# High school math questions and answers

Recent questions in Secondary
allhvasstH 2020-11-10

### If an integer greater that 4 is a perfect square, then the immediately preceding integer is not prime.

Josalynn 2020-11-10

### $y=\mathrm{ln}\left(\mathrm{cos}x\right)$ find curvature of the plane

Rui Baldwin 2020-11-10

### For $f\left(x\right)={\mathrm{log}}_{2}x$ between which two integers does f(40) lie? Explain.

Khaleesi Herbert 2020-11-10

### 2x-7=0.5x+0.5 solve for x

FizeauV 2020-11-10

Haven 2020-11-10

### $\left(3{\sqrt{-\left\{\frac{1}{8}\right\}}}^{3}+3\left(\frac{3}{4}\right)$

bobbie71G 2020-11-10

### what is $-8-1x=3x-4$

abondantQ 2020-11-10

### Find the trace of the plane in the given coordinate plane. $3x-9y+4z=5,yz$

Wierzycaz 2020-11-10

### Using the health records of ever student at a high school, the school nurse created a scatterplot relating About what percent of 15-year-old students at this school are taller than 180 cm?

Daniaal Sanchez 2020-11-10

### Here is a sample of amounts of weight change (kg) of college students in their freshman year: 10, 7, 6, -7, where -7 represents a loss of 7 kg and positive values represent weight gained. Here are ten bootstrap samples: $\left\{10,10,10,6\right\},\left\{10,-7,6,10\right\},\left\{10,-7,7,6\right\},\left\{7,-7,6,10\right\},\left\{6,6,6,7\right\},\left\{7,-7,7,-7\right\},\left\{10,7,-7,6\right\},\left\{-7,7,-7,7\right\},\left\{-7,6,-7,7\right\},\left\{7,10,10,10\right\}$. a) Using only the ten given bootstrap samples, construct an 80% confidence interval estimate of the mean weight change for the population. $kg<\mu

vazelinahS 2020-11-10

### Form (a) the coefficient matrix and (b) the augmented matrix for the system of linear equations. $\left\{\begin{array}{l}8x+3y=25\\ 3x-9y=12\end{array}$

Falak Kinney 2020-11-10

### Define Transformation. Write down the properties of Linear transformation and rotational transformation.

SchachtN 2020-11-10

### Determine the absolute value of the complex number $2-3i$.

remolatg 2020-11-10

### Series to functions Find the function represented by the following series, and find the interval of convergence of the series. (Not all these series are power series.) $\sum _{k=1}^{\mathrm{\infty }}\frac{{x}^{2k}}{{4}^{k}}$

Lipossig 2020-11-10

### Find the following limit. $\underset{n\to \mathrm{\infty }}{lim}\frac{2{n}^{2}+2}{5{n}^{3}-3n-1}$

Dolly Robinson 2020-11-10

### Evaluate the following limits $\underset{x\to 0}{lim}\frac{\mathrm{sin}7x}{\mathrm{sin}3x}$

Yasmin 2020-11-10

### Find the limits: $\underset{x\to 2}{lim}\frac{\sqrt{{x}^{2}+12}-4}{x-2}$

CoormaBak9 2020-11-10