special triangles please help part 5. Please show work​

Answer: It would be A since percentage is out of 100

Answer:

x=1

Step-by-step explanation:

6-3x=5x-10x+8=

move all terms to the left:

6-3x-(5x-10x+8)=0

add all the numbers together, and all the variables

-3x-(-5x+8)+6=0

get rid of parentheses

-3x+5x-8+6=0

add all the numbers together, and all the variables

2x-2=0

move all terms containing x to the left, all other terms to the right

2x=2

x=2/2

x=1

Answer:

3.9

Step-by-step explanation:

It is rounded to 3.9 I think

Answer:

3.9

Step-by-step explanation:

3.85215 Since your rounding to the nearest tenth which is 8 you will look at the number to the right which is 5. If the number is 5 or greater than five then the number in the tenth place will go up one. So it becomes 3.9.

Answer:

Omg I love these problems!

x= 14

y= 5

Step-by-step explanation:

X:

(angle coa is equal to angle bod, both 25)

(Angle mod is a right angle, equal to 90)

3x+23 +25= 90

3x+48= 90

3x=42

x= 14

y:

(angle aol is right angle: 90)

(aob is 180 (straight line), so aol plus lob is 180)

90+ 5y + (3(14)+23) = 180

155 +5y= 180

5y= 25

y= 5

Please tell me if this is correct, I did not check my work. If it is, brainliest?

Answer: if he downloaded 15 songs he would have to pay 16.5$ a month because 15 times 0.5= 7.5 and 7.5 plus the 9$ he pays is 16.5.

If he downloaded s songs, the equation is 0.5s+9

Or y=0.5x+9

Step-by-step explanation:

Answer:

7a+16b+30

Step-by-step explanation:

I think maybe

Answer:

A

Step-by-step explanation:

54=(X/360)× πr²

54=(X/360)× 3.14(12)²

54=(X/360)×452.16

X =54÷452.16×360

X =42.99(2 d.p)

Answer:

After the order, there are 60 roses and 36 tulips, which is equivalent to 5 : 3. The ratio does not change.

Step by step:

72 divided by 2 is 36.

36 divided by 3 is 12.

5 times 12 is 60.

So, the ratio is 60:36

In a florist shop, if the florist uses up half of each type of flower to fill an order, the ratio of roses to tulips will change and it will be 60 roses: 36 tulips.

Given that:

We can form a system of equations; where

Let cross multiply the above equations to determine for the value of x:

i.e.

So, on that Friday morning, when the shop has 72 tulips, they have 120 roses.

Now, if half of each type of flowers were used to fill an order, then the ratio of the roses to tulips will be:

Learn more about ratios here:

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Answer:

a

 [tex]z-score = 1.57[/tex]

b

 [tex]z-score_s = -3.36[/tex]

Step-by-step explanation:

From the question we are told that

   The sample size is  n =  103  

    The  sample mean of  sag is  [tex]\= x_1 = 353[/tex]

     The sample mean of swells is  [tex]\= x_2 = 184[/tex]

    The standard deviation of  sag is  [tex]s_1 = 30[/tex]

     The standard deviation of swells is  [tex]s_2 = 25[/tex]

     The number of swell for a randomly selected transformer is  k  =  100

      The number of sag for a randomly selected transformer is  c  =  400

Generally the z-score for the number of swells is mathematically represented as

     [tex]z-score_s = \frac{ k - \= x_2}{s_2}[/tex]

=>   [tex]z-score_s = \frac{ 100- 184}{25}[/tex]

=>     [tex]z-score_s = -3.36[/tex]

Generally the z-score for the number of sags is mathematically represented as    

      [tex]z-score = \frac{ c - \= x_1}{s_1}[/tex]

     [tex]z-score = \frac{ 400 - 353}{30}[/tex]

     [tex]z-score = 1.57[/tex]

The z-score for the number of sags for this transformer is 1.57.

And the z-score for the number of swells for this transformer is -3.36.

Given that,

The power quality of transformers built in Turkey was investigated in Electrical Engineering (Vol. 95, 2013).

For a sample of 103 transformers built for heavy industry, the mean number of sags per week was 353 and the mean number of swells per week was 184.

Assume the standard deviation of the sag distribution is 30 sags per week that the standard deviation of the swell distribution is 25 swells per week.

Suppose one of the transformers is randomly selected and found to have 400 sags and 100 swells in a week.

We have to find,

Find the z-score for the number of sags for this transformer.

Find the z-score for the number of swells for this transformer.

According to the question,

For a sample of 103 transformers built for heavy industry, the mean number of sags per week was 353,

the standard deviation of the sag distribution is 30 sags per week.

the transformers is randomly selected and found to have 400 sags.

Therefore,

The z-score for the number of sags for this transformer,

[tex]\rm Z_s_c_o_r_e = \dfrac{Randomely \ selected \ transformers \ of \ sags- Mean \ number \ of \ sags }{Standard \ deviation \ of \ sags}\\\\ Z_s_c_o_r_e= \dfrac{400-353}{30}\\\\ Z_s_c_o_r_e= \dfrac{47}{30}\\\\ Z_s_c_o_r_e= 1.57[/tex]

Sample of 103 transformers built for heavy industry, the mean number of sags per week was 184,

the standard deviation of the sag distribution is 25 sags per week.

the transformers is randomly selected and found to have 100 sags

Therefore,

The z-score for the number of sags for this transformer,

[tex]\rm Z_s_c_o_r_e = \dfrac{Randomely \ selected \ transformers \ of \ swells - Mean \ number \ of \ swells }{Standard \ deviation \ of \ sweels}\\\\ Z_s_c_o_r_e= \dfrac{100-184}{25}\\\\ Z_s_c_o_r_e= \dfrac{-84}{25}\\\\ Z_s_c_o_r_e= -3.36[/tex]

Hence, The z-score for the number of sags for this transformer is 1.57 and the z-score for the number of swells for this transformer is -3.36.

