1.d 2.b 3.false 4.true

1.d 2.b 3.false 4.true

12/5=2.4 so 2.40dollars=unit rate 12dollars/5cds=2.40/1cd=unit rate since it cost 2.40 dollars for 1cd, then 2.40 dollars X 9cds=21.60 dollars for 9cds ;)

in a random sample of 32 gas grills, the mean price was $280.90 with a standard deviation of $123.70 (answer)

Are you looking for confidence interval? i will assume so its usually 95 percent C.I which means Z of 1.96 mean + or _(Z) std/square root of the population(n) 280.90 +(1.96)123.70/sq root of 32 280-(1.96)123.70/sq root of 32 sq...

Earth Science c/o wetlands plants (answer)

intra = within, and inter = between answer is intraspecific competition because purple loosestrife is a kind of wetland plant and intraspecific is competition WITHIN same species whereas interspecific is competition BETWEEN different species

It stated that a slave (Dred Scott) who had resided in a free state and territory (where slavery was prohibited) was not thereby entitled to his freedom, that African Americans were not and could never be citizens of the United States. A

How do you work a problem like for instance 12x6y9 over 3xy6, will you explain this I get confused. (answer)

4x^5 y^3 when you divide powers, you subtract(so x^6-X1)=x^5 y^9/y^6=y^3 and when you multiply powers, you add them

What is the equation of a line that is perpendicular to y=2x+4 and passes through the point (4,6)? (answer)

slope here is 2 but slope of perpendicular line is 1/2 s0 y=mx+b y=6 x=4 m=1/2 y=mx+b so solve for b b=4 soy=1/2x+4 A

that means there are 672 freshmans in total and 1/16 of them(42) are in math first hour of the day

Earth Science c/o climax communities (answer)

In order for an area to have a climax community it has to be undisturbed which would make it stable climax community is the final stage and primary succession is first so its less diverse

how can I graph -10x = 5y ? (answer)

first divide everything by 5 y= -2x now to graph, start at zero then go down two over 1... then repeat ;)

n + (n + 1)=329 2n+1=329 n=164 therefore n+1=165 164+165=329

She would have to drive 55mph 1mph=8miles xmph=440 440=8x x=55mph

x = first even integer x + 2 = second even integer x + x + 2 = 138 2x+2 =138 x=68 x+2=70 68+70=138

how can I graph y=-0.5x + 4 ? (answer)

4 is the y- intercept.... so go up 4 on the y- axis. 0.5 is the slope... u go .5 up and 1 over

1. Very simple...answer 1250 (15000 - 11250)/3yrs 2. about 4395 in 1998 (in 22 years population increased by 2060, so we can expect population to increase half as much in 11 years(1030) therefore in 5.5 years an increase of 515) in 6 years about 540-550estimation,...

Earth Science c/o Lichens (answer)

1.mutualism 2.Lichens are first to appear in an area during Primary Succession

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