Mathematics

PLEASE HELP QUICK!! algebra here is screenshot
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find the length of the segment and round to the nearest tenth if necessary
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A spring gun at ground level fires a golf ball at an angle of 45 degrees. The ball lands 10 m away.a) What was the ball's initial speed?b) For the same initial speed, find the two firing angles that make the range 6 m.Recall that the Ideal Projectile Motion Equation isr=(vo*cos(theta))ti+((vo*sin(theta)t-1/2*g*t^2)j.Answer: a) vo=sqrt(10g)b) theta=1/2*arcsin(3/5),theta=pi-1/2*arcsin(3/5).And is arcsin the same thing as sin^-1?
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Between 7 am and 11 am the temperature in Antartica increased by 8.4 C. If the temperature at 11 am was -28.3 degrees, what was the temperature at 7 am?
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An exclusive Yoghurt manufacturer sells 4,000 gallons per month at a price of GHS 40 each. When the price is reduced to GHS 30 sales increase to 6,000 gallons per month. a. Calculate the price elasticity of demand for the Yoghurts over this price range. b. Is demand elastic, unit elastic or inelastic?c. Calculate the change in revenue due to the change in price
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Out of 600 people sampled, 42 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.Use GeoGebra to calculate! Give your answers as decimals, to three places
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"Reduce the quadratic form 2yz^2+2xz+2xy to canonical form by anorthogonal transformation and also find rank, index andsignature."
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helpppp me please.
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Need help on question b- the question is attached in the photo.
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1. write the equation for each line that passes through (1, 2) and has a) slope 2/3 b) undefined slope c) m = 0 d) point (2, 3) also on the line
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What is the area of the shaded part of the figure if =14 ft?Use 3.14 to approximate
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A gardening club records the number of new plants each member planted in amonth. Create a histogram to show the data distribution for the number of newplants. Show your work. 26810New Plants This Month. 12. 1416
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A group of workers takes 4 1/2 days to plant 5 1/4 acres. What is the unit rate in acres per day?Write your answer as a fraction or a mixed number in simplest form. Answer would be: 1 1/6
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David is setting up camp with his friend Xavier. David and Xavier want to place their tents equal distance to the ranch where the mess hall is. A model is shown, where points D and X represent the locationtents and point R represents the ranch. DR = (12.3z + 12.4) meters (m) and XR= (10.5z+34) m.DXRWhat is the distance Xavier and David are from the ranch?
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An aquarium at a zoo is shaped like a cylinder. it has a height of 5 ft and a base radius of 3.5 ft. its being filled with water at a rate of 12 gallons per min. if one cubic foot is about 7.5 gallons, how long will it take to fill
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The height of a right rectangular pyramid is equal to x units. The length and width of the base are units and units. What is an algebraic expression for the volume of the pyramid?
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A team of scientists surveyed the trews in a national forest. the scientists counted 3,160 evergreen trees and 840 deciduous trees. what percentage of the trees were evergreen?
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Jackie planted 4 carrot plants per 5 tomatoplants. Match the coordinate pairs from thetable with the points on the graph.
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In the figure 11 || 12 and 13 is a transversal. What is the value of |5p - 3q|?
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The life of Sunshine CD players is normally distributed with a mean of 4. 1 years and a standard deviation of 1. 3 years. A CD player is guaranteed for 3 years. We are interested in the length of time a CD player lasts. Find the probability that a CD player will break down during the guarantee period. Sketch the situation. Label and scale the axes. Shade the region corresponding to the probability
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Lindsey wears a different outfit every day. Her outfit consists of one top, one bottom, and one scarf.How many different outfits can Lindsey put together if she has 3 tops, 3 bottoms, and 3 scarves from which to choose? (hint: thecounting principle)3 outfitsB9 outfits24 outfitsD) 27 outfits
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Aria drank 500 milliliters of water after her run. her best friend, andrea, drank 0.75 liter of water. who drank more?group of answer choices
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To determine what students want served in the cafeteria, the cook asks students in Ms. Andrews first period class. Describe the sample used by the cook.
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Josie is trying to justify the area formula for a circle with circumference C and radius r. To start, she cut a circle into 8 congruent sectors. Then, she put the sectors together to make this figure. She noticed that the figure is approximately the shape of a parallelogram. Select all of the statements that could help Josie to justify the area formula for a circle.
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