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3 years ago

PLEASE HELP!!!

Mathematics

1 answer:

Artemon [7]3 years ago

3 0

B. T<span>he slope is 10.25. This means that Dante earns $10.25 each hour.

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Blocks numbered 0 through 9 are placed in a box, and a box is randomly picked.

kvasek [131]

A) Since there are 3 (3,5,7) odd primes between 0-9 and there are 10 blocks from 0-9, the probability is 3/10

B) Since there are 3 (1,4,9) perfect squares above 0 and there are a totally 10 blocks from 0-9, the probability is 3/10.

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3 years ago

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A 41-foot ladder is placed against a vertical wall of an apartment building. The base of the ladder is 9 feet from the base of t

amid [387]

The ladder reaches 40 feet up the wall.

41 squared (1681) minus 9 squared (81) is 1600. 40 is the square root of 1600.

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3 years ago

Find the slope of the line -3.5

weeeeeb [17]

-7/2; it’s negative and 3.5 is 7/2 in fraction form

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3 years ago

Advanced question. Who can figure out how you can take an exchange rate which pegs $1.00 US to $1.21 CAD to see how much you wou

xenn [34]

Answer:

$0.83 when solved for (when the actual conversion is done it comes out to be $0.82)

Step-by-step explanation:

We are stating that 1 US = 1.21 CAD

Since they are equal we can assume: $\frac{1 US}{1.21 CAD} =1$

Assume the number we are looking for is x. x US = 1 CAD.

Since they are equal we can assume: $\frac{x US}{1 CAD} =1$

Both equations are equal to 1, meaning the equations are equal to each other. So, $\frac{1US}{1.21CAD}=1= \frac{xUS}{1 CAD}$ ⇒⇒⇒⇒ $\frac{1US}{1.21CAD}= \frac{xUS}{1 CAD}$

Using cross multiplication we get $1US*1CAD=1.21CAD*xUS$

We can discard the units (we only needed them to differentiate which currency we were talking about) to get 1 = 1.21x

Solving for x we get x = 1/1.21 = 0.82645

If you wish to round this you would get around 0.83, which is remarkably close to the actual price of 0.82. The reason for difference is in the numbers we use. When we divide 1/1.12131, we get 0.82433, which would round to be 0.82.

Hope this is correct and helps!

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3 years ago

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as a salesperson at snow sports, Michael receives a monthly base pay plus commission on all that he sells. if he sells $600 wort

skad [1K]

P(s)=b+cs, pay as a function of sales=base+commission(sales)...we are given that:

344=b+600c so we can say that:

b=344-600c, then we are given that:

440=b+1000c, so we can say that:

b=440-1000c

Since b=b we have:

344-600c=440-1000c

400c=96

c=0.24, since b=440-1000c

b=200 so now we have solved for the two constants for our pay equation:

p(s)=200+0.24(s) So if Michael sells $2200 worth of merchandise:

p(2200)=200+0.24(2200)

p(2200)=$728.00

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3 years ago