12/20/20

Help we are stumped

The vertices of triangle DEF are D(6,-2), E(8,-4), and F(2,-7). Reflect triangle DEF over x=2. Find the coordinates of triangle D’E’F’.
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12/20/20

help! math solution I am confused on
You need 160 mL of a 25% alcohol solution. On hand, you have 10% alcohol mixture. You also have 50% alcohol mixture. How much of each mixture will you need to add to obtain the desired solution?You... more
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12/20/20

math question I cant get the same answer
A candy distributor needs to mix a 10% fat-content chocolate with a 30% fat-content chocolate to create 150 kilograms of a 16.7% fat-content chocolate. How many kilograms of each kind of chocolate... more
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12/19/20

if cos A= 3/7, then what is the positive value of cos 1/2 A, in simplest radical form with a rational denominator?
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12/19/20

Tape is 10 feet 2.25 is purchased how much left

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12/19/20

Conversation of units of length
Sapna jogs around a square park of side 70m. One day she jogged around the park 5 times.how much did she jog in all?
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12/19/20

Water is pumped into a tank at a rate of 10 gallons per minute. Which type of function describes the volume of water in the tank: linear or exponential?
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12/19/20

find cos(a+b) if sina=1 and cosb=1
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12/19/20

A rectangle is 30 cm long and 20 cm wide. A rectangular strip added to one side and another of the same widthto the other results in the doubling of the area. Find the area of the strip.
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12/19/20

A larger integer is 3 more than twice a smaller integer. If their sum is 39, then find the integers.
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12/19/20

Translate this sentence into an equation Seven times the sum of a number 4 equals 3 use the variable W for the unknown number

Translate this sentence into an equation Seven times the sum of a number 4 equals 3 use the variable W for
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12/19/20

systems of equations
Martha saw parrots and deer in a park. she counted 45 heads and 140 legs. how many parrots were there?
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12/19/20

systems of equations
Michelle bought 2 teddy bears and 3 flower vases for $27 in a shopping mall. Shannon bought 3 teddy bears and 2 flower vases for $30.5 from the same mall. what is the cost of a flower vase?
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12/19/20

Please help i’m in 8th grade!!

A group of friends went out for they bought 4 hamburgers and 3 chili dogs and spent 36 dollars in total.-H represents the cost of a hamburger-C represents the cost of a chili dog A. 4h+3c=-36B. ... more
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12/19/20

The sum of a number and its reciprocal is 5/2 represent this situation in the form of quadratic equation

Please answer this question I'm very confused
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12/19/20

Solve the following exponential equation. Express irrational solutions in exact form.
Solve the following exponential equation. Express irrational solutions in exact form.5^2x + 5^x - 12
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12/18/20

Seven more than three times a number is 16.
Seven more than three times a number is 16.
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12/18/20

how to change this: 3x-2y=12 into standard form?
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12/18/20

suppose a 5-minute overseas call costs $5.91 and a 10-minute call costs $10.86 what is the slope
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12/18/20

Find a 3-degree polynomial function with real coefficients with 2 and 2 – 3i as zeroes, and f(1) = – 10
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12/18/20

If f(x) is an exponential function where f(−3)=3 and f(3.5)=54, then find the value of f(6), to the nearest hundredth.
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12/18/20

Parallel and Perpendicular lines

Write an equation of the line that passes through the given point and is (a) parallel and (b) perpendicular to the given line. The given point - (1,-2)The line - Intersects (0,4) and (-2,0)Please... more
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12/18/20

Assume that (theta) is a positive acute angle.
Given: cos (theta) = 35/37Find: sin 2 (theta)
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12/18/20

For positive acute angles A and B, it is known that cos A = 9/41 and tan B = 21/20 Find the value of sin(A+B) in simplest form.
Help me, please! It's due at 1:30!!!
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12/18/20

For positive acute angles A and B, it is known that sin A = 35/37 and cos B = 24/25 Find the value of cos(A+B) in simplest form.
Help me, please! It's due at 1:30!!!
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