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3 years ago

Which of the following inequalities has a solution x≥−3

Mathematics

1 answer:

My name is Ann [436]3 years ago

6 0

Answer: A

Step-by-step explanation: 3(x-1) becomes 3x -3 ≤ 4x. Put all like variables on the same side, meaning you'll subtract 3x from both sides giving you -3 ≤ x. You can flip the equation around to make it look exactly like x ≥ -3

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FOR BRAINLIEST ANSWER THIS ASAP

mel-nik [20]

Answer:

-3x + y = -14

Step-by-step explanation:

m = 3/1 = 3

1 = 15 + b

b = -14

Y = 3x - 14

-3x + y = -14

5 0

2 years ago

Question 4 options: Find the mean and standard deviation for a binomial distribution with 680 trials and a probability of succes

lys-0071 [83]

Answer:

Mean for a binomial distribution = 374

Standard deviation for a binomial distribution = 12.97

Step-by-step explanation:

We are given a binomial distribution with 680 trials and a probability of success of 0.55.

The above situation can be represented through Binomial distribution;

$P(X=r) = \binom{n}{r}p^{r} (1-p)^{n-r} ; x = 0,1,2,3,.....$

where, n = number of trials (samples) taken = 680 trials

r = number of success

p = probability of success which in our question is 0.55

So, it means X ~ $Binom(n=680, p=0.55)$

Now, we have to find the mean and standard deviation of the given binomial distribution.

Mean of Binomial Distribution is given by;

E(X) = n $\times$ p

So, E(X) = 680 $\times$ 0.55 = 374

Standard deviation of Binomial Distribution is given by;

S.D.(X) = $\sqrt{n \times p \times (1-p)}$

= $\sqrt{680 \times 0.55 \times (1-0.55)}$

= $\sqrt{680 \times 0.55 \times 0.45}$ = 12.97

Therefore, Mean and standard deviation for binomial distribution is 374 and 12.97 respectively.

3 0

3 years ago

You are playing a board game with a friend. At the start, you move four spaces back. On your next turn, you move two spaces forw

igomit [66]

Answer:

x=-4+2

Step-by-step explanation:

6 0

3 years ago

MATH HOMEWORKKKKKKKKKKKKKKKKKKKKKKKK

BaLLatris [955]

20.9984 rounded = 21

6 0

2 years ago

Square GYTD has vertices G(−4,3) , Y(0, 3) , T(0,−1) and D(−4,−1) . Square GYTD is translated 2 units left and 2 units up to

Sliva [168]

we know that

If square GYTD is translated $2$ units left and $2$ units up to produce square G'Y'T'D'

that means

the rule of transformation is

$(x,y)-------> (x-2,y+2)$

Find the coordinates of the image

$G (-4,3)------->G'(-4-2,3+2)=G'(-6,5)$

$Y (0,3)------->Y'(0-2,3+2)=Y'(-2,5)$

$T (0,-1)------->T'(0-2,-1+2)=T'(-2,1)$

$D (-4,-1)------->D'(-4-2,-1+2)=D'(-6,1)$

therefore

the answer is the option

G'(−6, 5), Y'(−2, 5), T'(−2, 1) , and D′(−6, 1)

6 0

3 years ago

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