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A= sin2x + cos4x

# Tax on a \$25 item is \$2.06. What should be the tax on a \$45 item?

ratios and proportions

# 7+7/7+7*7-7

i tried all different ways to fiqure out this answer and i don't know what the real answer is.

# Together kevin and ken weigh 97kg. Kevin and kirk weigh a total of 89kg. Kirk and ken weigh a total of 102kg. How much does each person weigh?

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# The measures of the angles of a triangle are in the ratio of 1 : 2 : 3. Find the measure of each angle.

ratios and proportions

# if 1 meter is R5,95 than how much is 12,50 meter

I am stuck with a math problem and I need the answer immediately.

# 5 pounds of apples and 2 cups of sugar. You only have 1 1/3 cups of sugar. How many pounds of apples should you use to maintain the ratio?

The recipe calls for 5 pounds of apples and 2 cups of sugar.  You only have 1 1/3 cups of sugar.  How many pounds of apples should you use to maintain the ratio?

# If 18 meters of high-resistance wire with a diameter of 1.2 mm has a resistance of 10 ohms, what is the resistance of 27 m of the same type of wire with a diame

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y=-2x2+8x-11

y = 4x - 5

# algebra 2 math question

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -5x2 + 9x + 7. {–0.71, 1.29} {-5, 9} {–1.80, –1.40} {–0.59, 2.39}

# a gourmet shop puts 3.5 ounces of oregano in a jar and sells it for \$8.75. At that rate how much would a 2 ounce jar sell for?

a gourmet shop puts 3.5 ounces of oregano in a jar and sells it for \$8.75. At that rate how much would a 2 ounce jar sell for?

# You have a 26cm chain and decide to design a bracelet. Find the radius of the bracelet that can be made from this length of chain. (Use Pi = 22/7)

Please help I'm confused!   I feel the question is saying: C = 26cm D = ? Circumference equals 2xPi (2 x 22/7) So Diameter equals C÷Pi which in this case is 26÷22÷7 26÷22/7=...

# 4834 5647 what is the pattern between these numbers

I would like to know the pattern between 4834 and 5647

(23x -  152a)

# Indicate in standard form the equation of the line passing through the given points.

Indicate in standard form the equation of the line passing through the given points. A(4, 1), B(5, 2)

# May I have help solving this problem?

Suppose that an object is projected in such a way that its height above the ground in feet after t seconds i s given s(t)= 16t^2 +48t + 40. Find the maxium height of the object.

# Ela has \$6.40 in nickels and quarters. If she has 26 more nickels than quarters, how many of each coin does she have?

if 0.05 x 26 equals to \$1.30, how do i determine how many of each coin she has