Write an inequality and make a number line that shows the situation. 1. A cruise ship can carry up to 3000 passengers. How much passengers might be in the cruise ship?2. Rafael drinks more than 3 pints of water a day. How many pints of water might Rafael drink?

Answers

Answer 1

1. Variable

• x: number of passengers

From the description of the problem, the number of passengers must be at most 3000. Mathematically:

x ≤ 3000

This inequality can be represented in a number line as follows:


Related Questions

Define an exponential function, h(x), which passes through the points (1,16) and(5, 1296). Enter your answer in the form a*b^xh(x) =

Answers

We want the answer in exponential form:

[tex]h(x)=a\cdot b^x[/tex]

where a and b are the constants to be determined. We can find a and b by substituting the given points and construct a system of equatons, that is, by replacing point (1,16) we have

[tex]\begin{gathered} 16=a\cdot b^1 \\ so \\ 16=a\cdot b \end{gathered}[/tex]

and by substituting point (5,1296), we get

[tex]1296=a\cdot b^5[/tex]

Then, we have 2 equations in 2 unknonws:

[tex]\begin{gathered} a\mathrm{}b=16 \\ a\mathrm{}b^5=1296 \end{gathered}[/tex]

By isolating a from the first equation and substituting this result into the second one, we get

[tex]\begin{gathered} (\frac{16}{b})b^5=1296 \\ \end{gathered}[/tex]

which gives

[tex]\begin{gathered} 16b^4=1296 \\ b^4=\frac{1296}{16} \\ b^4=81 \\ b=\sqrt[4]{81} \\ b=3 \end{gathered}[/tex]

Then, by substituting this result into the first equation of our system, we obtain

[tex]\begin{gathered} a\cdot3=16 \\ \text{then} \\ a=\frac{16}{3} \end{gathered}[/tex]

Therefore, the answer is

[tex]h(x)=\frac{16}{3}\cdot(3)^x[/tex]

A pancake recipe for Christ 3 1/3 cups of milk to 1 cup of flour. At 3 3/4 cups of milk is used, what quantity of flour will be needed, according to the recipe?

Answers

Given:

3 1/3 cups of milk to 1 cup of flour

3 3/4 cups of milk

So:

[tex]\frac{3\frac{1}{3}}{3\frac{3}{4}}=\frac{1}{x}[/tex]

Simplify:

[tex]\begin{gathered} \frac{\frac{10}{3}}{\frac{15}{4}}=\frac{1}{x} \\ \frac{10\times4}{3\times15}=\frac{1}{x} \\ \frac{40}{45}=\frac{1}{x} \\ \frac{8}{9}=\frac{1}{x} \end{gathered}[/tex]

Solve for x:

[tex]\begin{gathered} 8\cdot x=1\cdot9 \\ 8x=9 \\ \frac{8x}{8}=\frac{9}{8} \\ x=\frac{9}{8}=1\frac{1}{8} \end{gathered}[/tex]

Answer:

[tex]1\frac{1}{8}[/tex]

Slope: -1
Point 3,-5

Answers

If the answer is asking for slope-intercept form, answer is:
y=-x-2
Slope is -1
y intercept is -2

The Rodriguez family has a fixed incomeof $4,000 a month. Their fixed expensesare $1,800 a month. They save at leastone fourth of the remaining income eachmonth. What is the minimum amountsaved by the Rodriguez family in a year?

Answers

we know that

The Rodriguez family has a fixed income of $4,000 a month.

Their fixed expenses are $1,800 a month

so

The remaining amount in a month is

4,000-1,800=$2,200

The one fourth of the remaining income is

(1/4)(2,200)=$550

To find out the minimum amount in a year, multiply $550 by 12

550*(12)=$6,600

therefore

the answer is$6,600

If y varies jointly as x and z when x = 5, y = 80, and z = 8. what is y when x = 16 and z = 2?

Answers

We are given that y varies jointly as x and z

Mathematically,

[tex]y=kxz[/tex]

Where k is the constant of proportionality.

When x = 5, y = 80, and z = 8

[tex]\begin{gathered} y=kxz \\ 80=k\cdot5\cdot8 \\ k=\frac{80}{5\cdot8} \\ k=2 \end{gathered}[/tex]

So, the relationship becomes

[tex]y=2xz[/tex]

What is y when x = 16 and z = 2?

