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Alborosie
2 years ago
5

TIMED PLS HELP ME WILL GIVE BRAINLEIST

Mathematics
2 answers:
arlik [135]2 years ago
6 0

Answer: i think a nd c

Step-by-step explanation:

AnnyKZ [126]2 years ago
5 0

Answer:

A&D now give more points and a crown

Step-by-step explanation:

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Factorise a x + b x minus A Y minus b y​
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X(a+b)-y(a+b)
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Jimmy has collected 100 aluminum cans to recycle. He plans to
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true

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What does x equal in 3x + 5 = -7
Stolb23 [73]

Answer:-4

Step-by-step explanation:

Subtract 5 from each side, which leaves you with 3x=-12. Then divide each side by 3. Then that leaves you with x=-4

6 0
3 years ago
You are given that claims are reported according to a homogeneous Poisson process. Starting from time zero, the expected waiting
maxonik [38]

Answer:

1.732

Step-by-step explanation:

You are given that claims are reported according to a homogeneous Poisson process

LetX be the waiting time from 0 to second claim

X is Poisson with averageof 3 hours.

We know in a Poisson distribution the mean = variance

Hence average waiting time = mean = 3

This will also be equal to var(x)

Var(x) = mean of Poisson distribution= 3

Hence standard deviation = square root of variance

=\sqrt{3} \\=1.732

7 0
3 years ago
Use the data in the table below and a graphing calculator to describe how a linear model compares to a quadratic model. Analyze
Delvig [45]

The quadratic model and the linear model of the table of values are the same

<h3>The linear model of the data</h3>

To do this, we make use of a graphing calculator.

From the graphing calculator, we have the following summary:

  • Sum of X = 0
  • Sum of Y = 113
  • Mean X = 0
  • Mean Y = 22.6
  • Sum of squares (SSX) = 10
  • Sum of products (SP) = 28

The regression equation is

y = mx + b

Where

m = SP/SSX = 28/10 = 2.8

b = MY - bMX = 22.6 - (2.8*0) = 22.6

So, we have:

y = 2.8x + 22.6

See attachment for graph (1)

<h3>The quadratic model of the data</h3>

To do this, we make use of a graphing calculator.

From the graphing calculator, we have the following summary:

  • a = 0
  • b = 2.8
  • c = 22.6

0 X^2 +2.8 X +22.6

The regression equation is

y = ax^2 + bx + c

So, we have:

y = 0x^2 + 2.8x + 22.6

See attachment for graph (1)

<h3>Why both graphs look the same</h3>

The graphs look the same because when the quadratic model is simplified, it gives the linear model.

This in other words mean that:

The quadratic model and the linear model of the table of values are the same

Read more about regression at:

brainly.com/question/7656407

#SPJ1

7 0
1 year ago
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