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Questions in Grade High-school

[Answered] In a survey of 100 people it was found that 65 read magazine [tex]$A$[/tex], 45 read magazine [tex]$B$[/tex], 40 read magazine [tex]$C$[/tex], 25 read magazine [tex]$A$[/tex] as well as [tex]$B$[/tex]; 20 read magazine [tex]$A$[/tex] as well as [tex]$C$[/tex], 15 read magazine [tex]$B$[/tex] as well as [tex]$C$[/tex]; 5 read all three magazines and 5 don't read any of them. i) Find the value of [tex]$n(A \cap B \cap C)$[/tex] ii) Show the information in a Venn diagram. iii) Find the value of [tex]$n(A \cup B \cup C)$[/tex] iv) In every 20 people, one does not read all three magazines. Justify it.

[Answered] This circle is centered at the origin, and the length of its radius is 6. What is the circle's equation? A. $x^6+y^6=1$ B. $x+y=36$ C. $x^2+y^2=6$ D. $x^2+y^2=36$

[Answered] Which line is perpendicular to a line that has a slope of $-\frac{5}{6}$? line JK line LM line NO line PQ

[Answered] It is important to immobilize an injured limb in order to A. prevent it from being injured further B. prevent infections C. slow the healing process D. allow your body to overcome the shock of the injury

[Answered] Prompt: Write an e-mail to a government or school official in which you propose an effective solution to a problem in your community or school.

[Answered] Given that $u=x+1$, which integral is equivalent to $\int \frac{x^2}{\sqrt{x+1}} d x$ ? a $\int(\sqrt{u^3}+\frac{1}{\sqrt{u}}) d u$ b $\int(\sqrt{u^3}-2 \sqrt{u}+\frac{1}{\sqrt{u}}) d u$ c $\int(\sqrt{u^3}-2 \sqrt{u}) d u$ d $\int(\sqrt{u^3}-2 \sqrt{u^2}+\frac{1}{u}) d u$ e $\int(\frac{1}{\sqrt{u}}-2 \sqrt{u}) d u$

[Answered] Which equation represents a line that passes through $(-9,-3)$ and has a slope of $-6$? A. $y-9=-6(x-3)$ B. $y+9=-6(x+3)$ C. $y-3=-6(x-9)$ D. $y+3=-6(x+9)$

[Answered] Language study: Identify the following from the list given in the box below: 4 nouns, 4 verbs, 4 adjectives, 4 adverbs, 4 pronouns. bird healthy wonderful friends gather humans we grasslands helps directly protect arrive together away happy slowly afraid you us

[Answered] On April 11, 2012, two earthquakes were measured off the northwest coast of Sumatra. The first had a magnitude of 8.6. The second had a magnitude of 8.2. By what approximate factor was the intensity of the first earthquake greater than the intensity of the second earthquake? [tex]M=\log \left(\frac{1}{l_0}\right)[/tex] [tex]M=[/tex] the magnitude of an earthquake I = the intensity of an earthquake [tex]I_0=[/tex] the smallest seismic activity that can be measured, which is 1 A. 0.40 B. 1.02 C. 1.05 D. 2.51

[Answered] \frac{(-7)^0 \times 7^9}{(-7)^2(-7)^3(-7)}