[tex]\begin{gathered} y=2xz \\ y=2\cdot16\cdot2 \\ y=64 \end{gathered}[/tex]

Therefore, the value of y is 64

Which expressions are equal to 10^5? ☐ (10^4)¹ 10³x10² 1/10^5 (10³) ² 10x10x10x10x10​

Answers

Using the rule of exponents, the only expressions that are equal to 10⁵ are; 10³x10² and 10x10x10x10x10​

How to use Laws of Exponents?

The laws of exponents are as follows;

1) The Product Rule for Exponents: To get the product of two numbers that have the same base, ensure you add the exponents.

2) The Quotient Rule for Exponents: To get the quotient of two numbers that have the same base, ensure that you subtract the exponent of the denominator from the exponent of the numerator.

3) The Power Rule for Exponents: To raise a number with an exponent to a power, ensure that you multiply the exponent times the power.

4) Negative Exponent Rule: Make sure to Invert the base in order to change a negative exponent into a positive.

5) Any non-zero number that is raised to the zeroth power is 1.

We want to find an expression that is equivalent to 10⁵. Thus, applying the rules of exponents above, the only one that is correct is 10 ³x 10² or 10x10x10x10x10​

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At an aquarium, researchers are preparing a mixture of salt water. The desired ratio is 90 grams of salt per liter of water.1 ounce= 28.35 grams1 gallon= 3.8 literswhat is the ratio in ounces per gallon

Answers

Based on the question, the ratio of the salt mixture is:

[tex]\frac{90grams}{1\text{liter}}[/tex]

So, if we have 3.8 liters in 1 gallon, we would need 90grams x 3.8 = 342 grams of salt in 1 gallon.

[tex]\frac{90grams}{1\text{liter}}\times\frac{3.8liters}{1\text{gal}}=\frac{342grams\text{ }}{1gal}[/tex]

The next step is to determine how many ounces are there in 342 grams. If 1 ounce = 28.35 grams, then 342 grams divide 28.35 grams = 12.06. Hence, in 342 grams, there are 12.06 ounces.

Thus, we can say that:

[tex]\frac{342\text{grams}}{1\text{gal}}=\frac{12.06\text{ounces}}{1\text{gal}}[/tex]

The ratio of the salt mixture is 12.06 ounces per gallon.

subtract P - 2 q + r from the sum of 10 P - R and 5 p + q​

Answers

Answer:

14p +4q-2r

Step-by-step explanation:

Sum of (10p-r+5p+2q)

10p+5p+2q-r

15p+2q-r

Now subtract( p-2q+r) from (15p+2q-r)

(15p+2q-r) - (p-2q+r)

15p+2q-r-p+2q-r

15p-p+2q+2q-r-r

14p +4q-2r

The answer is 14p +4q-2r

Find the greatest common factor for the list of monomials. 20x4y2z, 4x4y, 60x3y3 The greatest common factor is

Answers

The monomials given are:

[tex]\begin{gathered} 20x^4y^2z \\ 4x^4y \\ 60x^3y^3 \end{gathered}[/tex]

First, we will write each monomial as a product of each individual factors. So,

[tex]\begin{gathered} 20x^4y^2z=2\cdot2\cdot5\cdot x\cdot x\cdot x\cdot x\cdot y\cdot y\cdot z \\ 4x^4y=2\cdot2\cdot x\cdot x\cdot x\cdot x\cdot y \\ 60x^3y^3=2\cdot2\cdot3\cdot5\cdot x\cdot x\cdot x\cdot y\cdot y\cdot y \end{gathered}[/tex]

Now, we will circle the factors/numbers that are common to all 3 monomials.

That is,

Thus, we can write the GCF as,

[tex]\begin{gathered} 2\cdot2\cdot x\cdot x\cdot x\cdot y \\ =4x^3y \end{gathered}[/tex]

You spin a spinner with 5 sections: 1 yellow (Y), 1 purple (P), 1red (R), 1 blue (B), and 1 green (G).What is the sample space for one spin of this spinner?

Answers

Given:

The spinner has five sections that are 1 yellow (Y), 1 purple (P), 1 red (R), 1 blue (B), and 1 green (G).

Required:

We need to find the sample space for one spin of the given spinner.

Explanation:

The sample space = the collection of all sections of the spinner.

[tex]S=\lbrace\text{ yellow, purple, red, blue, green \textbraceright}[/tex][tex]S=\lbrace\text{ Y, P, R, B, G\textbraceright}[/tex]

Final answer:

[tex]\lbrace\text{ Y, P, R, B, G\textbraceright}[/tex]

Option D is correct.

