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MATH SOLVE
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1. Solve the system. {j+k=3j−k=7{j+k=3j−k=7 Use the substitution method. The solution is (5, −2)(5, −2). There is no solution. The solution is (8, 1)(8, 1) There are an infinite number of solutions. 2.Solve the system of equations. {y=2x−64x−2y=14{y=2x−64x−2y=14 Use the substitution method. The solution is (4, 14)(4, 14). The solution is (14, 4)(14, 4). There is no solution. There are an infinite number of solutions. 3. Solve the system of equations. {y=x−82x+3y=1{y=x−82x+3y=1 Use the substitution method. (2, −6)(2, −6) (4, −4)(4, −4) (0, −8)(0, −8) (5, −3) 4. What is the y
General
2 months ago
Isabella buys a digital camera and pays $7.20 in sales tax. The tax rate is 6%. What is the original cost of the camera?
General
2 months ago
The function f(x) = (x − 4)(x − 2) is shown.What is the range of the function? all real numbers less than or equal to 3, all real numbers less than or equal to −1, all real numbers greater than or equal to 3, all real numbers greater than or equal to −1
General
2 months ago
How many triangles can be constructed with angles measuring 10º, 80º, and 90º?more than oneonenone------How many triangles can be constructed with sides measuring 15 cm, 7 cm, and 5 cm?onemore than onenone------How many triangles can be constructed with sides measuring 1 m, 2 m, and 2 m?nonemore than oneone------How many triangles can be constructed with three angles, each measuring 63°?noneonemore than one
General
2 months ago
Consider the quadratic function y = (x – 2)2 + 5. Which statements are true about the function and its graph? Check all that apply The vertex of the function is (–2, 5).There are no real roots for the function.The graph of the function opens down.The graph contains the point (2, 5).The graph intersects the x-axis at one unique point.
General
2 months ago
Find cos B exactly if a = 15, b = 11, and angle C is a right triangle choices; a) 15/11 b) 11/15 c) sqrt346/15 d) 15/sqrt346
General
2 months ago
Item 18 you and your friend are selling tickets to a charity event. you sell 7 adult tickets and 16 student tickets for $120. your friend sells 13 adult tickets and 9 student tickets for $140. what is the cost of a student ticket
General
2 months ago
Rectangle EFGH is shown with a line IJ passing vertically through the center of the rectangle. If rectangle EFGH is dilated by a scale factor of six about the center of the rectangle to create rectangle E'F'G'H', dilated line I'J' will: A) remain unchanged B) be parallel to line IJ C) shift six units up D) be perpendicular to line IJ
General
2 months ago
The formula for the lateral surface area of a cylinder is S=2πrhS=2πrh , where r is the radius of the bases and h is the height.Solve for h.a h=2Sπrb h=Sr2πc h=r2Sπd h=S2πr
General
2 months ago
The rule DO,0.25 (x, y) → (0.25x, 0.25y) is applied to the segment LM to make an image of segment L'M', not shown. The coordinates of L' in the image are . The coordinates of M' in the image are . The length, L'M', is . The slope of the original segment and dilated segment are .
General
2 months ago
Mika invested $200 into a certificate of deposit. After 6 months, the balance was $220. What was the interest rate on the deposit?I = prt20 = (200)(r)(0.5)A. 10%B. 20%C. 40%D. 50%
General
2 months ago
brainliesttttttttttttt!!!!A scatter plot is made to model the number of boxes of cereal in Jason's store on different days. The data used for the scatter plot are shown in the table below. Assume that new boxes are not bought to replace the boxes sold:Days 5 3 8 6 0 4Number of cereal boxes sold 50 70 20 40 100 60What does the slope of the model represent? The price of each box of cereal The original number of cereal boxes sold The number of cereal boxes sold on the first day The number of cereal boxes sold per day
General
2 months ago
What is one possible dividend, greater than 1,000, if the quotient is 37 R4
General
2 months ago
simplify the expression4.2v - 5 - 6.5v
General
2 months ago
Can someone help me please?Marta tried solve the system below, but she made a mistake. Read carefully and try to figure out what her mistake was.What was Marta’s mistake? Explain.
General
2 months ago
Ben bought a digital camera for $90. The tax rate is 6%. What is the total amount Ben paid for the digital camera? Enter your answer in the box. $
General
2 months ago
if joe drives 30 mph for 0.5 hours and then 80 mph for 2 hrs, then how far did he drive?
General
2 months ago
1.Given a∥b , and c is not parallel to a or b, which statements must be true?Select each correct answer.m∠7=m∠11m∠5=m∠12m∠4=m∠5m∠1=m∠52.In the figure, AB¯¯¯¯¯∥CD¯¯¯¯¯ and m∠4=85°.What is m∠5?Enter your answer in the box.
General
2 months ago
Lou and Jacob each sold 200 pieces of jewelry. If 20% of Lou’s sales were rings, and Jacob sold 35 rings, who sold more rings? How many more? Use the drop-down menus to explain your answer
General
2 months ago
Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6. 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7
General
2 months ago
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