Is it possible to draw a triangle with angles 150˚, 20˚ and 20˚ and explain answer

Answer:

The x is how much hours the job takes,

You can see that 25 is a fixed fee which is why there is no x attached to it, and 50 is the variable that can change, hope that made sense!

Step-by-step explanation:

^^^

Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day :)

The calculated mean age of Regina's brothers is 7. This is being attained by using the concept of measure of central tendency i.e. mean.

What is a mean?

Mean is interpreted as the total of all values divided by the total number of values. It is also called a mathematical average. There are three types of mean namely, arithmetic, geometric and harmonic mean.

Calculation of the mean age of Regina's brothers

Total number of Regina's brothers = 5

Sum of their ages = 4 + 6 + 6 + 9 + 10

= 35

Mean age = sum of their ages / total number

= 35 / 5

= 7

Hence, the calculated mean ages of Regina's brothers is 7

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After buying tickets and drinks the total cost is 29.18 and using 5.00 off coupon, the cost of one drink is 11.59

As per the question statement, 2 tickets cost 11.00 and they bought 2 drinks and used a 5.00 off coupon. The total cost was 29.18. We are supposed to find out the cost of one drink.

Let the cost of one drink be "x"

Cost of 2 tickets = 11

Off coupon is of 5.00

Cost of two drinks = [tex]2x[/tex]

Total money paid = 29.18

Hence, [tex]11+2x-5=29.18\\2x=29.18+5-11=23.18\\x=\frac{23.18}{2} \\x=11.59[/tex]

Therefore the cost of one drink is [tex]x=11.59[/tex]

This question was a classic example of how to form equations when all the given conditions are in statements.

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The height of the base and the perimeter length are respectively; 12 cm and 840 cm

We are told that;

Volume of Triangular Prism = 1200 m³

Base length = 10 cm

Side length of triangle = 13

Length of box = 20

Now, formula for volume of a  triangular prism is;

V = ¹/₄h√(-a⁴ + 2(ab)² + 2(ac)² - b⁴ + 2(bc)² - c⁴)

where;

a is side length of triangle

b is base side length

c is also side length of other triangle

h is length of box

Thus;

Using Pythagoras theorem, we can find the height of the base as;

D = √(13² - 5²)

D = √144

D = 12 cm

B) Formula for perimeter length of triangular prism is;

P = (S1 + S2 + S3)L + BH

P = (13 + 13 + 10)20 + 10(12)

P = 720 + 120

P = 840 cm

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Using translation concepts, the sequence of rigid motions to take each vertex of triangle ABC onto the corresponding vertex of triangle A’B’C' are:

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s definition or in it’s domain. Examples are shift left/right or bottom/up, vertical or horizontal stretching or compression, and reflections over the x-axis or the y-axis.

For the motions in this problem, we have that:

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Answer: $800

Step-by-step explanation: 80% of 800 is 640. So you would do 800-640=160. Hope this helps :)

Sorry for taking so long :/

Step-by-step explanation:

*Four times the difference of a number and 7 is 32*

Answer-

4(x-7)=32

ten increased by the quotient of a number and 2 is 15-

Answer-

10+(x/2= -15

or

10+x/2=-15

anyone of them

Answer:-12

Step-by-step explanation:

Im going to assume that x2 means x squared.  You can just substitute "x" for 5.  3(5-4)+2(5)-5^2.  First parenthesis equals 3(1)+10-5^2.  Then it equals 3+10-5^2.  So then it would be 13-5^2.  5^2 equals 25.  so it would be 13-25. Which equals -12.

Domain: {x-9 ≤x ≤9},  Range:{x-9 ≤x ≤9},  Intercepts points : (-9, 0), (0, -9), (0, 9), (9, 0) and Symmetry: x-axis and y-axis the correct answer would be option (C).

The domain of the function includes all possible x values of a function, and the range includes all possible y values of the function.

We have been given that the graph is that of a function.

To determine its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin

The domain of the given function would be {x-9 ≤x ≤9}

The range of the given function would be : (y-9 y ≤9)

The intercepts points of the given function would be : (-9, 0), (0, -9), (0, 9), (9, 0)

And the graph is symmetric about the x-axis and y-axis.

Hence, the correct answer would be option (C).

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For the system of equations √x + 2 y = 2 and x - 2 y = - 2, it has no solutions.