Mike read of a novel. Katy read as much of the same novel as Mike. How much of the novel did Katy read?

What type of comparison is shown in the question above?
A.
additive comparison
B.
multiplicative comparison

Answers

The type of comparison shown is multiplicative comparison.

As the number of novel increase in the case of Mike, the number for Katy will also increase simultaneously.

For example, if the novel read count for Mike is 3 then the novel read count for Katy will be also 3.

Additive comparison defines a relationship between two quantities by specifying or saying how much greater or less one is than the other.

Multiplicative Compare - compares two values ​​and multiplies one by a specified number to get the other.

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help me please


thank you

Answers

Answer:

Domain: [tex](-\infty, \infty)[/tex]

Range: [tex](-\infty, 4][/tex]

Step-by-step explanation:

The domain is the set of x-values and the range is the set of y-values.

how do you solve 3/4 % of 387?

Answers

To calculate the 3/4% of 387, you have to use cross multiplication:

The fraction 3/4 can be expressed as a decimal value to make the calculations easier: 3/4=0.75

100% is 387

0.75% is x

Both relations are at the same ratio, so that

[tex]\begin{gathered} \frac{387}{100}=\frac{x}{0.75} \\ x=\frac{387}{100}\cdot0.75 \\ x=2.9025 \end{gathered}[/tex]

This means that the 3/4% of 387 is 2.9025

1/11 as an decimal for long division

Answers

Question: 1/11 as an decimal for long division??

Answer:  1/11 as a decimal is 0.090909090909091.

Step-by-step explanation:

÷= 1

 ÷=.

 (×)÷= .

 1÷11=0.0

(×)÷= ,,,

 1÷11=0.09   , 1 . ÷=.…

÷=.

: )✨

For a standard normal distribution, given:

P(z < c) = 0.9663

Find c.

Answers

The value of c for a standard normal distribution, P(z < c) = 0. 9663 is 0.47.

What is standard normal distribution?

The standard normal distribution table gives the probability of a regularly distributed random variable Z, whose mean is equivalent to 0 and difference equal to 1, is not exactly or equal to z. The normal distribution is a persistent probability distribution.

What is z score?

Z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by

z = (x - μ)/σ

Where x is the raw score, μ is the mean and σ is the standard deviation.

Given that P(z < c) = 0. 9663; hence:

From the normal distribution table, c = 0.47

The value of c for a standard normal distribution, P(z < c) = 0. 9663 is 0.47.

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6. Mishell bought some sugar and strawberries to make strawberry jam.Sugar costs $1.80 per pound, and strawberries cost $2.50 per pound.Mishell spent a total of $19.40. Which point on the coordinate plane couldrepresent the pounds of sugar and strawberries that Mishell used to makejam?*

Answers

Okay, here we have this:

We obtain the following equation.

Let's take x as pounds of sugar, and y as pound of strawberries:

x(Sugar Costs)+y(Strawberries cost)=Total Cost

x(1.80)+y(2.50)=19.40

We are going to replace the coordinates of each point to see which one satisfies the total cost:

Point A (0,0):

x(1.80)+y(2.50)=19.40

0(1.80)+0(2.50)=19.40

0+0=19.40

0=19.40 (We can see that this equality is false, therefore the option is incorrect)

Point B (8,2):

x(1.80)+y(2.50)=19.40

8(1.80)+2(2.50)=19.40

14.4+5=19.40

19.40=19.40 (This equality is true, therefore this option may be correct, however let's analyze the rest)

Point C (6,1)

x(1.80)+y(2.50)=19.40

6(1.80)+1(2.50)=19.40

10.8+2.5=19.4

13.3=19.4 (We can see that this equality is false, therefore the option is incorrect)

Point D (7, 5)

x(1.80)+y(2.50)=19.40

7(1.80)+5(2.50)=19.40

12.6+12.5=19.40

25.1=19.4 (We can see that this equality is false, therefore the option is incorrect)

Finally we obtain that the correct answer is the Point B.

Mai works a total of 31 hours per week at two jobs. The number of hours she works at a coffee stand is 5 less than 2 times the number of hours she works at the animal shelter. How many hours does Mai work at the animal shelter?

Show the equation you use and your work solving the equation.

Answers

Answer:

12

Step-by-step explanation:

Let x = number of hours at the shelter

"The number of hours she works at a coffee stand is 5 less than 2 times the number of hours she works at the animal shelter."

The number of hours at the coffee stand is

2x - 5

The total number of hours is 31, so x added to 2x - 5 must equal 31.

