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larisa [96]
3 years ago
7

What is the solution to this linear system?

Mathematics
1 answer:
Artyom0805 [142]3 years ago
6 0

Answer:

(- 1, 7 )

Step-by-step explanation:

Given a system of linear equations graphically, then the solution is at the point of intersection of the 2 lines.

The lines intersect at (- 1, 7 ) which is then the solution to the system

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What are 2 irrational numbers between 13 and 15
zvonat [6]
1. 13.1585824828741586788.......
2. 14. 4532514582525563325585.....

"<span>An </span>Irrational Number<span> is a real number that </span>cannot<span> be written as a simple fraction.</span>"

Hope I helped:)
4 0
4 years ago
Find the derivative of the inverse function of the original function f(x)=(x+1)^3-5
____ [38]

Answer:

Step-by-step explanation:

let f(x)=y

y=(x+1)^{3} -5\\flip ~x~and~y\\x=(y+1)^{3}-5\\(y+1)^{3}=x+5\\y=(x+5)^{\frac{1}{3} } -1\\or~f^{-1}(x)=(x+5)^{\frac{1}{3} } -1\\(f^{-1})'(x)=\frac{1}{3} (x+5)^{\frac{-2}{3} }

4 0
4 years ago
a baker used 660 boxes of cake mix to make a wedding cake. if each box called for 3 eggs, how many dozen eggs were used to make
yanalaym [24]
We know there’s 660 boxes and each box called for 3 eggs, therefore:

660=3X

when divide both sides by 3 to isolate the x, which will tell us the amount of eggs used…

660/3 = 220
6 0
3 years ago
You want to test the claim that the average age of students at Gorka College is greater than the average age of students at Yapo
777dan777 [17]

Answer:

Kindly check explanation

Step-by-step explanation:

The hypothesis :

H0 : μ1 = μ2

H1 : μ1 > μ2

Given :

x1 = 21.1 ; n1 = 53 ; s1 = 1.1

x2 = 20.7 ; n2 = 46 ; s2 = 1.2

The test statistic :

(x1 - x2) / √[(s1²/n1 + s2²/n2)]

(21.1 - 20.7) / √[(1.1²/53 + 1.2²/46)]

0.4 / 0.2326682

Test statistic = 1.719

The degree of freedom using the conservative method :

Comparing :

Degree of freedom = n - 1

Degree of freedom 1 = 53 - 1 = 52

Degree of freedom 2 = 46 - 1 = 45

Smaller degree of freedom is chosen ;

The Pvalue from Test statistic, using df = 45

Pvalue = 0.0462

Pvalue < α ; Hence, there is significant evidence to conclude that average age of Gorka student is higher than Yaphoa.

7 0
3 years ago
Solve for b the problem is a=1/3BH
egoroff_w [7]
A = 1/3 * b * h....divide both sides by 1/3h
a / (1/3h) = b 
3a / h = b <===
8 0
4 years ago
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