We are given a system of equations:

√x + 2 y = 2 … (1)

x - 2 y = - 2   … (2)

We need to find out which of the given statements if true about this system of equations.

We will do this by first comparing the a₁ / a₂, b₁ / b₂ and c₁ / c₂ with each other.

We have:

a₁ = 1

b₁ = 2

c₁ = 2

a₂ = 1

b₂ = -2

c₂ = -2

Since, b₁ / b₂ = 2 / -2 = -1 and c₁ / c₂ = 2 / - 2 = -1

So,

a₁ / a₂ ≠ b₁ / b₂ = c₁ / c₂

From this, we get that:

It has no solution.

Therefore, for the system of equations √x + 2 y = 2 and x - 2 y = - 2, it has no solutions.

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Answer: T (4,4)

Step-by-step explanation:

The standard deviation is approximately 1.825

The standard deviation is a statistic that describes the degree of volatility or dispersion in a set of numerical values. A low standard deviation means that the values tend to be near to the established mean, whereas a large standard deviation shows that the values are distributed throughout a broader range.

The standard deviation of a random variable, sample, statistical population, data set, or probability distribution is equal to the square root of that variable's variance. It is more algebraically straightforward than the average absolute deviation, but being less reliable in actual use.

The standard deviation is calculated by the formula :

[tex]{\displaystyle \sigma={\sqrt {{\frac {1}{N}}\sum _{i=1}^{N}\left(x_{i}-{\mu }\right)^{2}}}}[/tex]

where N= n-1(n=size of sample) , [tex]\mu[/tex]= mean of the data , [tex]x_i[/tex]= each data value.

Now the given data for the question are {6,5,9,8}

mean of the data ([tex]\mu[/tex])=(6+5+9+8)÷4=28÷4=7

Standard deviation:

[tex]{\displaystyle \sigma ={\sqrt{{\frac {(6-7 )^{2}+(5-7 )^{2}+(9-7 )^{2}+(8-7 )^{2}}{N}}}}[/tex]

[tex]{\displaystyle \sigma ={\sqrt{{\frac {(-1 )^{2}+(-2)^{2}+(2)^{2}+(1 )^{2}}{N}}}}\\[/tex]

[tex]{\displaystyle \sigma =\sqrt{\frac{1+4+4+1}{4-1}}\\[/tex]

[tex]{\displaystyle \sigma =\sqrt{\frac{10}{3}}\\[/tex]

[tex]{\displaystyle \sigma =\sqrt{1.333}[/tex]

[tex]{\displaystyle \sigma =1.825[/tex]

The standard deviation is approximately 1.825.

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Answer:

x = 0

Step-by-step explanation:

Hello!

Solve for x by isolating the variable.

The value of x should be 0, as any number multiplied by 0 is 0.

Answer:

132p

Step-by-step explanation:

if 7 pens cost 84 total then you need to find the cost of each to know how much 11 pens would cost in total

84/7=12

now you know it's 12 each so just multiply 12 by 11 and you know how much for 11 total!

12*11=132p

Answer:

132 is correct

Step-by-step explanation:

84÷7=12

12×11= 132

For 450 km, the car need 9.32 liters of gasoline to cover the distance of 450km.

Given,

Car averages 35 miles per gallon of gasoline.

Here we need to find how many liters of gasoline will be needed for a trip of 450 km.

First we have to convert the km into miles in order to solve it.

1 mile = 0.621371 miles

So, 450 km is equal to,

=> 450 x 0.621371 miles

=> 279.617 miles.

Now, we already know that,

1 gallon of gasoline will cover 35 miles.

So, for 279.617 miles, it will need,

Let x be the liters of gasoline will be needed to cover the distance.

So,

=> x = 279.617 / 30

=> x = 9.32

Therefore, we need 9.32 liters of f gasoline will be needed for a trip of 450 km.

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Answer:

296

Step-by-step explanation:

Use long division.

      296

21 |6216

  -42
     201
     -189

       126
       -126

          0

Hope this helps!

The correct product of the exponential expression 3⁵ is equal to 3.3.3.3.3.

