A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. 10x - 5y = 90 10x + 7y= 66 Add to eliminate x. Subtract to eliminate x. Subtract to eliminate y. Add to eliminate y.

Q: Prove that sin2x = 2cotx csc² x is an identity. ✓VV

A: NOTE: Refresh your page if you can't see any equations. . . the left-hand side is

Q: 13) 7. A submarine descends from sea level to the location shown on the number line. Which statement…

A: we need to select the correct answer that gives the statement which is not true.

Q: [28 Let A = 50 8 What is the value of (A)13?.

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: 6. f(x) = x³ - 2x² + x Degree: Number of Real Roots: Roots: ↑

A:

Q: Determine whether the following relation is a function. Give the domain and range for the relation.…

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Q: Multiply the 1st equation by 3 to make -9x. -3x + 5y = -8 9x - 2y = 30

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Q: A company producing stereos can produce a stereo for ​$112 on top of the​ company's annual fixed…

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Q: 10. A weather station buoy floats in the ocean. The buoy monitors wave heights by recording how its…

A: A weather station buoy floats in the ocean. The buoy monitors wave heights by  recording how its…

Q: Identify the following set as finite or infinite. (3, 6, 9, 12,..., 903)

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Q: For each kilogram of a person's weight, 2.5 milligrams of a drug is to be given. What dosage should…

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Q: Question 2 ▼ > Let the universal set be U = {-10, -9,-4, -2,0, 1, 2, 3, 5, 10} and sets A = {1, 2,…

A: U=(-10,-9,-4,-2,0,1,2,3,5,10) A=(1,2,5,10) B=(-9,-2,0,1,2,10)

Q: According to data, the accident rate as a function of the age of the driver in years x can be…

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Q: Solve the following initial value problem: y(t) dy dt +0.7ty=6t, y(0) = 5

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Q: Find the sum -2-1+0+...+1 Answer 0

A: NOTE: Refresh your page if you can't see any equations. . the given series is

Q: 1. How do we add and subtract matrices and when are these operations defined? 2. How do we perform…

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Q: The table below represents a direct variation. Fill in each blank with the correct value for A, B,…

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Q: The graph of y = f(x) is graphed below. What is the end behavior of f(x)? 1795-5 1571.06 1346.63…

A: The graph of y = f(x) is

Q: The 63 students in a classical music lecture class were polled, with the results that 38 like…

A: We are required to find the answer to the given questions using the data given in the question and…

Q: Consider the angles in the accompanying figure. Classify the named angles as acute, right, straight,…

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Q: 1. In a special runoff election, Larry Trusterton was elected county treasurer with 52% of the…

A: For the following problem

Q: -1 A= (52) 0 Problem 3. Given A= find A+1₂

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Q: The cheerleader sold 1,840 snacks afterschool. The cheerleaders sold twice the amount that the…

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Q: y N 11 11 X ||

A: Follow the procedure given below.

Q: me given statement, (An B) CA, is not always true. always true.

A: We will find the required.

Q: 13. 2401; base 7 14. 256; base-4 opyright by Holt, Ripsngry er(-4) 6. Anna needed to let everyone in…

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Q: Solve the following equation √2x +3-√√x +2=2 O a) x = 23 b) x = 23, -1 c) x = -1 d) x = 3/4, 23

A: given  2x+3-x+2=2(a+b)2=a2+b2+2ab

Q: Let A be a 2 x 2 matrix. Given the following descriptions, determine the following elementary…

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Q: Kat has two square-shaped doormats. If the length of the second doormat is 3 inches longer than the…

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Q: 4. f(x) = 3x³ - 5x²-47x-15 Degree: Number of Real Roots: Roots:

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Q: below. Let B = the set of patients with high blood pressure. Let C= the set of patients with high…

A: Topic - Sets We are given: n(B)=39n(C)=32andn(B∩C)=14

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Q: -5 Are the columns of P = 44 2 eigenvectors of A = -1 2 -21 Answer true only if both columns of P…

A: Please see the below picture for detailed solution.

Q: The table shows the monthly high temperature for Hopkins County for an 8-month period. Month Mar Apr…

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Q: You are at the store and find a shirt that the price tag says $40.00. When you go to pay the store…

A: we need to to find out the perfect change.

Q: Consider the points A(-10,8), B(-1,-13), C(-4,-15). Given that ABCD is a parallelogram, find the…

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Q: did

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Q: L y=-x+4 m=b=L(0.-1) m = -1 b = 4 (0.4) 4 y = 2x (x+y=3 m = 2 b = 0 (0.0) a = 3 (30) b = 3 (0,3)…

A: see below the graph

Q: Shown to the right is a magic square (all rows, columns, and diagonals sum to the same number). Find…

A: We have to find the value of a, b, c, d.

Q: Given vector = v 1 -5 3 state a vector with all non-zero entries which is orthogonal to v.

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Q: Describe the following feature of a Ferris wheel for which the height of a rider (in feet) right…

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Q: x+3x²+2x-8

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Q: 1. Length C in cm is proportional to length I in inches. Find the equation of variation if I = 5.34…

A: Given Length C in cm is proportional to Length I in inches Length = C ( in cm ) Length = I ( in…

Q: ) Determines the average rate of population variation between 1990 and 1995. B) Determines the…

A: Follow the procedure given below.

Q: The reduced row-echelon forms of the augmented matrices of four systems are given below. How many…

A: We have to answer 4 questions.

Q: Find an ordered pair (x, y) that is a solution to the equation. -x+3y=8 (x, y) = (0) X Ś

A: Solution: Here -x+3y=8. ------ (1)

Q: Given that X 15 is an eigenvalue of the matrix A - 0 15 0 30 -15 0 30 -30 15 find a basis for this…

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Q: Randi and Thanh went picking strawberries. Randi picked 121 fewer strawberries than Thanh did.…

A: given  randi picked 121 fewer strawberries than thanh did together they picked 235 strawberries let…

Q: [I-ItemC&D] Directions: Identify polynomial equation. Kindly answer the given questions completely…

A: Given Polynomials:- c. 6+3x+5x3-2x2=0 d. x4+8

Q: Write the point-slope form of the line that passes through (4, 2) and is parallel to the line whose…

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Q: Write and solve an equation to answer the question. A truck rental is $30 plus $. 30/mi. Find out…

A: Given that a truck rental is $30 plus $0.30/mi.