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△ABC∼△DEF , △ABC has a height of 20 inches, and △DEF has a height of 24 inches. What is the ratio of the area of △ABC to the area of △DEF ? Enter your answer, in simplest form, in the boxes. :
General
2 months ago
The vertex of this parabola is at (3, -2). When the x-value is 4, the y-value is 3. What is the coefficient of the squared expression in the parabola's equation?
General
2 months ago
An artist wants to reduce the size of a drawing using a scale factor of 3:1 . The original drawing has an area of 720 square inches. What is area of the new drawing? Enter your answer in the box. in²
General
2 months ago
If the sin 60° = square root of three over two, then which statement is true? (6 points) cos 30° = square root of three over two, because the cosine and sine are complements cos 30° = 0, because the cosine and sine are complements cos 120° = square root of three over two, because the cosine and sine are supplements cos 120° = 0, because the cosine and sine are supplements
General
2 months ago
A rectangular field has a diagonal of 360 feet. One of the side of the field is 160 feet long. What is the perimeter of the field? Enter your answer, rounded to the nearest hundredth, in the box.
General
2 months ago
△PQR is similar to △STU . In addition, m∠U=96° and m∠T=6(m∠P) . What is m∠P ? Enter your answer in the box. °
General
2 months ago
What is the measure of AU
General
2 months ago
Help please asap1. The area of a rectangular carpet is given by the trinomial 5x^2 - 3x - 14. What are the possible dimensions of the carpet? Use factoring. A. (5x + 7) and (-x - 2)B. (5x + 7) and (x - 2)C. (5x - 7) and (x - 2)D. (5x - 7) and (x + 2)2. The area of a rectangular barnyard is given by the trinomial 6x^2 + 7x – 20. What are the possible dimensions of the barnyard? Use factoringA. 2x - 5 and 3x + 4B. -2x - 5 and -3x + 4C. 2x + 5 and 3x - 4D. 2x - 5 and 3x - 4
General
2 months ago
A blueprint for a picnic table has a scale of 1:20. The table in the blueprint is 3 in. long. What is the length of the actual picnic table? A.) 5 feetB.) 720 feetC.) 5 inchesD.) 60 feet
General
2 months ago
This figure is made up of a triangle and a semicircle. What is the area of this figure? Use 3.14 for pi. Round only your final answer to the nearest tenth. Enter your answer, as a decimal, in the box. units²https://static.k12.com/nextgen_media/assets/8124428-GA_GMT_IT_03_DP100_885_008.png
General
2 months ago
Eighty percent of the dogs have completed obedience classes. How many of the dogs have completed obedience classes? Five dogs of different breeds 4 dogs 3 dogs 2 dogs 1 dog
General
2 months ago
A hair company makes three batches of scented shampoo using the recipe shown. Each batch contains a different total amount of shampoo. 1/2 is pineapple, 1/5 is banana, 3/10 is coconut. Batch 1:PineappleBananaCoconut is 2 1/10Batch 2:PineappleBanana is 3 1/5Coconut Batch 3:Pineapple is 2 1/2BananaCoconut
General
2 months ago
Suppose that 2% of the students in a school have head lice and the test for head lice is accurate 75% of the time. What is the probability that a student in the school has head lice, given that the test came back positive? Round your answer to the nearest tenth of a percent.
General
2 months ago
Mrs. McDonnell is making 25 paper cones to fill with popcorn for her daughter's birthday party. 4 inches 7 inches Find the volume of one paper cone if the diameter is 4 inches and the height is 7 inches. Round your answer to the nearest cubic inch.
General
2 months ago
1. picture2.picture3.which graph represents f(x)=4sin(2πx)?4. A cosine function has a period of 3, a maximum value of 20, and a minimum value of 0. The function is a reflection of its parent function over the x-axis.Which function could be the function described?5. A sinusoidal function whose frequency is 3, maximum value is 15, minimum value is −3 has a y-intercept of 6.Which function could be the function described?f(x)=9sin(6πx)+3f(x)=9sin(3x)+3f(x)=9sin(x3)+6f(x)=9sin(6πx)+6
General
2 months ago
Using synthetic division, find (x4 − 2) ÷ (x + 1).
General
2 months ago
The table below shows the total cost for purchasing a certain number of equally-priced concert tickets. Total cost (in dollars) Number of concert tickets. the total costs in dollars are 110 275 440. the number in concert tickets are 2, 5, 8 Write an equation to describe the relationship between the total cost in dollars (c), and the number of tickets purchased (t),
General
2 months ago
. A toy company is selling novelty soccer balls of all sizes. If one soccer ball, with a radius of 5 cm, is placed in a box with all equal dimensions, as shown below, and the ball is touching the sides of the box, approximately how much empty space is inside the box?
General
2 months ago
the width of a large, rectangular-shaped tree farm is 1.9 kilometers. The length of the farm is 4.4 kilometers. What is the best estimate of the area of the farm ?
General
2 months ago
1. which function is shown on the graph?f(x)=1/2cosxf(x)=−1/2sinxf(x)=−1/2cosxf(x)=1/2sinx2. (picture)3.(picture)4.(which equation represents the function on the graph?5. what is the period of the funtion f(x)=cos2x?
General
2 months ago
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