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harkovskaia [24]
3 years ago
13

What is the inequality for this verbal description?

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0

Answer:

B

Step-by-step explanation:

Okay so, The amount of money she has has to be enough to buy the things she wants. Therfore, She either has to have more than enough or the exact amount. Please tell me if you need further answers ;3.

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Match each function formula with the corresponding transformation of the parent function y = (x - 1)2 1. y = - (x - 1)2 Reflecte
lawyer [7]

Answer:

  1. y = -(x-1)² . . . . reflected over the x-axis
  2. y = (x-1)² +1 . . . . translated up by 1 unit
  3. y = (x+1)² . . . . reflected over the y-axis
  4. y = (x-2)² . . . . translated right by 1 unit
  5. y = (x-1)² -3 . . . . translated down by 3 units
  6. y = (x+3)² . . . . translated left by 4 units

Step-by-step explanation:

Since you have studied transformations, you are familiar with the effect of different modifications of the parent function:

  • f(x-a) . . . translates right by "a" units
  • f(x) +a . . . translates up by "a" units
  • a·f(x) . . . vertically scales by a factor of "a". When a < 0, reflects across the x-axis
  • f(ax) . . . horizontally compresses by a factor of "a". When a < 0, reflects across the y-axis.

Note that in the given list of transformed functions, there is one that is (x+1)². This is equivalent to both f(x+2) and to f(-x). The latter is a little harder to see, until we realize that (-x-1)² = (x+1)². That is, this transformed function can be considered to be either a translation of (x-1)² left by 2 units, or a reflection over the y-axis.

8 0
3 years ago
According to a survey, 62% of murders committed last year were cleared by arrest or exceptional means. Fifty murde committed las
alexira [117]

Answer:

a) The probability that exactly 41 of the murders were cleared is 0.0013

b) The probability that between 36 and 38 of the murders, inclusive, were cleared is 0.0809.

c) Yes, it would be unusual

Step-by-step explanation:

Let p=62% considered as the probability of having a commited that is cleared by arres or exceptional means. We assume that choosing each of the 50 commited is independent of each choose. Then, let X be the number of cleared. In this case, X is distributed as a binomial random variable. Recall that, in this case,

P(X=k) = \binom{50}{k} p^{k}(1-p)^{50-k} for0\leq k \leq 50, with p=0.62

a) We have that

P(X=40) = \binom{50}{40} p^{40}(1-p)^{50-40} =0.001273487

b) We are asked for the following

P(36\leq X \leq 38) = P(X=36)+P(X=37)+P(X=38) = 0.080888936&#10; (The specific calculation is omitted.

c) We will check for the following probability P(X\leq 19)

P(X\leq 19 ) = \sum_{k=0}^{19} P(X=k) = 0.000499222&#10;

Given that the probability of this event is really close to 0, it would be unusual if less than 19 murders are cleared.

4 0
3 years ago
Can somebody help me. Will Mark brainliest.
cricket20 [7]

Answer:

around 81.2 degrees

Step-by-step explanation:

use inverse tangent

remeber tan = O/H

divide it first

84/13

6.461538461538462

then use invese tan(tanx^{-1})

81.20258929000894

or around 81.2 degrees

4 0
3 years ago
In ABC, AC is extended through point C to point D,<br> m&lt; BCD = (9x - 1), m m
omeli [17]

Answer:

cx

Step-by-step explanation:

4 0
3 years ago
BIBIDI BABIDI BUU I NEED HELP FROM YUU
MrRa [10]

LoLlLOOlLlL A or D I think please don’t trust me

7 0
3 years ago
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