02/19/19

If cos(x)=3/5 and x is in quadrant 1, then find exact values for (without solving for x):
A. Sin(2x)B. Cos(2x)C. Tan(2x)
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02/19/19

When playing a card game and seven cards are drawn, what is the probability of getting a 10, a Jack, a Queen and a King in the same suit?
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02/19/19

F(x)=(ix+i2) then f(-2)=
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02/19/19

Given the area of a triangle is 6x2 + 17x + 5 and the base is 2x + 5, write the algebraic expression for the height.
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02/19/19

ax + bx / (x + a)(x − b) =a + b/( x + c ) the 1st fraction has ax+bx as the numerator and a+b as the numerator for 2nd fraction.how did the a and b numerator vanish into =x/ (x + a)(x − b) = 1/ x + c
How did this sudden shift happen, from ax+bx to x and a+b to 1?
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02/18/19

A rectangular garden has a width of 90 feet. The perimeter is 500 feet. What is the length of the garden?
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02/18/19

A test had 30 questions worth 100 points. The test consist of true/false questions worth 2 points and some multiple choice worth 12. How many t/f questions r there
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02/18/19

does x-(5a-9b)(4x-2y) equal x-5a(4x-2y)+9b(4x-2y)?
I need to be sure about the sign change of the 9b
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02/18/19

A straight angle is made up of two angles with measures that are in a ratio of 5:1. What is the measure of the bigger AND smaller angles?
I need help w/ this. Can someone help plz?
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02/18/19

If 75 grams is 75%, what formula do you use to get 100%?
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02/18/19

From the Pythagorean Theorem, the length of the adjacent side to θ is ....
From the Pythagorean Theorem, the length of the adjacent side to θ is adj = square root(7^2-5^2) = square root(24) = 2 square root(6). My question is how did they get the last part of the... more
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02/18/19

Modeling with Mathematics

The inequality 3x+2y≥93 represents the numbers x of multiple-choice questions and the numbers y of matching questions you can answer correctly to receive an A on test. You answer 20 multiple-choice... more
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02/18/19

To the nearest​ millimeter, a cell phone is 74 mm long and 30 mm wide. What is the ratio of the width to the​ length?
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02/18/19

joe has a 16 foot long board. He needs to cut it into 18 equal length parts. How many feet long should each section of the board be?
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02/18/19

Express improper fraction
One morning the T-shirt shop sold 15 T-shirts. Of the T-shirts sold a fifth were gray. The rest were white. How many white T-shirts were sold
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02/18/19

How do you calculate midpoint formula ( -5 , 3 ) and ( -1,-3)

Calculate. Using midpoint formula for(-5,3) (-1,-3)
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02/18/19

The smallest measure of a triangle is one fifths the measure of the largest angle. The measure of the second angle is 95 degrees less than the largest angle. Find the measure of the angles.
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02/18/19

Why are radicals simplified before adding and subtracting? Explain your reasoning by adding sqrt8 and sqrt32. Compare the process to multiplying and dividing.
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02/18/19

Write an equation
Write and equation that passes through (-3,-4) and has a center of (5,1)
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02/18/19

find the coefficient of x in expansion of (1+x)/(1-x) for |x|<1
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02/18/19

Trip to Grandma's
The family trip to Grandma's consisted of both a train ride and a car ride. The average speed of the train ride was 66 miles per hour, and the average speed of the car ride was 61 miles per... more
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02/18/19

A circle has a circumference of \blue{10}10. It has an arc of length \dfrac{9}{2} 2 9 ​ . What is the central angle of the arc, in degrees?
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02/18/19

Is how much an adding question or a division question

The question is mr and mrs.g borrow 9720 to buy a new car. The loan is to be paid off in 36 equal monthly payments. How much is each pay6
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02/18/19

How do you solve this (x+5)² + 4=40 ?!?! I’m confused plz help
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02/18/19

Math homework help
Find all values of  such that . Give your answer as an interval.
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