2x - 5 + x = 31

3x - 5 = 31

3x = 36

x = 12

She works 12 hours at the shelter.

Solve the following equation using the zero product property 5(-v-5)(v-8)=0

Answers

The expression to be solved is:

[tex]5\cdot(-v-5)\cdot3\cdot(v-8)\text{ = 0}[/tex]

The zero product property states that the solution to this equation is the values of each term equals to 0.

[tex]\begin{gathered} (-v\text{ - 5) = 0} \\ -v\text{ = 5} \\ v\text{ = -5} \end{gathered}[/tex][tex]\begin{gathered} (v\text{ - 8) = 0} \\ v\text{ = 8} \end{gathered}[/tex]

The answers are -5 and 8.

the radius of a circle in 6 miles. what is the area of a sector bounded by a 126° arc?

Answers

The area of a sector of a circle is:

[tex]A=\pi r^2\cdot\frac{\theta}{360}[/tex]

Where θ is the angle of the arc and r is the radius.

In this case,

• r = 6mi

,

• θ = 126º

Then:

[tex]A=\pi(6mi)^2\cdot\frac{126}{360}=\pi\cdot\frac{36mi^2\cdot126}{360}=\frac{63}{5}\pi[/tex]

Thus the correct option is the 4th one:

[tex]\frac{63}{5}\pi\text{ }mi^2[/tex]

g+3 1/2=10 answer to g

Answers

Answer:  

Exact form: G = 12/2

decimal form: G = 6.5

4. The table represents a proportional relationship. Find the constant ofproportionality and write an equation to represent the relationship.aу23110103124Constant of proportionality:Equation: y =

Answers

Given the table which represents a proportional relationship

The general form for a proportional relationship is :

[tex]y=k\cdot a[/tex]

Where k is the constant of the proportionality

As shown in the table :

when a = 2 , y = 2/3

And when a = 3 , y = 1

It is better to substitute with the second row

[tex]\begin{gathered} a=3\rightarrow y=1 \\ \\ 1=k\cdot3 \\ \\ k=\frac{1}{3} \end{gathered}[/tex]

So, the equation will be :

[tex]y=\frac{1}{3}a[/tex]

Usqqe format HTH to mean that the first toss is heads, the second is tails and the third is heads more than one element in the set, separate them with commas

Answers

SOLUTION

Given the question in the image, the following are the solution steps to answer the question.

STEP 1: State the number of outcomes possible for three tossing of a coin

Since a coin has two possible outcomes and is tossed three times, the total outcomes will be:

[tex]\begin{gathered} 2^3=8 \\ 8\text{ outcomes} \end{gathered}[/tex]

STEP 2: Find the number of sample spaces for the three tosses

STEP 3: Get the outcomes of the events for which the second toss is tails

Hence, the answers are given as:

Sample Space:

[tex]\lbrace HHH,HHT,HTH,HTT,THH,THT,TTH,TTT\rbrace[/tex]

The event that the second toss is tails:

[tex]\lbrace HTH,HTT,TTH,TTT\rbrace[/tex]

30 cars are in a race. In how many different ways can cars finish in the top 3 positions?

Answers

Given:

There are 30 cars in a race.

The number of ways that cars finish in the top 3 positions is given as,

[tex]\begin{gathered} ^nP_r=\frac{n!}{(n-r)!} \\ n=30,r=3 \\ ^{30}P_3=\frac{30!}{(30-3)!} \\ =\frac{30!}{27!} \\ =28\times29\times30 \\ =24360 \end{gathered}[/tex]

Answer: There are 24360 ways that cars finish in the top 3 positions.

The answer is 24360




-

If sin 0
=
40/41 and lies in Quadrant I, what does tan theta equal to?

Answers

answer of this trigonometric function is 4.49

what is trigonometric function?

The trigonometric functions are real functions that connect the angle of a right-angled triangle to the ratios of its two side lengths. They are also known as circular functions, angle functions, or goniometric functions.

