2,690 Answered Questions for the topic SAT math

07/22/19

If 5r = 20, what does 15r + 8 equal?
The question is asking if the test-taker realizes multiples of a variable are related to the answer.
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Sat Math

07/21/19

can someone help me solve this problem

Ahmed needs to produce 5000 milliliters of 50% alcohol solution. At his disposal he has 80% alcohol solution and 40% alcohol solution. How much of each does he need in order to produce his desired... more
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Sat Math Math Maths Sat

07/21/19

Applied math- Scale
A pet store designs fish tanks that are in the shape of a rectangular prism. The small tank has a capacity of 1920 cu in. The scale factor that relates the dimensions of the small tank to the... more
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Sat Math Math Act Math Maths

07/20/19

Applied math- scale

A pet store designs fish tanks that are in the shape of a rectangular prism. The small tank has a capacity of 1920 cu in. The scale factor that relates the dimensions of the small tank to the... more
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Sat Math Math Maths Sat

07/20/19

Applied math- Scale

Here is a scale diagram of a living room. Each grid square is 0.5 cm. The scale of the diagram is 1 cm : 5 ft.1. Determine the actual size of the living room?2. You need to put the following items... more
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Sat Math Math Act Math Maths

07/20/19

Applied Math- Scale

Problem to solve:Saara is hosting a BBQ. She requires the following.20 hamburgers with buns24 hot dogs with buns6 lbs potato salad60 bottles of water6 watermelons8 L ice creamShe only has time to... more
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Sat Math

07/19/19

In a school, 56% of the students play a sport and 41% of the students play a sport and are part of a club. What is the probability that a student is in a club given that he/she plays a sport?
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Sat Math

07/19/19

If tan a = -1 and |cos a| = cos a, how do you find the value of a?
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Sat Math

07/19/19

A painter finishes painting a house in 6 hours. Her assistant takes 8 hours to do the same job. How long will it take if they both work together

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07/19/19

I need your HELP!!!!- Applied math

Applied math- Inequality A street vendor sells hot dogs and buffalo burgers. A hot dog costs the vendor $0.80 and the buffalo burger costs the vendor $1.25. The hot dog occupies 240 cm3 in space... more
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Sat Math Math Act Math Maths

07/18/19

Applied Math- Cosine law
Applied math- Cosine law Alex, Curtis and Michael go boating together on a calm day. They leave the marina dock and travel at a speed of 40 km/h due east for 3 hours. Then, they travel 22° west of... more
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Sat Math Math Act Math Maths

07/18/19

Applied math- Sin Law
Find the length of the chord BC to the nearest tenth of a centimetre.
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Sat Math

07/17/19

The height of the mural is 4 meters shorter than the width. Find the height in meters of the mural if the are is 96 square meters.
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Sat Math

07/17/19

how do you find the value of xy if y<0?
these system of equations are given:x=y^26x+9=-3(2y-3)
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Sat Math Math Act Math Sat

07/16/19

Applied Math- Inequality

For a fruit salad, Damien will buy at least 20 pieces of fruit. He wants to spend no more than $12. Apples cost $0.30 each and oranges cost $0.70 each.Graph the system of inequalities and give an... more
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07/16/19

Applied Math- Inequalities

A fundraiser for a school sells hoodies and track pants. Hoodies sell for $60 and track pants sell for $40. The school wants to raise at least $2000. a) Write an inequality that models the... more
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07/14/19

Help! Word problems.

A number, one-fifth of that number, and one-third of that number are added. The result is 69. What is the original number?
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07/12/19

Applied Math- functions
A parabola has a vertex of (4, 8) and points down.Write two possible equations of quadratic functions in vertex form such that the parabola has exactly two zeroes.Find the zeroes for both... more
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Sat Math

07/12/19

Applied Mathematics

Build a quadratic function that points down and has roots 2 and -4. 1 mark for setting up the quadratic equation properly 1 mark for showing appropriate work to find the equation 1 mark for a... more
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07/08/19

Help with this question

An exercise yard is enclosed with 476 1/24 feet of security fencing. Three sides are 102 2/3 feet, 125 3/4 feet, and 120 5/8 feet. What’s the length of the fourth side?
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Sat Math

07/02/19

need help with my math assignment
the line ax+by=c, where a>0,c>0, and b<0, is shifted three units down and two units right. What must be true about the slope of the translated function?
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Sat Math

07/01/19

System of equations
Sam has only $10 bills and $20 bills in his wallet. He has 5 more twenties than tens if he has a total of $400 in his wallet, how many $10 bills does he have
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Sat Math

06/27/19

Need help on this question for math stat.
Listed below are the amounts of mercury ( in parts per million, or ppm) found in tuna sushi sampled at different stores. The sample mean is 1.099 ppm and the sample standard deviation is 0.323 ppm.... more
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Sat Math Algebra 2

06/23/19

If 3x-12=y, what is the value of 8 to the x power over 2 to the y power?
If 3x-12=y, what is the value of 8x÷2y?A) 212B) 44C) 82D) The value cannot be determined from the information given.
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Sat Math Probability

06/23/19

A bag contains seven red balls numbered 2, 4, 5, 6, 7, 8, 10 and three white balls numbered 1, 3, and 9. If a ball is drawn, what is the probability the ball is red or even?
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