Benjamin has 10 markers that consist of pastel, bold and neon colors. 2/3 of the markers are pastel, 3/9 of the remaining markers are bold and the rest are neon. how many neon markers does benjamin have?

Answer:

7x+80

Step-by-step explanation:

7(x+12)-4

7x + 84 -4

7x+80

Answer:

x < -32

Step-by-step explanation:

Answer:

exponent

Step-by-step explanation:

Answer:

1/2 × |AB| × |OE|

Step-by-step explanation:

use the formula for finding the area of a triangle.

Answer: 6x

Step-by-step explanation:

so consider x as the number,

twice of x= 2x

2x tripled= 2x*3

               = (2*3)x

               = 6x

Answer: Z is less than Zc ∴ 1.342 < 1.96

Therefore, Null hypothesis is not Rejected.

There is no sufficient evidence to claim that students turning in their test first score is significantly different from the mean.

Step-by-step explanation:

Given that;

U = 75

X = 78

standard deviation α = 10

sample size n = 20

population is normally distributed

PROBLEM is to test

H₀ : U = 75

H₁ : U ≠ 75

TEST STATISTIC

since we know the standard deviation

Z =  (X - U) / ( α /√n)

Z = ( 78 - 75 ) / ( 10 / √20)

Z = 1.3416 ≈ 1.342

Now suppose we need to test at ∝ = 0.05 level of significance,

Then Rejection region for the two tailed test is Zc = 1.96

∴ Reject H₀ if Z > Zc

and we know that Z is less than Zc ∴ 1.342 < 1.96

Therefore, Null hypothesis is not Rejected.

There is no sufficient evidence to claim that students turning in their test first score is significantly different from the mean.

Testing the hypothesis, it is found that since the p-value of the test is 0.1802 > 0.05, which means that the average test score earned by the first 20 students to turn in their tests was not significantly different from the overall mean.

At the null hypothesis, we test if the mean is of 75, that is:

\(H_0: \mu = 75\)

At the alternative hypothesis, we test if the mean is different of 75, that is:

\(H_1: \mu \neq 75\)

The test statistic is:

\(z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}\)

In which:

For this problem, we have that:

\(X = 78, \mu = 75, \sigma = 10, n = 20\)

The value of the test statistic is:

\(z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}\)

\(z = \frac{78 - 75}{\frac{10}{\sqrt{20}}}\)

\(z = 1.34\)

Since this is a two-tailed test, the p-value of the test is P(|z| < 1.34), which is 2 multiplied by the p-value of z = -1.34.

Looking at the z-table, z = -1.34 has a p-value of 0.0901.

2(0.0901) = 0.1802

The p-value of the test is 0.1802 > 0.05, which means that the average test score earned by the first 20 students to turn in their tests was not significantly different from the overall mean.

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The complete sequence is:

pass probability = 0.8

non- pass probability = 0.2

pass probability = 0.4

non- pass probability = 0.6

non- pass probability = 0.04

The ratio of good outcomes to all possible outcomes of an event is known as the probability. The number of positive results for an experiment with 'n' outcomes can be represented by the symbol x. The probability of an event can be calculated using the following formula.

Probability(Event) = Favorable Outcomes/Total Outcomes = x/n

Given:

The probability that Jose passes is 0.8

The probability that Maria passes is 0.4

Now, Jose probability

pass probability = 0.8

non- pass probability = 0.2

and, for Maria

pass probability = 0.4

non- pass probability = 0.6

Now, further dividing the non- pass probability for Jose

pass probability = 0.96

non- pass probability = 0.04

This is done in the aspect of the sum of pass and non -pass probability should be 1.

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Answer:

3

Step-by-step explanation:

45*64=2880

48*60=2880

Answer:

20 girls

Step-by-step explanation:

boys : girls  : total

3           5        3+5 = 8

There are 32 students

32/8 = 4

Multiply each term by 4

boys : girls  : total

3*4       5*4     8*4

12        20         32

There are 20 girls

Answer: 20 girls

Step-by-step explanation:

So boys to girls is 3 to 5

It asks for girls in class

Suppose there were 8 people in class, 5/8 of the people would be girls

It states that 32 people are in the class, so do 32 x 5/8 to get 20 girls

Answer:

$1.00

Step-by-step explanation:

Dimes = 10 / Nickels = 5 / Quarters = 25

6(10) + 3(5) + 1(25)

