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dalvyx [7]
2 years ago
15

The table shows the results of a survey of college students. Find the probability that a student’s first class of the day is a h

umanities class, given the student is male. Round to the nearest thousandth.
Male Female

Humanities 70 80
Science 50 80
Other 60 70

A. 0.171
B. 0.467
C. 0.269
D. 0.389

Mathematics
2 answers:
Mariana [72]2 years ago
6 0
Answer is B..............:)
bearhunter [10]2 years ago
5 0

Answer:D. 0.039

Step-by-step explanation:

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Solve for x 5x - 10 = -10​
Zigmanuir [339]

Answer:

the answer is x = 0

Step-by-step explanation:

Cancel equal terms on both sides of the equation:

5x = 0

Divide both side of the equation by 5.

x = 0

Therefore, the answer is x = 0

3 0
3 years ago
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Force is giving away tickets to a school play. She gives away 20 more adult tickets than children's tickets. She gives away 3 ti
swat32
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8 0
2 years ago
Find the X-Intercepts of <br> y=-x^2-2x+1
bekas [8.4K]

Answer:

(1,0)

Step-by-step explanation:

we can't factor this so we'll use the quadratic formula

\frac{-b+\sqrt{b^2-4ac} }{2a}\\\frac{-b-\sqrt{b^2-4ac} }{2a}

(use both of them because usually there  are two zeroes)

We have

\frac{2+\sqrt{4-4}}{2}=\frac{2}{2}=1

Therefore the x intercept is just (1,0)

6 0
3 years ago
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tekilochka [14]
Easy


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7 0
3 years ago
The demand function for a product is modeled by p = 400 − 4x, 0 ≤ x ≤ 100, where p is the price per unit (in dollars) and x is t
lawyer [7]

Answer:

Demand is Elastic when Price > 200 ; Demand is inelastic when Price < 200

Step-by-step explanation:

p = 400 - 4x

4x = 400 - p

x = (400 - p) / 4 → x = 100 - p/4

Elasticity of demand  [ P ed ] = (Δx / Δp) x (p / x)

Δx / Δp  [Differentiating x w.r.t p]  = 0 - 1/4  → = -1/4

P ed =  <u>-1</u> x<u> p </u>

            4   (400 - p)/4

= <u>-1</u> x <u> 4p </u>              = -p / (400-p)

  4   (400 - p)

Price Elasticity of demand : only magnitude is considered, negative sign is ignored (due to negative price demand relationship as per law of demand).

So, Ped = p / (400 - p)

Demand is Elastic when P.ed > 1

p / (400-p)  > 1

p > 400 - p

p + p > 400  → 2p > 400

p > 400 / 2 →  p > 200

Demand is inelastic when P.ed < 1

p / (400-p)  < 1

p < 400 - p

p + p < 400  → 2p < 400

p < 400 / 2 →  p < 200

4 0
3 years ago
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