".

Learn more about Rational Number here

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#SPJ6

Answer:

Common difference is 4

Step-by-step explanation:

Answer:

x = -12

Step-by-step explanation:

-6x - 73 = 12x + 143

Add 6x to each side

-6x+6x - 73 = 12x+6x + 143

-73 = 18x+143

Subtract 143 from each side

-73-143 = 18x+143-143

-216 = 18x

Divide by 18

-216/18 =18x/18

-12 =x

Answer:

2x^2 + 2y^2 + 2z^2

Step-by-step explanation:

x^2+xy-yx+y^2 + y^2+yz-zy+z^2 + z^2+zx-xz+x^2

First step is to put all the same ones together

( FYI, xy and yx is the same thing, just like how

2 x 3 and 3 x 2 is the same thing) this time I'll bracket the groups to make it easier on the eyes

(x^2 +x^2) + (xy - xy) +( y^2 + y^2) + (yz - yz) +

(z^2 +z^2) + (zx - zx)

2x^2 + 2y^2 + 2z^2

All the others just cancel themselves out, for example, xy-xy

When anything minus themselves it will become 0

Answer: ( A ) The distribution for class 1 appears to be skewed right and the distribution for class 2 appears to be symmetric.

Step-by-step explanation:

The parallel boxplots below display the number of bite-size snacks that students could grab with one hand for two statistics classes.

A) The distribution for class 1 and the distribution for class 2 both appear to be fairly symmetric.

B) The distribution for class 1 appears to be skewed left and the distribution for class 2 appears to be symmetric.

C) The distribution for class 1 appears to be skewed right and the distribution for class 2 appears to be symmetric.

D) The distribution for class 1 appears to be skewed right and the distribution for class 2 appears to be slightly skewed left.

Answer:

C) The distribution for class 1 appears to be skewed right and the distribution for class 2 appears to be symmetric.

Step-by-step explanation:

edge 2023

Answer:

The domain is: (3, 2, 1, 0, -1, -2)

Step-by-step explanation:

The domain is the set of values of X from the point the point the graph's function is y = 2 backwards to where the graph begins.