 # High school math questions and answers

Recent questions in Secondary OlmekinjP 2021-01-04 Answered

### Convert the following readings of pressureto kPa absolute, assuming that the barometer reads 760mm Hg: (a)90cm Hg gage; (b) 40cm Hg vacuum; (c) 100psig; (d) 8in Hg vacuumand (e) 76 in Hg gage. Thank you very much! Joni Kenny 2021-01-04 Answered

### Four very long, current-carrying wires in the same plane intersect to form a square with side lengths of 45.0 cm, as shown in the figure blelow. The currents running through the wires are 8.0 A, 20.0 A, 10.0 A, and I. Part A Find the magnitude of the current I that will make the magnetic field at the center of the square equal to zero. Part B What is the direction of the current I (up or down)? Sinead Mcgee 2021-01-04 Answered

### Describe the graphs of the equations and inequalities. ${x}^{2}+{y}^{2}=0$ tabita57i 2021-01-04 Answered

### Find the Polar, General Polar, Exponential and General Exponential Form of $-5+9j$ Cem Hayes 2021-01-04 Answered

### Suppose a class consists of 5 students majoring in Computer Science, 5 students majoring in Chemistry and 3 students majoring in Mathematics. How many ways are possible to form a group of 3 students if each group should consist at most 2 students majoring in Computer Science? Jaya Legge 2021-01-04 Answered

### Let D be the set of all students at your school, and let M(s) be a ”s is a math major”, let C(s)”s is a computer science student”, and let E(s) be ”s is an engineering student.” Express each of the following statements using quantifiers, variables, and predicates M(s), C(s) and E(s) Clifland 2021-01-04 Answered

### The polynomial $y=-0.79{x}^{4}+3{x}^{3}+27.3$ describes the billions of flu virus particles in a person’s body x days after being infected. Find the number of virus particles, in billions, after 1 day. ossidianaZ 2021-01-04 Answered

### Find the vertex, focus, and directrix for the parabolas: a) ${\left(y–9\right)}^{2}=8\left(x-2\right)$ b) ${y}^{2}–4y=4x–{2}^{2}$ c) ${\left(x–6\right)}^{2}=4\left(y–2\right)$ tinfoQ 2021-01-04 Answered

### Consider rectangel CREB that is formed of squares COAB and OREA, where $AE=4ft$. Assume squares COAB and OREA are congruent. $BO=3m-2n$ $AR=7\left(m-1\right)-4.8n$ Determine the values of m and n and the length of RB. Efan Halliday 2021-01-02 Answered

### Suppose that A and B are diagonalizable matrices. Prove or disprove that A is similar to B if and only if A and B are unitarily equivalent. djeljenike 2021-01-02 Answered

### Given the matrices Determine the following i)2A-B+2C ii)A+B+C iii)4C-2B+3A iv)$\left(A×B\right)-C$ Tazmin Horton 2021-01-02 Answered

### Find the products AB and BA for the diagonal matrices. $A=\left[\begin{array}{ccc}3& 0& 0\\ 0& -5& 0\\ 0& 0& 0\end{array}\right],B=\left[\begin{array}{ccc}-7& 0& 0\\ 0& 4& 0\\ 0& 0& 12\end{array}\right]$ iohanetc 2021-01-02 Answered

### A study found that one out of every 16 smokers develops lung cancer. ​ (a) Write the fraction as a decimal. ​ (b) Out of a group of 8000 smokers, find the number of expected to develop lung cancer. necessaryh 2021-01-02 Answered

### We need to calculate: The simplified form of Brittney Lord 2021-01-02 Answered

### Prove that $\sum _{j=1}^{n}{2}^{j}={2}^{n+1}-2$ $\mathrm{\forall }\ge 1$ defazajx 2021-01-02 Answered

### Water is stored in a cylindrical tank with a diameter of 36 feet. The surface area of the tank is 4750.1 square feet. What is the height of the tank? Chardonnay Felix 2021-01-02 Answered

### How well materials conduct heat matters when designing houses. As a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. For each of the boldface numbers, indicate whether it is a parameter or a statistic. Explain your answer Sinead Mcgee 2021-01-02 Answered

### Find the absolute value. $|-8|$ slaggingV 2021-01-02 Answered

### Which of the following binomial distributions can be well approximated by a normal distribution? A Poisson distribution? Both? Neither? (b)$n=300$,$p=.05$ Jerold 2021-01-02 Answered

### Is $X\sim N\left(0,1\right)$ a standardized normal distribution? Why or why not?

Turning back to high school math can be essential to understand engineering tasks that you may encounter later. The high school math problems have all the basics that have good equations and answers, which will let you see things clearly. The list of high school math questions below will help you identify your weaknesses and find various solutions. Taking a look at high school math equations, you will see certain parts that can be applied to Physics. In either case, the best way is to learn by example, which is why high school math problems with answers will be essential.