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rewona [7]
3 years ago
13

Tourists from a tour bus were asked about places they visited during their stay in a city. The results are shown in the table.

Mathematics
1 answer:
denis23 [38]3 years ago
3 0
So I added all of the numbers of tourists together, I got 30 tourists. Then I saw that the number of tourists that visisted the museum but not the zoo was 5. I divided 5 by 30 and got that there was a 16% chance that a randomly selected tourist would of visited the museum but NOT the zoo. 
Hope this helps!
~Lizzie
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Convert the Cartesian equation x 2 + y 2 + 2y = 0 to a polar equation.
Kisachek [45]
R2(<span>cos2</span>ϕ−<span>sin2</span>ϕ)−2rcosϕ=0<span><span>r2</span>(<span>cos2</span>⁡ϕ−<span>sin2</span>⁡ϕ)−2rcos⁡ϕ=0</span>

<span><span><span>r2</span>cos<span>(2ϕ)</span>−2rcosϕ=0</span><span><span>r2</span>cos⁡<span>(2ϕ)</span>−2rcos⁡ϕ=<span>0

Now </span></span></span> divide through by <span><span>r≠0</span><span>r≠0</span></span> and get

<span><span>rcos<span>2ϕ</span>−2cosϕ=0</span><span>rcos⁡<span>2ϕ</span>−2cos⁡ϕ=0</span></span>

or

<span><span>r=2<span><span>cosϕ</span><span>cos<span>2ϕ</span></span></span></span><span>r=2<span><span>cos⁡ϕ</span><span>cos⁡<span>2<span>ϕ</span></span></span></span></span></span>

3 0
3 years ago
Find two equivalent ratios for each ratio.
Damm [24]

Answer:

Ex. 2:1 = 4:2 or 8:4

~Hope this helps!!

3 0
3 years ago
Renee is simplifying the expression (7) (StartFraction 13 over 29 EndFraction) (StartFraction 1 over 7 EndFraction). She recogni
dsp73

Answer:

The correct option is commutative property.

Step-by-step explanation:

The expression that Renee is simplifying is:

(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})

It is provided that, Renee recognizes that 7 and \frac{1}{7} are reciprocals, so she would like to find their product before she multiplies by \frac{13}{29}.

The associative property of multiplication states that:

a\times b\times c=(a\times b)\times c=a\times (b\times c)

The commutative property of multiplication states that:

a\times b\times c=a\times c\times b=c\times a\times b

The distributive property of multiplication states that:

a\cdot (b+c)=a\cdot b+a\cdot c

The identity property of multiplication states that:

a\times 1=a\\b\times 1=b

So, Renee should use the commutative property of multiplication to find the product of 7 and \frac{1}{7},

(7)\cdot(\frac{13}{29})\cdot(\frac{1}{7})=(7\times\frac{1}{7})\times\frac{13}{29}=\frac{13}{29}

Thus, the correct option is commutative property.

5 0
3 years ago
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Which equation represents the graphed function ?
goldenfox [79]

Answer:

A

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

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m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 3) and (x₂, y₂ ) = (1, 1)

m = \frac{1-3}{1-0} = - 2

note the line crosses the y- axis at (0, 3) ⇒ c = 3

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Please help me with this question <br><br> image attached
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THE answer would be 38. letter C.

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3 years ago
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