3 years ago

In the proof below, what is the missing reason?

Mathematics

1 answer:

blondinia [14]3 years ago

6 0

Answer:

AAS

Step-by-step explanation:

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Tatiana wrote the steps that are commonly used to solve a system of equations with two variables. Which steps are correct? Check

Ede4ka [16]

These ones are correct:
Multiply the value of the first variable by one of the original equations to solve for the second variable.
Solve for one of the variables
Substitute the value of the known variable into one of the original equations to solve for the unknown variable.

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If (x) = 3x + 1 and f ^1- = x-1/3 help pls

GREYUIT [131]

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3 years ago

7x + 1 = x + 7 whats the answer

Gnoma [55]

7x + 1 = x + 7

7(1) + 1 = 8

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If you substitute 1 for x, the statement is true. Therefore, x = 1.

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Explain why x and 4x - 10 are factors of the expression x(4x - 10)3 rather than terms of the expression. What are the terms of t

andriy [413]

Solution :- Let p(x) be the polynomial such that

$p(x) = x(4x-10)^3\\\text{and let f(x) be another polynomial such that }\\f(x)=4x-10\\\text{To find , Put } f(x)=0\\\Rightarrow4x-10=0\\\Rightarrow4x=10\\\Rightarrow x=5/2\\\text{Now substituting value of x in p(x),we get}\\p(x)=\frac{5}{2} .(4(5/2)-10)^3\\\Rightarrow\frac{5}{2}.(10-10)^3=0\\\text{Similarly let g(x)=x ,we get x=0 by putting g(x)=0}\\\text{now f(x)=0 for x=0}\\\text{So by Factor theorem f(x) and g(x) are the factors of polynomial p(x)}\\$

$\text{Now} p(x) = x(4x-10)^3\\=64x^4-480x^3+1200x^2-1000x\\\text{so the terms of terms of } p(x) \text{are} 64x^4,-480x^3,1200x^2,-1000x\\\text{here, by using Factor theorem x is a factor of all the terms but 4x-10 is not. }$

$\text{And the terms of the factor 4x-10 are 4x and -10}$

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3 years ago

Multiply or divide, write your answer in scientific notation.

Sidana [21]

1.44/2.4 • 10^10/10^2
= 6 • 10^7 in scientific notation

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