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MATH SOLVE
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The number of miles driven varies directly with the number of hours in the car. Billy drives 171 miles in 3 hours, so he could drive _____ miles in 4.5 hours.
General
4 months ago
Cora sliced 18 kg of green apples for a Party. she divided the Apple slices equally bettween 5 large bowls. How many grams of Apple slices did Cora put in each bowl. kilogram = 1000 grams
General
4 months ago
Mandy used the input and output in this table to write ratios. She concluded that because they are not all equivalent, this is not a proportional relationship. Is she correct? Explain.[ x ][ 1 ][ 2 ][ 5 ][ 10 ]-------------------------------[ y ][ 5 ][ 10 ][ 25 ][ 50 ]5/1 = 10/2 = 25/5 = 10/50
General
4 months ago
If Juan drives 50 mph for 1.5 hours and then 70 mph for 0.5 hours, then how far did he drive?
General
4 months ago
Size of U.S. States The total surface area (in square miles) for each of six selected eastern states is listed here.28,995 PA37,534 FL31,361 NY27,087 VA20,966 ME37,741 GAThe total surface area for each of six selected western states is listed (in square miles).72,964 AZ70,763 NV101,510 CA62,161 OR66,625 CO54,339 UTFind the standard deviation for each data set. Which set is more variable?
General
4 months ago
A bag of fertilizer covers 2500 square feet of lawn. Find how many bags of fertilizer should be purchased to cover a rectangular lawn 410 feet by 65 feet.
General
4 months ago
Jillian’s school is selling tickets for a play. The tickets cost $10.50 for adults and $3.75 for students. The ticket sales for opening night totaled $2071.50. The equation 10.50a + 3.75b = 2071.50, where a is the number of adult tickets sold and b is the number of student tickets sold, can be used to find the number of adult and student tickets. If 82 students attended, how may adult tickets were sold?adult tickets
General
4 months ago
By what percent will a fraction change if its numerator is increased by 60% and its denominator is decreased by 20%?
General
4 months ago
A trapezoid has an area of 20 cm2 and a height z cm. The lengths of the parallel sides are (2z + 3) cm and (6z – 1) cm. Find the height, z, of the trapezoid. In your final answer, include all of the formulas and calculations necessary.
General
4 months ago
Jason's age is 1 2 of his brother's age. His brother's age can be represented by the expression 12a - 9. Write an expression that can be used to represent the sum of their ages. A) 12a - 5.5 B) 18a - 13.5 C) 18a + 21 Eliminate D) (12a-9) 2
General
4 months ago
- how do changes in dimensions affect the volume of common geometric solids?
General
4 months ago
Each day, finian takes either a bath or a shower in the morning. s represents shower, and b represents bath. what is the sample space of his morning ritual for three days in a row?
General
4 months ago
Coin A is flipped 3 times and coin B is flipped 5 times. What is the probability that the number of heads obtained from flipping the two coins is the same?
General
4 months ago
A. how many numbers must be selected from the set1, 3, 5, 7, 9, 11, 13, 15 to guarantee that at least one pair of these numbers add up to 16?
General
4 months ago
A box in the shape of a rectangular prism has a volume of 96 cubic feet. the box has a length of (x+8)(x+8) feet, a width of xx feet, and a height of (x−2)(x−2) feet. find the dimensions of the box.
General
4 months ago
Select the correct answer from each drop-down menu. A store sells T-shirts for $10 each and jeans for $20 a pair. Anna spends $150 on T-shirts and jeans. She buys x T-shirts and y pairs of jeans. The equation that represents the situation is . If Anna decides to buy only T-shirts and no jeans, she can buy T-shirts with the money she has.
General
4 months ago
A dartboard consists of a circle inscribed in a square. the area of the circle is 16π square centimeters. the area of the square is 64 square centimeters. izzy randomly throws a dart at the square, and it lands inside the square. to the nearest percent, what is the probability that the dart lands inside the square but not on the circular dartboard? use 3.14 for π. 22% 25% 75% 79%
General
4 months ago
A helicopter is flying above a town. the local high school is directly to the east of the helicopter at a 20° angle of depression. the local elementary school is directly to the west of the helicopter at a 62° angle of depression. the distance between the high school and the elementary school is 5 miles. find the distance from the helicopter to the high school. round your answer to the nearest tenth of a mile.
General
4 months ago
The work of a student trying to solve the equation 4(2x − 1) = 11 + 3x + 5 is shown below:Step 1: 4(2x − 1) = 11 + 3x + 5Step 2: 8x − 4 = 16 + 3xStep 3: 8x + 3x = 16 − 4Step 4: 11x = 24Step 5: x = 2.18In which step did the student first make an error and what is the correct step? Step 2: 8x − 1 = 16 + 3xStep 2: 8x − 8 = 6 + 3xStep 3: 8x − 3x = 16 + 4Step 3: 8x + 3x = 16 − 8
General
4 months ago
Chocolate chip cookies have a distribution that is approximately normal with a mean of 24.1 chocolate chips per cookie and a standard deviation of 2.1 chocolate chips per cookie. find upper p 5 and upper p 95. how might those values be helpful to the producer of the chocolate chip cookies?
General
4 months ago
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