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3 years ago

!!Please Helppppppp ASAP!! ):

Mathematics

2 answers:

kirza4 [7]3 years ago

7 0

Answer:

A.)32

Step-by-step explanation:

x is increasing by 3 while y is increasing by 2

I hope it helped

kherson [118]3 years ago

5 0

Answer:

A.)32

Step-by-step explanation:

x is increasing by 3 while y is increasing by 2

This is a sort of guess so I hope its right

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9. On a game show, there are 16 questions: 8 easy, 5 medium-hard, and 3 hard. If contestants are given questions

just olya [345]

Answer:

$\frac{7}{30}\approx0.23$

Step-by-step explanation:

Given:

Number of questions (N) = 16

Number of easy questions (E) = 8

Number of medium-hard questions (M) = 5

Number of hard questions (H) = 3

Now, the probability of getting the first question as easy question is given as:

$P(E1)=\frac{\textrm{Number of easy questions}}{\textrm{Total questions}}\\\\P(E1)=\frac{E}{N}=\frac{8}{16}=0.5$

Now, probability of getting the second question as easy question is given as:

$P(E2)=\frac{\textrm{Number of easy questions left}}{\textrm{Total questions left}}\\\\P(E2)=\frac{E-1}{N-1}=\frac{7}{15}$

Now, probability that the first two contestants will get easy questions is given by the product of $P(E1)\ and\ P(E2)$ . So,

$P(2\ easy\ questions)=P(E1)\times P(E2)\\\\P(2\ easy\ questions)=\frac{1}{2}\times \frac{7}{15}\\\\P(2\ easy\ questions)=\frac{7}{30}\approx 0.23$

Therefore, the probability that the first two contestants will get easy questions is $\frac{7}{30}\approx0.23$

7 0

3 years ago

Find the measure of each angle indicated 50° A) 65° C) 50° B) 45° D) 46°

AURORKA [14]

Answer:

Step-by-step explanation:

i estimated this answer

8 0

3 years ago

Read 2 more answers

How is a tanget different from a chord ?

jolli1 [7]

Answer:

We know that a tangent is a straight line that touches a curved surface or some curve at exactly one point. Or in short we may say that it just touches the curve. In geometry a chord is a straight line segment whose both end points lie on any curve.

Step-by-step explanation:

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3 years ago

Given f(x) = ax – b, what is f-1(x)

swat32

The correct answer is x+b/a

f^{-1}(x)=\frac{x+b}{a}

8 0

3 years ago

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Find the given limit lim(x,y)→(a,a)x4−y4x2−y2=lim(x,y)→(a,a) (x^4−y^4)/(x2−y2)= here aa is a constant. (find the limit assuming

Aliun [14]

If $x\neq y$ , then we can write

$\dfrac{x^4-y^4}{x^2-y^2}=\dfrac{(x^2-y^2)(x^2+y^2)}{x^2-y^2}=x^2+y^2$

and since this is continuous for all $x\neq y$ , the limit as $(x,y)\to(a,a)$ will be

$\displaystyle\lim_{(x,y)\to(a,a)}\frac{x^4-y^4}{x^2-y^2}=\lim_{(x,y)\to(a,a)}(x^2+y^2)=2a^2$

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4 years ago