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Usimov [2.4K]
4 years ago
15

Please will give brainliest to best answer

Mathematics
1 answer:
7nadin3 [17]4 years ago
8 0

Answer:

B and C

Step-by-step explanation:

Domain=all real numbers(c)

It isn't A because to be a linear function the equation has to increase at the same rate, but it does increase exponentially;so it is an exponential function.(b)

*if you need help again it would be helpful to graph the equation first

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Penny and Madeline go to the movie theater and purchase refreshments for their friends.
erastovalidia [21]
25=1d+3p

139.75=10d=9p

8 0
3 years ago
-(x+3) = 2x-6 what is x
Makovka662 [10]

Answer:

x=1

Step-by-step explanation:

So, first you make sure to multiply the parenthesis by the negative so then it would be,

-x-3=2x-6

Then you add the -3 from the right to the other side

so, -x=2x-3

Then you want all the X variables to one side so you subtract the 2x to both sides.

so, -3x=-3

divide both by -3

x=1

7 0
3 years ago
The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.5 per week. Find the probabili
Mariana [72]

Answer:

a) 0.01111

b) 0.4679

c) 0.33747

Step-by-step explanation:

We are given the following in the question:

The number of accidents per week can be treated as a Poisson distribution.

Mean number of accidents per week = 4.5

\lambda= 4.5

Formula:

P(X =k) = \displaystyle\frac{\lambda^k e^{-\lambda}}{k!}\\\\ \lambda \text{ is the mean of the distribution}

a) No accidents occur in one week.

P(x =0)\\\\= \displaystyle\frac{4.5^0 e^{-4.5}}{0!}= 0.01111

b) 5 or more accidents occur in a week.

P( x \geq 5) = 1-\displaystyle \sum P(x

c) One accident occurs today.

The mean number of accidents per day is given by

\lambda = \dfrac{4.5}{7} = 0.64

P(x =1)\\\\= \displaystyle\frac{0.64^1 e^{-0.64}}{1!}= 0.33747

5 0
3 years ago
A treasure map says that a treasure is buried so that it partitions the distance between a rock and a tree in a 5:9 ratio. Marin
RideAnS [48]

The correct answer is option B i.e. (7.6, 8.8)

<h3>What is Distance?</h3>

The length along a line or line segment between two points on the line or line segment.

Let the coordinates of the treasure be (x, y).

Let  d₁ =  distance from the rock to the treasure.

Let  d₂ =  distance from the tree to the treasure.

    d₁ = \sqrt{x^2 + (y-2)^2}

    d₂ = \sqrt{(16-x)^2 + (21-y)^2}

We want d₁/d₂ = 5/9 in order to locate the treasure.

Note that 5/9 = 0.556 (approx)

Test (11.4, 14.2)

d₁ = 14.8, d₂ = 8.2, d₁/d₂ = 1.8           Incorrect

Test (7.6, 8.8)

d₁ = 8.2,  d₂ = 14.8,  d₁/d₂ = 0.554    Correct

Test (5.7, 7.5)

d₁ = 6.13,  d₂ = 16.98, d₁/d₂ = 0.36   Incorrect

Test (10.2, 12.6)

d₁ = 12.8,  d₂ = 10.2, d₁/d₂ = 1.255   Incorrect

Thus, The correct answer is option B i.e.  (7.6, 8.8).

Learn more about Distance from:

brainly.com/question/15172156

#SPJ1

4 0
2 years ago
A standard sheet of paper measures 8.5 x 11 inches. find the areas of one such
Xelga [282]
8.5×11=93.5 because you do length time width to get area.
7 0
3 years ago
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