Solve the given system by the substitution method. 3x+y = 12 %3D 7x- 2y = 15 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution is (Type an ordered pair.) O B. There are infinitely many solutiens. O C. There is no solution.

Q: Solve z = - 4+ 5j leaving your answers in polar form. The three solutions are (41)6 20.749 , (41)º Z...

A: NOTE: Refresh your page if you can't see any equations. . now consider only  compare this number ...

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Q: For the following problem, solve by Guess and Check.  Do not use algebra.   Make a guess that sati...

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Q: How much flour AND salt would be needed? a) Suppose you wanted to make 16 biscuits. 5) The following...

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A: Given query is to find the value of the function at indicated value of x.

Q: Lagrange's Theorem If a function f(x) is continuous in the closed interval [a, b] and is differentia...

A: Proof of Lagrange's theorem.

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Q: 3. It takes 2 men 3 days to build a wall. To answer these questions, assume that all men work at the...

A: (a) it will take 6 days for one man to build the wall.  

Q: What is the nature of the solution set to the following system of equations? X+y = 3 2x + 5y = 12

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Q: Find the center and radius of the circle with a diameter that has endpoints (0, 4) and (2, 0).

A: We know (x-h)2 +( y-k)2 = r2  Where C: (h , k) To find the center, use the mid point formula: C: (x1...

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A: The given system is: x-y=-25x+3y=-8

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A: This question is based on finding inverse of function.

Q: perimeter of is 28, then what is the of the larger rectangle? 3. Two are The length of the is 4 cm a...

A: The length of small rectangle : 4 cmThe length of largest rectangle : 12 cmThe perimeter of small re...

Q: Which expression is equivalent to 4x-4x2 +x- 1? ㅇ (4z2-1) (z- 1) O (2x² + 1)(2æ – 1)(x – 1) O (4교2 +...

A: The objective is to find the correct expression.

Q: oblems 10 O and 11 9, write the augmented matrix for each system of linear equations. Then use the m...

A: Topic:- matrix algebra

Q: A system that is neither inconsistent nor dependent has exactly one solution. O True O False

A: topic- linear equations inconsistent system has no solution consistent and dependent system has infi...

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A: Given query is to find the speed of the car at indicated times.

Q: Identify the equation represented on the graph below. O 2* – 1 =x+ 1 O * - x- 1=x-1 O x-1=2x- x O x-...

A: see below the answer

Q: Prove Corollary 2.48: Let A ∈ Mn×n(F ). Then A is invertible if and only if LA is invertible

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Q: r? + x- 6 Perform the indicated operation and simplify: r² -- x – 2 + 3x

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Q: Consider the following relation. - 6y + Vĩ = 5x + (x – 3)² Step 2 of 3: Evaluate the function found ...

A: Given query is to find value of the function at  x = 1

Q: e m(는)- C e in é? =c -ene=c ->

A: Since, ln e= 1

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Q: Solve for the variable in each of the following equations. Write the answer as an equation. -8b%3D 3...

A: Topic:- algebra 

Q: Interchange the z and y -values of each ordered pai

A: To interchange the x and y -values of each ordered pair.

Q: Clear All Draw: Polygon 7- 3. The graph of f(x) is shown in red.. Draw the graph of g(x) = f( - x). ...

A: The objective is to draw the graph of g(x).

Q: WARM UP 1. What is 59% of 100? 2. What is 59% of 92? 3. What is 59% of 176?

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Q: Relation 1 Relation 2 Domain Range Domain Range -9 moon -1 -8 7 pencil 8. 9. star -8 desk -1 O Funct...

A: Given that: Relations 1, 2, 3, 4.

Q: 4. RVUTS - AEDCB. Find the value of x and y. R A 3 m 18 m 4 m (y+ 2) m C 5 m

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Q: 3. V3x +1 = 10

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Q: Complete an equation for the function graphed above y = Enter abs(x) for x Question Help: D Video M ...

A: We are asked to find the equation of the graph.

Q: 14. A plane traveled 840 miles to Rome, and back. The trip there was with the wind. It took 10 hours...

A: Let's find. 

Q: Which statement is true about the result considering a significance level of 5%? o The result is not...

A: The true statement is:  The result is statistically significant, which implies that spraying the cor...

Q: 1. Solve for the interior angles (in degree) of H and I of the triangle defined by the three points ...

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Q: 1 2 -1 A = 4 6 -2 -1 3 3

A: Let's find. 

Q: Which expression represents the number -3i + 2i3 + 2i2 + V-9 rewritten in a + bi form? O -5 - i O -1...

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Q: A Pontiac Grand Am enters the turnpike traveling at 50mph. One-half hour later, a Ford Mustang enter...

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Q: 2. and IK M 28 X. 54 42 35 K 2. Given A UK - A LMN, find the of U

A: Topic = Triangles

Q: Nelia takes ¾ hour to dress and get ready for school. It takes 4/5 hour to reach the school. If her ...

A: Given that Nelia takes34hour to dress and get ready to school. Number of hour to reach the school is...

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Q: In Problems 8 O and 90, perform each row operation on the given augmented matrix. [1 -3| 8. 2 -4 8 a...

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Q: Solve the system graphically and indicate whether the solution region is bounded or unbounded. Find ...

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Q: Find the focus, directrix, vertex and axis of symmetry for the parabola 12(y + 3) = (æ + 1)*. Focus ...

A: GIVEN:- -12(y+3) =(x+1)2 To find:- Find the focus, directrix, vertex and axis of symmetry for the pa...