60 + 15 + 25 = 100 so that makes it $1.00

Answer: i am almost positive its (A)

i really hope im not wrong because this answer is the only one that has a stable rising action going up by the same number it did with the number before it. if its not right then your other option is (D)

Step-by-step explanation:

Answer:

the guy above me is right. i had this question and i was confused to and i just guessed that it goes by the way the numbers rise. therefore the answer is indeed (A)

Step-by-step explanation:

give him brainliest cause i just confirmed that he is right but i didn't actually know this. he put more effort in the question than me

Answer: 25

Step-by-step explanation:

29-|7-11|

29-|-4|  

29-4  

25                  

The value of 29 - |7 - 11| = 25

We have the following expression -

29 - |7 - 11|

We have to find its value.

We have -

X + | \(\pi\)Y |

Since Y < 0 - therefore \(\pi\)Y < 0

Now -

|a| = - a   { for a < 0}

Therefore -

X -  \(\pi\)Y

According to the question, we have -

29 - |7 - 11|

29 - | -4 |

29 - 4

25

Hence, the value of 29 - |7 - 11| = 25

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John earned $400 interest at a rate of 6% for 3 years. Therefore, the amount of money John originally invested was $2,222.22.

We are able to use the Simple interest formula to resolve this problem:

Simple interest is a simple concept in finance that is used to calculate the interest earned or paid on a essential amount over a positive time period.

Simple interest = (principal x charge x time)

Given that John earned $400 in interest at a price of 6% for three years, we are able to set up the equation as:

400 = (P x 0.06 x 3)

In which P is the principal (the original amount invested).

Simplifying this equation, we get:

400 = 0.18P

Dividing both facets through 0.18, we get:

P = $2,222.22

Thus, John originally invested $2,222.22.

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Answer:

The fraction of 6% is 6/10 and the model is 10 squares and only color 6 of them

YOU WELCOME :)

Answer:the fraction of 6% is 6/10

Step-by-step explanation:and the model is 10 squares and only color 6 of them

Answer:

1/6 and 1/7

Step-by-step explanation:

1/6 and 1/7

As we can see the denominator keeps increasing by 1 but the numerator stays as 1 :

1/1 or 1 is the first term

1/2 is the 2nd term

1/3 is the 3rd term

So :

1/6 is the 6th term

and 1/7 is the 7th term

The z-score of an appliance that failed after 64 months is 2.

To find the z-score:

The given parameters are:

The z-score is then computed as follows:

We have the following for an appliance that stopped working after 64 months:

So, the equation becomes:

Compare and contrast the differences:

Calculate the quotient:

Therefore, the z-score of an appliance that failed after 64 months is 2.

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A concave hexagon with 2 pairs of congruent sides is a shape that has six sides and two pairs of sides that are of equal length, but the shape curves inward at one or more angles, creating a concave indentation.

A hexagon is a six-sided polygon, and when two pairs of its sides are congruent,

it means that four of its sides have the same length, if the shape curves inward at one or more angles,

it creates a concave hexagon, which means that the indentation on the shape is facing inward, rather than outward, a concave hexagon with 2 pairs of congruent sides is a six-sided polygon with four sides of equal length, but with a curvature that creates an inward indentation.

Hence, a concave hexagon with 2 pairs of congruent sides is a six-sided figure with an indentation and two sets of sides with equal lengths.

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The area of the region bounded by f(x)=(x-8)^2, g(x)=-x-2 and the x-axis is the definite integral of f(x)-g(x) from -2 to 8.

The area of the region bounded by f(x)=(x-8)^2, g(x)=-x-2 and the x-axis is given by the definite integral of f(x)-g(x) from -2 to 8. First, expand f(x) and g(x) to get f(x)=x^2-16x+64 and g(x)=-x-2. Then, subtract g(x) from f(x) to get f(x)-g(x)=x^2-16x+66. This is the equation of the area of the region. To calculate the area, use the definite integral of f(x)-g(x) from -2 to 8. This is equivalent to the integral from -2 to 8 of x^2-16x+66 dx. After integrating, the area is given by the expression (x^3/3)-8x^2+66x from -2 to 8, which is equal to 1176/3 units^2. Therefore, the area of the region bounded by f(x), g(x) and the x-axis is 1176/3 units^2.

