2,685 Answered Questions for the topic SAT math

Sat Math

10/05/21

Probability PLZ HELP ME

A package of 30 wildflower seeds contains 15 black-eyed Susan seeds.What is the probability that a randomly selected seed will be a black-eyed Susan seed?Write your answer as a fraction or whole... more
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10/04/21

Please help me answer these questions!
1: When a number is decreased by 30% of​ itself, the result is 14. What is the​ number?2: One number exceeds another by 9. The sum of the numbers is 63. What are the​ numbers?3:A new car worth... more
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10/04/21

Explain the Pythagorean Theorem, its proofs, and applications.
Explain the Pythagorean Theorem, its proofs, and applications.At least one example of correct use of all of the following: Commas Colons Semicolons Exclamations Quote... more
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Sat Math

10/04/21

m=3/4, y-intercept (0,4)
what is the equation of the line in slope-intercept form
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09/29/21

What was this annual percentage increase?
From 1960 to 2000, the world's population doubled. The percentage increase per year is assumed to be the same. What was this annual percentage increase?
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09/29/21

A car dealer sold cars

A car dealer sold cars for SEK 12 565 000 in 2010. This was an increase of 250% compared to 2009. How much did car sales make in 2009?
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09/29/21

What percentage discount did the store offer?
One deal attracted the following offer:Take three chocolate bars, pay for twoWhat percentage discount did the store offer?
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09/29/21

The value of electronics is falling
The value of electronics is falling quite rapidly. A reasonable assumption is that the value halves every year. In this case, what is the percentage decrease in the value of an electronic good over... more
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09/29/21

If the true level is 4.1, would it be unusual for a 24-hour measurement to indicate that the level is safe?
Radon is a naturally occurring radioactive substance that is found in the ground underneath many homes. Radon detectors are often placed in homes to determine whether radon levels are high enough... more
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09/28/21

Which number is X?
Which number is X?A+(20% of A) = BB+(20% of B) = CA+(X% of A)=C
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09/28/21

The proportion of people with a mobile phone
In one country, the proportion of people with a mobile phone increased from 1.5 per 10 inhabitants to 8.5 per 10 inhabitants in 15 years.a) What is the percentage increase?b) What further... more
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09/26/21

How many employees does Mr. Salt have working each day, how many hours/shifts do they work, how many trucks are delivering & unloading Wonka Bars each day?
Salt's Peanuts normally has most of their workers shell peanuts. However, for 5 straight days Mr. Salt has had his employees opening Wonka Bars looking for the golden ticket. He claims they've been... more
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09/26/21

Convert 19,000 Wonka Bars per hour into various other rates (per minute, per second, per ??
Salt's Peanuts normally has most of their workers shell peanuts. However, for 5 straight days Mr. Salt has had his employees opening Wonka Bars looking for the golden ticket. He claims they've been... more
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09/24/21

Need helping with correlation coefficents
Just need an explanation and work shown so I can understand how you worked through it so I can finish the rest of the assignment. I know this can also be done in excel but I was not exactly sure... more
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09/23/21

Algebra Chemistry Problem
A gold bar has a mass of 530,000 mg. The bar has a length of 5.2 cm a width of 2.1 cm and a density of 19.3 g/cm^3 Determine the height of the bar in millimeters. Show all work.
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Sat Math Math

09/19/21

How would I solve this?
A pet store owner changes the water in a fish tank every 45 days and changes the pump filter every 20 days. If the water and filter are changed on the same day, in how many days will they be... more
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Sat Math Math Act Math Maths

09/16/21

AMDM Question (Mathematics)
A vector starts at point (5, -4) and ends at point (0, -8). What is the vertical component of the vector?
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Sat Math Math Act Math Maths

09/16/21

AMDM Question (Mathematics)

A vector starts at point (-5, 6) and ends at point (8, -5). What is the magnitude of the vector? Answer to two decimal places.
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Sat Math

09/15/21

Mary made a shirt using 1/5 meters of blue fabric and 1/4 meters of green fabric. How many meters of fabric did she use in all?
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Sat Math Math Act Math Maths

09/13/21

AMDM Response Question (Mathematics)
Find the resulting vector when the vector <4, 1, 2> is multiplied by the matrix.(The matrix is down below)[ 4 3 2 ] 1 5 3 1 3 6
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Sat Math Math Act Math Maths

09/13/21

AMDM Constructed Response Question (Mathematics)
A plane traveling at 300 mph is flying with a bearing of 30°. There is a wind of 50 mph from the south. If no correction is made for the wind, what are the final bearing and ground speed of the plane? more
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Sat Math Math Act Math Maths

09/13/21

AMDM Question (Mathematics)

Final grades are often computed using weighted averages. Some college professors use complicated weighted averages. Your college professor tells you he will give a 33%-67% split on grades between... more
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Sat Math Math Act Math Maths

09/13/21

AMDM Question (Mathematics)

One force of magnitude 50 acts on an object. Another force of magnitude 66 acts on the object at a right angle, what is the magnitude of the resultant force on the object?
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Sat Math Math Act Math Maths

09/13/21

AMDM Question (Mathematics)
Your college professor tells you he will give a 30%-30%-40% split on grades between homework, quizzes, and test. However whichever category you have the highest average in will be the 40%... more
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09/12/21

I need help with this statistics question
m f 81 36 60 52 35 4 13 92 57 90 Use the data above to complete the following calculations.∑mf=∑m2f=  (∑mf)2=
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