For more details refer to the link given below.

https://brainly.com/question/15776766

Answer:

17,160

Step-by-step explanation:

Answer:

y = x - 3

Step-by-step explanation:

ok so r has the cornets of (4,1) and (6,3)

x - 3 = y

4 - 3 = 1

6 - 3 = 3

The recursive formula for this problem is given as follows:

[tex]P_n = 1.05 \times P_{n - 1}[/tex]

The explicit formula for this problem is given as follows:

[tex]P_n = 150(1.05)^n[/tex]

The number of tickets in 2026 is given as follows:

297 tickets.

A geometric sequence is a sequence of numbers where each term is obtained by multiplying the previous term by a fixed number which is defined as the common ratio q.

The explicit formula of the sequence is given as follows:

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

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

The parameter values for this problem are given as follows:

[tex]a_1 = 150, q = 1.05[/tex]

Hence the function is given as follows:

[tex]P_n = 150(1.05)^n[/tex]

2026 is 14 years after 2012, hence the number of tickets is given as follows:

[tex]P_{14} = 150(1.05)^{14} = 297[/tex]

More can be learned about geometric sequences at https://brainly.com/question/24643676

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Answer:

x^8

Step-by-step explanation:

Simplify the following:

(x^2 x^3)/(x^(-2) x^2 x^(-3))

Multiply the numerator of (x^3)/((x^2)/(x^2) x^(-3)) by the reciprocal of the denominator. (x^3)/((x^2)/(x^2) x^(-3)) = (x^3 x^3)/((x^2)/(x^2)):

x^2 (x^3 x^3)/((x^2)/(x^2))

(x^3 x^3 x^2)/((x^2)/(x^2)) = x^2/x^2×(x^3 x^3)/x^(-2) = (x^3 x^3)/x^(-2):

(x^3 x^3)/x^(-2)

Combine powers. (x^3 x^3)/x^(-2) = x^(3 + 3 + 2):

x^(3 + 3 + 2)

3 + 3 + 2 = 8:

Answer: x^8

The quadratic function below has a minimum value. The graph of the quadratic function is shown below. The vertex of the graph is (-2, -5), and the axis of symmetry is x = -2.What is a quadratic function?A quadratic function is a function that can be represented in the form[tex]f(x) = ax^2 + bx + c[/tex], where a, b, and c are constants and a ≠ 0.

The graph of a quadratic function is a parabola that opens upwards if a > 0 and downwards if a < 0. The vertex of the parabola is the minimum point of the function if a > 0 and the maximum point of the function if a < 0.

The quadratic function below has a minimum value. This means that the parabola opens upwards, and the vertex is the minimum point of the function.

The vertex of the parabola is (-2, -5), which is the lowest point on the graph. The axis of symmetry is the vertical line x = -2, which passes through the vertex.

The axis of symmetry divides the parabola into two congruent halves, so the parabola is symmetric about this line.

In summary, the statement that is true about the graph of the quadratic function below is that the function has a minimum value.

The vertex of the parabola is (-2, -5), and the axis of symmetry is x = -2. The parabola opens upwards, and the minimum point of the function is at the vertex.

For such more question on quadratic function

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Answer:

Probability = 0.2865

Step-by-step explanation:

There are 65 accidents per year. We know that there are 52 weeks in a year, so let us determine the number of accidents in a week.

65/52 = 1.25 accidents in a week

If we use Poisson distribution, remember that X = the number of occurrences of a particular event in an interval of time or space. In this case X = 0, as we need to find the probability of there being no accidents. Our set up...

P(X = x) = λ^x * e^-λ / x!,

1 week => λ = 1.25,

P(X = 0) = 1.25^0  * e^-1.25/0!

= 1 * e^-1.25

= 1/e^1.25 ≈ 0.2865

Answer:

Step-by-step explanation:

Given

Lets get the equations for both lines

Line A

Line B

We got two equations:

Solving the system:

Verifying answer options

Answer:

(3, 4) is the solution to both lines A and B.

Step-by-step explanation:

Answer:

x^2−7x+6

Step-by-step explanation:

(x+−1)(x+−6)

=(x)(x)+(x)(−6)+(−1)(x)+(−1)(−6)

=x^2−6x−x+6

=x^2−7x+6

Answer:

Store C, Store B, Store A

Step-by-step explanation:

If you were to buy 1 pound of pears at Store A, It would be $1.29

If you were to buy 1 pound of pears at Store B, It would be $1.00

If you were to buy 1 pound of pears at Store C, It would be $0.89

                                         [tex]\left[\begin{array}{ccc}Your\;answer\;is\;48\end{array}\right][/tex]

                                            Explanation

Find the Least Common Multiple of the denominators (which is called the Least Common Denominator).

Change each fraction (using equivalent fractions) to make their denominators the same as the least common denominator.

Then add (or subtract) the fractions, as we wish!

Credit to mathisfun.com!

Answer:

15 miles

Step-by-step explanation:

1=5 so 3*5=15

Answer:

Step-by-step explanation:

800 - 200 = 600 = range

Inter Quartile Range is hard to measure.

566 2/3 = mean = close enough to 567

The term 625 does not exist

Answer:

The answer is −2(x−5).

Step-by-step explanation:

Answer: Total penalty =  -5yd + (-10yd) =  -15yd

Step-by-step explanation:

A number sentence is any type of equation that represents something:

First, the team receives a 5 yd penalty.

-5yd

Then the team receives another penalty, this time of 10 yd, then we can write the total penalty as the sum of the two penalties.

Total penalty =  -5yd + (-10yd) =  -15yd