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Please help If you vertically stretch the exponential function f(x)=2^x by a factor of 5, what is the equation of the new function A.f(x)=5(2^x)B.f(x)=10^xC.f(x)=7^xD.f(x)=2^(5x)
General
2 months ago
The “staircase” below is 4 units tall and contains 10 unit squares. Suppose the staircase were extended until it was 12 units tall. How many unit squares would it then contain all together?
General
2 months ago
match each set of vertices with the type of quadrilateral they form1. A (2,0), B (3,2), C (6,3), D (5,1)A. A parallelogram with non perpendicular adjacent sides 2. A (-5,-3), B (-4,-1), C (-1,-1), D (0,-3)B. A Square3. A (3,3), B (2,5), C (4,6), D (5,4)C. A rectangle with non congruent adjacent sides4. A (3,3), B (3,6), C (7,6), D (7,3)D. a rhombus with non perpendicular adjacent sides5. A (2,-2), B (3,0), C (4,-2), D (3,-4)
General
2 months ago
It costs $21.50 to enter an amusement park and $0.25 to ride a ride. You have $22.25. Write an equation that represents the number r of rides you can ride. An equation is ? =22.25
General
2 months ago
Howard is saving to buy a mountain bike that costs $245, excluding tax. He already has saved $28. What is the least amount of money Howard must save each week so that at the end of the 9th week, he has enough money to buy the bike. Round your answer to the nearest dollar.
General
2 months ago
Lia must work at least 5 hours per week in her family’s restaurant for $8 per hour. She also does yard work for $12 per hour. Lia’s parents allow her to work a maximum of 15 hours per week overall. Lia’s goal is to earn at least $120 per week.Write a system of inequalities to represent this situation. Let r be the number of hours worked at the restaurant, and let y be the number of hours of yard work.Graph the inequalities.What is the maximum number of hours Lia can work at the restaurant and still meet her earnings goal? Explain.What is the maximum amount of money Lia can earn in 1 week? Explain.
General
2 months ago
Gia’s house is located 24 kilometers southeast of the library. Her school is located 7 kilometers southwest of the library and 25 kilometers due west of her house. Which statement is true?A.If Gia walks directly from her house to her school, and then directly from her school to the library, her path will form a right angle.B.If Gia walks directly from her house to the library, and then directly from the library to her school, her path will form a right angle.C.If Gia walks directly from her school to her house, and then directly from her house to the library, her path will form an right angle.D.There is no right angle formed by any two paths connecting Gia’s house, her school, and the library.
General
2 months ago
The dilation rule DF,3(x, y) is applied to △ABC, where the center of dilation is at F(1, 1). The distance in the x-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s). The distance in the y-coordinates from A(–2, 2) to the center of dilation F(1, 1) is unit(s). The vertex A' of the image is .
General
2 months ago
Select all of the following true statements if R = real numbers, Z = integers, and W = {0, 1, 2, ...}W ⊂ ZR ⊂ W0 ϵ ZØ ⊂ R{0, 1, 2, ...} ⊆ W-2 ϵ W
General
2 months ago
Giovanni has a dog enclosure that is 6 feet by 10 feet in his backyard. He wants to double the area of the enclosure by increasing the length and the width by the same amount. By how many feet will the length and the width be increased? Round to the nearest hundredth if necessary.
General
2 months ago
Mike is preparing refreshments for a party. To make a smoothie, he will mix 3 1⁄2 quarts of strawberry puree with 2 pints of lemonade and 1 1⁄4 gallons of water. How much smoothie will he make?
General
2 months ago
A movie theater is located on a map of a city represented by a coordinate plane. The location of the movie theater is at (2, −3). Which map shows the correct location of the movie theater?A coordinate grid with a point at 2 units to the right and 3 units down from the origin labeled movie theater.A coordinate grid with a point at 2 units to the left and 3 units down from the origin labeled movie theater. A coordinate grid with a point at 2 units to the left and 3 units up from the origin labeled movie theater. A coordinate grid with a point at 2 units to the right and 3 units up from the origin labeled movie theater.GET THIS RIGHT YOU GET 50 POINTS
General
2 months ago
50 points!Marc left his house to drive to work. He slowly pulls out of his driveway at a constant speed, and then his speed increases steadily until he reaches the speed limit. He uses cruise control to drive the speed limit until he comes upon some traffic. He then slows down to a new constant speed. When he gets near his office, his speed steadily decreases until he comes to a stop right in front of his office building.Which graph represents Marc’s drive to work?
General
2 months ago
Tyrone is comparing two checking accounts. One has a monthly fee of $5 and a per-check fee of $0.25, and the other has a monthly fee of $6 and a per-check fee of $0.15. What is the minimum number of checks Tyrone needs to write for the second bank to be a better option?
General
2 months ago
simplify −6(3i)(−2i) and 2(3 − i)(−2 + 4i) show work please
General
2 months ago
Maggie used the commutative property to write 4/5+6.9y-8 as the equivalent expression 6.9y+8-4/5. Did Maggie apply the commutative property correctly? Why or why not?
General
2 months ago
Plz Help!!!One year after a tree is planted, the tree is 3.5 ft tall. Each year, the tree grows 1.5 ft.What function, written in sequence notation, models the height of the tree n years after it is planted?an=1.5n+2an=3.5n+1.5an=1.5n+3.5an=5n+1.5
General
2 months ago
A recursive rule for a geometric sequence is a1=8;an=3/4an−1 .What is the explicit rule for this sequence?
General
2 months ago
Which statements are true about the ordered pair (7, 19) and the system of equations? {2x−y=−5x+3y=22 Select each correct answer. The ordered pair (7, 19) is a solution to the first equation because it makes the first equation true. The ordered pair (7, 19) is a solution to the second equation because it makes the second equation true. The ordered pair (7, 19) is not a solution to the system because it makes at least one of the equations false. The ordered pair (7, 19) is a solution to the system because it makes both equations true.
General
2 months ago
Liz and Sara are making cookies for a bake sale. The graph shows the number of cookies that Liz bakes during a 5-hour period. Graph in the coordinate plane with title cookies baked by Liz. Vertical axis goes from 0 to 220 in increments of 10 and is labeled number of cookies baked. Horizontal axis goes from 0 to 5 in increments of 1 and is labeled time in hours. A ray on the graph starts at point begin ordered pair 0 comma 19 end ordered pair and goes through point begin ordered pair 4 comma 179 end ordered pair. The equation y = 45x + 38 shows the number of cookies that Sara bakes during the same hours with y representing the number of cookies and x representing the number of hours. Which statements about the cookie baking by the two girls are true? Select each correct answer. Sara had baked more cookies at the start of the 5 hours than Liz. Liz bakes more cookies each hour than Sara. Liz bakes 19 cookies each hour. Sara bakes 45 cookies each hour.
General
2 months ago
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