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Thanks!

Write as an equation: A triangle has two equal sides and a third side that is 15cm long. How long is each of the equal sides if the perimeter is 50?

Write as an equation: The sides of a rectangle are x and (x−4). The perimeter is 87.

The total cost of gasoline varies directly with the number of gallons purchased. Kathy pays $17.93 for 11 gallons of gasoline. Which equation shows the relationship between the total cost of gasoline,...

im not exactly sure how to set up an equation for this. i'm not sure where to put x and how to write the equation.

Factor the polynomial completely 9n^2+4

the particle is moving along the curve y=sqrtx. As the particle passes through the point(4,2) its x-coordinate increases at a rate of 3cm/s. How fast is the distance from the particle to the...

The Centers for Disease Control (CDC) estimates that 0.6% of Americans have AIDS. The HIV-1 tests correctly diagnose the presence of HIV in 95% of the persons who have it and correctly diagnose its...

When the polynomial P(x) is divided by (x−2)^2, the remainder is 3x - 3. What is the remainder when (x-1)P(x) is divided by (x−1)(x−2)^2? a. 3x-3 b.3x^2−6x+3 c....

In order to convert temperature in Fahrenheit to Celsius, the following the formula can be used :C=5/9 (F-32) If the tempaertaure on October 25th, 2011 was 59 degree Fahrenheit, what...

a car travels 720 miles in 12 hours. Express this as a unit rate how you solve this?

You can't distribute the natural log? I don't understand.

The function in the figure below has f(2) = 22 and f '(2) = 1.5. Find the coordinates of the points A, B, C. The picture shows a concave down graph with c, A, and B on the tangent line...

Determine the age of a rock containing .065g of 238uranium(Half-life: 4.5x10^9) and .042 of 206Carbon. (Assume all lead came from U). Enter answer in scientific notation and with correct...

A radioactive isotope at time t is 1/2 ^ t/t(half-life). The halflife of carbon 14 is 5730 yrs. What fraction of carbon 14 in a piece of charcoal remains after 19.0 yrs 1.600 x 10^4 yrs and 1.8000...

If A is directly proportional to C and B is directly proportional to C, prove that each of the following is directly proportional to C. a) A+B b) A–B c)√AB

David wishes to deposit $2000 in a bank for 5 years. Two banks caught his interests. SBD BANK -8% simple interest for 1st year -4% simple interest for subsequent years CBCO...

Find k so that the following function is continuous on any interval j(x) = kcos(x), x ≤ 0 and 7e^x − k, 0 < x First off what does it mean by "so...

A fabric remant from a burial site has a Carbon-14 / Carbon 12 ratio of .721 of the original value. How old is the fabric in years?

a) Solve 3x2 + 7x – 6= 0 (I can do this) b) Hence state the positive value of y for which 3/y2 + 7/y – 6= 0. (I can't understand this...