LETS ASSUME Given  sinθ= 40/41

tan(θ)= sinθ/[tex]\sqrt{1-sin^{2} (theta) }[/tex]....(1)

putting sin theta value in  (1)

⇒tan(θ)= 4.49

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Find loss and loss percent.
cost price = 850
selling price = €595

Answers

The lost percent is 255

3.5.3 Test (CST): Functions Does this graph show a function? Explain how you know. 66 PE -2 E C N 6 8 A. No; there are y-values that have more than one x-value. B. Yes; the graph passes the vertical line test. C. Yes; there are no y-values that have more than one x-value. D. No; the graph fails the vertical line test. here is the answer for the people who need it​

Answers

B yes the graph passes the vertical línea text

Write the following decimal number in standard form Two and four hundredths

Answers

ANSWER

[tex]The\text{ standard form of 2.04 is 2.04}\times10^0[/tex]

STEP-BY-STEP EXPLANATION

We are two convert decimal numbers to standard form

Given information

Two and four hundredths

Step 1; write the above data in decimal

[tex]\begin{gathered} \text{four hundredths } \\ 4\text{ x }\frac{1}{100} \\ \frac{4}{100\text{ }}\text{ = 0.04} \end{gathered}[/tex]

Step 2: Add the four hundredths to two

[tex]\text{ 2 + 0.04 = }2.04[/tex]

Step 3: convert the decimal to standard form

[tex]2.04\text{ }\times10^0[/tex]

Which expression simplifies to 5? 7 points A. 27/3 -- 14 B. 27/3 + 4 C. --27/3 -- 4 D. --27/3 + 4

Answers

The expression simplifies to 5 is  -27/3 +14 .

The option D is correct.

What is Simplification?

Simplification is the process of replacing a mathematical expression by an equivalent one, that is simpler, usually shorter.

Given,

Which expression simplifies to 5?

Here, Options are

A. 27/3 - 14

= 9 - 14 = -5

B. 27/3 + 4

= 9 + 4 = 13

C. --27/3 - 4

= -9 - 4 = -13

D. -27/3 +14

= -9 + 14 = 5

Hence, The expression simplifies to 5 is  -27/3 +14 .

The option D is correct.

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Please help and provide explanation I want to understand this!

Answers

We will have to find the equation that follows the form:

[tex]a+bx=y[/tex]

That is:

*The value of a is:

[tex]a=547.4666667[/tex]

*The value of b is:

[tex]b=29.91428571[/tex]

So, the linear regression is:

[tex]y=29.91428571x+547.4666667[/tex]

We can see it graphically as follows:

Here we can see the linear regression line and the points used.

***How to manually determine linear regressions***

We will start as follows:

We will have to use the following expressions in order to manually find the linear regression:

[tex]b=\frac{n(\sum^{}_{}xy)-(\sum^{}_{}x)(\sum^{}_{}y)}{n(\sum^{}_{}x^2)-(\sum^{}_{}x)^2}[/tex]

And:

[tex]a=\frac{\sum ^{}_{}y-b(\sum ^{}_{}x)}{n}[/tex]

Here we have that n is the number of values on the dataset. So, we solve for b as follows [Based on the problem given]:

*We will determine the values of n, the sum of x, the sum of y, xy, x^2 & y^2 as follows:

Sum of x:

[tex]\sum ^{}_{}x=1+2+3+4+5+6\Rightarrow\sum ^{}_{}x=21[/tex]

Sum of y:

[tex]\sum ^{}_{}y=588+298+640+650+707+730\Rightarrow\sum ^{}_{}y=3913[/tex]

Value of n: We have that the number of datasets given is 6 [6 pairs of values on the table].

[tex]n=6[/tex]

*The sum of xy:

[tex]\sum ^{}_{}xy=(1)(588)+(2)(598)+(3)(640)+(4)(650)+(5)(707)+(6)(730)\Rightarrow\sum ^{}_{}xy=14219[/tex]

*The sum of X^2:

[tex]\sum ^{}_{}x^2=1^2+2^2+3^2+4^2+5^2+6^2\Rightarrow\sum ^{}_{}x^2=91[/tex]

*The square of the sum of x:

[tex](\sum ^{}_{}x)^2=21^2\Rightarrow(\sum ^{}_{}x)^2=441[/tex]

Now that we have all the values, we replace in the first equation and solve for b:

[tex]b=\frac{(6)(14219)-(21)(3913)}{(6)(91)-(441)}\Rightarrow b=29.91428571[/tex]

And we solve now for a:

[tex]a=\frac{(3913)-(29.91428571)(21)}{(6)}\Rightarrow a=548.4666667[/tex]

And then we simply replace on the expression:

[tex]y=bx+a[/tex]

And the expression after the replacement of a & b is the linear regression.

First Drop down: Yes or NOSend drop down: is or is not

Answers

Looking at the number line, the length between 0 and 1 is not divided into 3 equal parts. Hence, the answer is no. Victoria is not correct.

First drop-down: No

Second drop-down: is not

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