As given in the question,

Given exponential expression is equal to 3⁵

General form of exponential expression is given by  aˣ

a is the base and x is the exponent

This means 'x' times ' a ' is multiplied to ' a '

Compare 3⁵ with general form

3 is base

5 is exponent

This means '5' times ' 3 ' is multiplied to '3'

3⁵ = 3.3.3.3.3

Therefore, the correct product of the exponential expression 3⁵ is equal to 3.3.3.3.3.

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From the recursive definition, the next term of a sequence is the previous term multiplied by 3, hence it is a geometric sequence with a common ratio of 3.

A geometric sequence is a sequence in which the result of the division of consecutive terms is always the same, called common ratio q.

The nth term of a geometric sequence is given by:

[tex]a_n = a_1q^{n-1}[/tex]

In which [tex]a_1[/tex] is the first term.

The recursive definition of a geometric sequence is:

[tex]a_{n+1} = qa_n[/tex]

In this problem, the sequence is given by:

[tex]u_{n+1} = 3u_n[/tex]

With first term [tex]u_1 = \frac{4}{27}[/tex].

Hence it is a geometric sequence with a common ratio of 3.

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Answer:

C

Step-by-step explanation:

all the values will equal the mean

Answer:

x=-1/3

Step-by-step explanation:

3(1-3x)=2(-4+7)

Use distributive property.

3-9x=-8+14

Combine like terms.

3-9x=6

Subtract 3 from both sides.

-9x=3

Divide -9 from both sides.

x=-1/3

Hope this helps!

Please mark as brainliest if correct!

Answer:

The value of x is -1/3.

Step-by-step explanation:

Given equation,

→ 3(1 - 3x) = 2(-4 + 7)

Now the value of x will be,

→ 3(1 - 3x) = 2(-4 + 7)

→ 3 - 9x = 2 × 3

→ -9x = 6 - 3

→ x = 3/(-9)

→ [ x = -1/3 ]

Hence, the value of x is -1/3.

Answer: 2 and 0/7

MATH

1) El vehículo tardará 14 minutos en recorrer la misma distancia a una rapidez de 50 kilómetros por hora.

2) La rapidez registrada equivale al 55.556 % de la velocidad máxima de la zona.

1) En este problema tenemos el caso de un vehículo que se desplaza a rapidez constante. Aquí tenemos que la rapidez (v), en kilómetros por hora, es inversamente proporcional al tiempo invertido (t), en minutos.

[(40 km /h) / (50 km / h)] = t / 20 min

4 / 5 = t / 20

t = 80 / 5

t = 14 min

El vehículo tardará 14 minutos en recorrer la misma distancia a una rapidez de 50 kilómetros por hora.

2) El porcentaje correspondiente a la rapidez reportada se calcula mediante porcentajes:

r = [(50 km / h) / (90 km / h)] × 100 %

r = 55.556 %

La rapidez registrada equivale al 55.556 % de la velocidad máxima de la zona.

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In a heptagon, the sum of all seven angles is 900 degrees. If you add up the four given angles you will get 600 degrees. In the question it says, "the remaining interior angles are EQUAL" so therefore, the only way to get from 600 to 900 from the remaining three angles is 100. Each remaining angle is 100 degrees

Answer:

Heptagons are known to have seven interior angles that add up to 900°, so we must find the last 3. First, add the first four they gave us.

[tex]160\circ + 130\circ = 290\circ\\= 290\circ + 170\circ + 140\circ\\170\circ + 140\circ = 310\circ\\= 290\circ + 310\circ\\= 600\circ[/tex]

We now know that the remaining angles are all 100°, because the question mentions the rest of the interior angles being equal. The only reasonable 3 equal numbers to add up to 900° would be three 100s in this case.

Answer:11

Step-by-step explanation:

Answer:

11 units

Step-by-step explanation:

use the absolute value function to find the difference between A and E

A = - 6 , E = 5 , then

AE = | - 6 - 5 | = | - 11 | = | 11 | = 11

or

AE = | 5 - (- 6) | = | 5 + 6 | = | 11 | = 11

Answer:

1 is a function

2 and 3 is not

Step-by-step explanation:

the first one doesn't have anything repeating but 2 and 3 both do

Answer:

1. Yes, it's a function.

2. No, it's not a function.

3. No, it's not a function.

Step-by-step explanation:

A function is a relation in which each element of the domain (input) corresponds with exactly one element of the range (output).

Hope this helps.