MATHEMATICS HIGH SCHOOL

Which point below is not on the graphA.)(-13, 7)
B.)(-35, 1)
C.)(11, 5)
D.)(27, 3)

Answers

Answer 1

Answer:

Answer:

It is B

Step-by-step explanation:

Because their isnt a square root fpr 51

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True or False: (x + 4)(x - 4) = x2 - 8x + 16
Jalyn plans to sell Algebra Nation t-shirts as a fundraiser for a new scholarship initiative. The wholesale t-shirt company charges Jalyn $10.00 a shirt for 75 shirts or less. If the number of t-shirts purchased is between 76 and 150 shirts, the company will lower its price to $7.50 per shirt. If Jalyn purchases 150 or more shirts, the price will decrease to $6.00 per shirt. Which of the following statements are true? Select all that apply.

Name the subset(s) of real numbers to which each number belongs. Then order the numbers from least to greatest. 105−−−√,−4,43

Answers

Answer:

(a)

$√(105) => Irrational$

$-4 => Integer$

$(4)/(3) => Rational$

(b)

$-4$ $(4)/(3)$ $√(105)$

Step-by-step explanation:

Given

$√(105)$

$-4$

$(4)/(3)$

Solving (a): The category of number the belong to

$√(105)$

Solve the square root

$√(105) = 10.246950766$

The result is irrational;

So:

$√(105) => Irrational$

$-4 => Integer$

$(4)/(3)$

This has an integer numerator and denominator;

So:

$(4)/(3) => Rational$

Solving (b): Order from least to greatest

i. $√(105) = 10.246950766$

ii. $-4$

iii. $(4)/(3) = 1.33333$

List out the corresponding numbers:

10.246950766; -4 and 1.333333

Reorder: from least to greatest:

-4; -1.3333333 and 10.246950766

Hence; The correct order is:

$-4$ $(4)/(3)$ $√(105)$

Divide £42 in a ratio of 4:6

Answers

4:6
4+6 =10

£42 / 10 = £4.20

£4.20 * 4 = £16.80
£4.20 * 6 = £25.20

Please make this answer the brainiest!

a researcher studied 30 people ages twenty to forty, 30 people ages forty-one to sixty, and 30 people ages sixty-one to eighty. the researcher set up two rooms—one with a faint rose smell, and one with a faint lemon smell. each participant was asked to enter each room and identify the smell in the room. what research method did the researcher use, and what outcome would be found?

Answers

If the researcher set up two rooms—one with a faint rose smell, and one with a faint lemon smell. each participant was asked to enter each room and identify the smell in the room. The research method that the researcher use , and what outcome would be found is: Cross-sectional. The outcome is: As people grow older their sense of smell decrease.

A cross-sectional is a research that is carried out by collecting data from different group of population or by drawing a random sample from a group of population in which the researcher will then study or observe the data collected at a particular period of time.

Based on the given information the researcher is making use of Cross-sectional research method as the researcher what to know how people perceive smell based on their age or how age determine people sense of smell.

The outcome that could be found based on the research is that as people age or grow older their sense of smell decrease or begins to decrease, which simply means that younger people have strongest sense of smell than older people.

Inconclusion If the researcher set up two rooms—one with a faint rose smell, and one with a faint lemon smell. each participant was asked to enter each room and identify the smell in the room. The research method that the researcher use , and what outcome would be found is: Cross-sectional. The outcome is: As people grow older their sense of smell decrease.

Learn more about Cross-sectional here:

brainly.com/question/1900606

Final answer:

The researcher used an experimental method with the type of smell as the independent variable and the identification of the smell as the dependent variable. The outcome would likely reveal differences in odor identification across age groups, with younger ones performing better due to age-related sensory changes.

Explanation:

The research method used in the scenario is known as an experimental method. This technique is adopted in studies where one or more variables are manipulated to analyze the effect on an outcome variable. Here, the independent variable being the type of smell (rose or lemon), and the dependent variable is the identification of the smell. In this experiment, different age groups function as the control variable.

The outcome of the experiment would ideally determine if there's a difference in odor identification across different age groups, and whether the type of scent (rose or lemon) impacts the ability to recognize the odor. Given the information related to sensory changes across different ages found particularly in the sense of smell, it can be postulated that the younger age groups might perform better in identifying the smells correctly. Studies have noted that sense of smell tends to decline after the age of 50.

Learn more about Experimental Research Method here:

brainly.com/question/34018180

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Mrs. Malloy is ordering pizza for her Algebra class. One-fourth of the students wantcheese pizza. If five students want cheese pizza, how many students are there in total?
Use the variable s=students. Your answer should be written as s= your answer.

Answers

Answer:

20 students

Step-by-step explanation:

If 1/4 of the whole class is 5 then 5 + 5 + 5 + 5 = s.

This is because You have to divide the class into 4 parts ad you know each part has 5 people in it.

Have you ever worked with variables? Algebra is a branch of mathematics that specifically deals with the idea of using variables to solve problems. What kinds of problems have you already solved using variables? Do you know any real-life applications for variables?Think about the numbers you encounter in the world around you. Do you understand what they really mean? Interactions at grocery stores, gas stations, and online shopping commonly involve numbers. These interactions can be better understood using algebra. Is there anything you don’t know involving numbers that you wish you better understood?

Answers

Answer:

Well, I think we all worked with variables, but don't realise about it, because when people see these terms ''variable'', ''algebra'', they freak out.

The reality is that variables are everywhere, they are all those stuff that can variate: weigh, highness, money, population, interests, and so on.

A common problem I solved using variables is measuring time. For example, when I'm going to school I tend to calculate the time of my way.

Well, whenever you are playing a sport many things causes you to consider the variables. That is the first variable that popped in my head.

Suppose the population of trout in a certain stretch of a river is 4000. In about how many years will the population of trout be 700 if the decay rate is 35%? Use the equation 700 = (4000)(0.65)x and round the value of x to the nearest year.

Answers

Answer: 4 years

Step-by-step explanation:

The exponential decay equation is given by :_

$y=A(1-r)^x$ , where A is the initial population and r is the rate of decay in x years .

The initial population of trout in a certain stretch of a river =4000

The rate of decay = 35% =0.35

To find the number of years (x) for the population of trout be 700, we put all the values of the above equation, we get

$700=4000(1-0.35)^x\n\n\Rightarrow700=4000(0.65)^x\n\n\Rightarrow (0.65)^x=(700)/(4000)\n\n\Rightarrow(0.65)^x=0.175\n\n\text{Taking log on both sides, we get}\n\n\Rightarrow x\log(0.65)=\log(0.175)\n\n\Rightarrow x(-0.187086643357)=-0.756961951314\n\n\Rightarrow x=(-0.756961951314)/(-0.187086643357)\n\n\Rightarrow\ x=4.0460502029\approx4\text{ years}$