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3 years ago

Using the distributive property to factorize the equation 3x^2+24x=0, you get

Mathematics

2 answers:

prisoha [69]3 years ago

8 0

Answer:

3x(x+8)=0

x=0,-8

Step-by-step explanation:

100% correct, did the test.

Natalka [10]3 years ago

6 0

Answer:

Step-by-step explanation:

$3x^2+24x=0\\factor: 3x(x+8)=0\\x=0, -8$

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3 years ago

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$\bf 2log(x-3)+1=5\iff 2log_{10}(x-3)+1=5\\\\\\ 2log_{10}(x-3)=4
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log_{10}(x-3)=\cfrac{4}{2}\implies log_{10}(x-3)=2\\\\
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3 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers

An executive in the home construction industry is interested in how house size (House) is influenced by family income (Income),

Harman [31]

Answer:

Check the explanation

Step-by-step explanation:

(a)

P-value of income and size is 0.0003 and 0.0001 respectively. Both are less than 0.05 level of significance. So these are significant ot the model. Option D is correct.

(b)

The model is

House_size = -1.6335+0.4485*income + 4.2615*family_size -0.6517*school

Here we have income = 85600/1000 = 85.6

family_size = 6

school = 13

So the predicted house size is

House_size = -1.6335+0.4485*85.6 + 4.2615*6 -0.6517*13=53.855

the predicted house size (in hundreds of square feet) is 53.86. hence, option B is correct.

Here we have income = 100000/1000 = 100

family_size = 10

school = 16

So the predicted house size is

House_size = -1.6335+0.4485*100 + 4.2615*10 -0.6517*16=75.40

Residual : observed value- predicted value = 70 - 75.40 = -5.40

Option C is correct.

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3 years ago

Using the distributive property to factorize the equation 3x^2+24x=0, you get ​

Using the distributive property to factorize the equation 3x^2+24x=0, you get