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Answer:

Step-by-step explanation:

The iota is a complex notation represented by the letter i in complex number.

iota power 2 can also be written as;

i^2

In complex number, the square root of -1 is iota. This can be expressed as;

\(\sqrt{-1} = i\)

Take the square of both sides

\((\sqrt{-1})^2 = i^2\\-1 = i^2\\Rearrange\\i^2 = -1\)

Hence the iota power 2 is equal to ​-1

Answer: y = 2(x + 2)² - 5

Step-by-step explanation:

          We are going to use the completing the square method to transform this quadratic equation from standard form to vertex form.

Given:

     y = 2x² + 8x + 3

Factor the 2 out of the first two terms:

     y = 2(x² + 4x) + 3

Add and subtract \(\frac{b}{2} ^2\):

     y = 2(x² + 4x + 4 - 4) + 3

Distribute the 2 into -4 and combine with the 3:

     y = 2(x² + 4x + 4) - 5

Factor (x² + 4x + 4):

     y = 2(x + 2)² - 5

Answer:

it is what it is

Step-by-step explanation:

Answer:

0.25km

Step-by-step explanation:

km = 1000m

250/1000 = 0.25

Answer:

0.25 km

Step-by-step explanation:

1 km = 1000 m

250 ÷1000 = 0.25 km

Answer:

t = 60

Step-by-step explanation:

Exponents by the power of another exponent multiply.

-12 · -5 = 60

So in this instance, the value of t would be 60.

Answer:

Equation 2: \(y=-x^2-2\)

The strategy i used to make this equation is to make graph the parent equation and see what changes are to be made in order to get the needed answer.

Step-by-step explanation:

Well a normal parent parabola function is \(y=x^2\).

And the parabloa it makes opens up so to make it open down we make it negative to \(y=-x^2\). And to make a negative y intercept we make the y intercept -2.

So the equation is \(y=-x^2-2\).

Answer:

\(\sqrt{2}\)

The answer is \(\sqrt{2}\) because it equals an irrational number. ( \(1.41421356237\) )

Hope this helps! <3

Given :-

Solution :-

>> 2x + 5 < x + 1 / 4

>> 4 (2x + 5) < x + 1

>> 4 × (2x + 5) < x + 1

>> 8x + 20 < x + 1

>> 8x - x < 1 - 20

>> 7x < 1 - 20

>> 7x < -19

>> x = -19 / 7

\(\boldsymbol{\sf{2x+5 < \dfrac{x+1}{4} }}\)

Multiply the two sides of the equation by 4. Since 4 is > 0, the direction of inequality remains the same.

          \(\boldsymbol{\sf{8x+20 < x+1 }}\)

Resta x en los dos lados.

              \(\boldsymbol{\sf{8x+20-x < 1 }}\)

Combine 8x and −x to get 7x.

                \(\boldsymbol{\sf{7x+20 < 1 }}\)

Subtract 20 on both sides.

                 \(\boldsymbol{\sf{7x < 1-20 \ \ \longmapsto \ \ [To \ subtract] }}\)

                  \(\boldsymbol{\sf{7x < -19 }}\)

Divide the two sides by 7. Since 7 is >0, the direction of inequality remains the same.

                     \(\boldsymbol{\sf{x < -\dfrac{19}{7} } }\)

As the end result, it is not simplified or divided, then

                               \(\blue{\boxed{\boldsymbol{\sf{Answer \ \ \longmapsto \ \ x < -\frac{19}{7} }}}}\)

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Answer:

26°

Step-by-step explanation:

same side same angle

the total of angles in triangle is always 180

Answer:

you will need 23 square feet because if you add it all up that's what you get

Answer:

50%

Step-by-step explanation:

The percentage of people between 20 and 37 years old.

From the attached box plot :

Number of people aged up to 20 marks the lower quartile of the distribution = lower 25%

Number of people aged up to 37 marks the upper quartile of the distribution = lower 75%

Hence, percentage number of people aged between 20 and 37 equals

Q3 - Q1 = 75% - 25% = 50%

Option d is not correct as it uses "II" which is not a commonly used symbol to indicate less than and greater than.

The correct expression to indicate that x is greater than 10 and less than 20 is:

a. 10 < x < 20

This is read as "10 is less than x, and x is less than 20." The symbols "<" and ">" indicate "less than" and "greater than," respectively.

Option b is not correct as it uses parentheses instead of the less than/greater than symbols.

Option c is not correct as it uses "&" and "&&" which are not commonly used symbols to indicate less than and greater than.

Option d is not correct as it uses "II" which is not a commonly used symbol to indicate less than and greater than.

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