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Questions in Grade High-school

[Terjawab] What are the solutions to the following system? $\begin{array}{l} -2 x^2+y=-5 \\ y=-3 x^2+5 \end{array}$ A. $(\sqrt{5},-10)$ and $(-\sqrt{5},-10)$ B. $(0,2)$ C. $(1,-2)$ D. $(\sqrt{2},-1)$ and $(-\sqrt{2},-1)$

[Terjawab] Brianna solved a two-step equation, but she made a mistake along the way. $\begin{aligned} 0.1 x+3 & =1.7 \\ (-3)+0.1 x+3 & =1.7+(-3) \\ 0.1 x & =-1.3 \quad \text { Line } 1 \\ (-0.1)+0.1 x & =-1.3+(-0.1) \text { Line } 2 \\ x & =-1.4 \quad \text { Line } 4 \end{aligned}$ What mistake did Brianna make? A. On Line 1, Brianna should have subtracted 3 instead of adding -3. B. On Line 1, Brianna violated the addition property of equality. C. On Line 3, Brianna should have divided by 0.1 instead of subtracting 0.1. D. On Line 3, Brianna violated the addition property of equality.

[Terjawab] Substituting $y=-2$ back into the first equation gives: $-2 x+\square=-12$

[Terjawab] 2. 186 + 62 + 7 × 3 5. (100 - 50 × 4 + 2) + 3

[Terjawab] Dimension of the lamp shade: Height = 31 cm Diameter = 200 mm The following formulae may be used: Circumference = π x diameter Area of a circle = π x Radius², where π = 3.142 Area of a rectangle = length x breadth Use the information above to answer the questions that follow. 4.1 Explain the term circumference in this context. 4.2 Calculate the circumference of the lamp shade in centimetres.

[Terjawab] Mr. Jack has used the meta tag in his website as shown below. Can you let him know what is the purpose of using the meta tag in the above specified format? A. The above-mentioned keywords cannot be used in the HTML page. B. The values assigned to the content will be rendered in the browser. C. The above doesn't add any value to the web page. D. The above code defines keywords for search engines.

[Terjawab] The oblique pyramid has a square base. An oblique pyramid has a square base with a base edge length of 2 centimeters. The vertical height of the pyramid is 3.75 centimeters. What is the volume of the pyramid? Options: 2.5 cm³ 3 cm³ 5 cm³ 6 cm³ 7.5 cm³

[Terjawab] Irrespective of the type of team, what does effectiveness require? A. Leadership B. Shared responsibility C. Norms D. Rules

[Terjawab] Two resistors of resistances 55Ω and 75Ω connected in series are connected to four cells, each of 1.5V and internal resistance 0.8Ω. If the cells are connected in series, calculate the current passing through the circuit.

[Terjawab] Complete the concept map using the word bank. WORD BANK | absorbs nutrients | anus | ascending | bile | cardiac sphincter | | :---------------- | :---------------- | :---------------- | :---------------- | :---------------- | | cecum | chyme | colon | duodenum | esophagus | | fundus | jejunum | large intestines | liver | mouth | | pancreas | peristalsis | producing amylase | small intestine | stomach | | rectum | rugae | teeth | tongue | waste | BREAKDOWN FOOD functions to DIGESTIVE SYSTEM DIGESTIVE SYSTEM composed of ACCESSORY ORGANS and ALIMENTARY CANAL ACCESSORY ORGANS such as ... to BREAKDOWN FATS ALIMENTARY CANAL begins with ... goes to ... has SALIVARY GLANDS for CHEWING, for MANIPULATING FOOD ALIMENTARY CANAL goes to ... food moves by ... opens from ... ... goes to GALL BLADDER GALL BLADDER production stores ... food becomes ... ... goes to ... which is TOP OF THE STOMACH ... goes to BODY with folds ... ... opens to PYLORIC SPHINCTER PYLORIC SPHINCTER opens to ... is POUCH LIKE ... is FIRST SECTION ... is SECOND SECTION ... is ILLIUM as MESENTERY ... is THIRD SECTION function is to ... ... is THIRD SECTION hangs like CURTAIN which GREATER OMENTUM ... goes to ... consist of TRANSVERSE, DESCENDING ... stores ... ... function to ... has ... OPENING