A man has had 6 brain scans done, but we only have 5 of his scores: The first five scores we have are 27.2,41.6,31.9,0.0, and 13.2. We do know his average for the 6 scores was 21.4, What was the total...

A man has had 6 brain scans done, but we only have 5 of his scores: The first five scores we have are 27.2,41.6,31.9,0.0, and 13.2. We do know his average for the 6 scores was 21.4, What was the total...

If the graph of the equation y = ax2+bx+c passes through the points (0,2), (-6,-70, AND (8,-14), what is the value of a+b+c?

You need 10 quarts of a solution that contains 20% salt. However, you only have 5% and 25% salt solutions. How many quarts of each of the 5% and 25%solutions will you need to mix together to get 10...

A rectangle is 6 inches longer than it is wide. The total perimeter length of the rectangle is 48 inches. How long and how wide is the rectangle? The surface area of a rectangle is the length times...

Full story problem.. Bob's 11-quart radiator is currently full of 30% anti-freeze. It is supposed to be 50%. How much should he drain out and replace with 100% anti-freeze to have a full radiator...

I am struggling with these mixture problems any help getting the correct formula and answer? Getting desperate

Full question: full strength anti freeze is 12.99 a gallon. they also sell a 50/50 pre-mix which is diluted 50% with water for 10.99 a gallon. how much are you paying per gallon for water if...

A slope intercepts at (-4, 3), provide this a Slope/Intercept form equation as well as Standard form equation and a Tables of Values chart like this (i.e x y -4 4 -3 3½ -2...

I can't seem to get this answer, please help !

x2=2x

How could I find out the missing term in these examples 1) __x2-9x-9 = (__x+3)(x-3) 2) __x2-19x-20 = (__x+5)(x-4) 3) __x2-17x-5 = (3x-5)(__x+1) Please...

You(an adult) want to go to a local movie and pay for yourself, your mother, your father and three children. An adult friend of yours recently went to that movie and paid $26 when he took his two...

You and a friend both live the same distance from a coffee shop. You walk at a rate that is one Mike an hour faster than your friend. If your friend leaves his house at 6:30 am and you leave your...

Which of the following lines contains all points equidistant from the points (0,4) and (8,0) in the xy-plane? A. 2y = -x + 8 B. 2y = x C. y = 2x -6 D. y = -2x I...

If n is a positive integer and m = 2n+2 + 2n , what is 2n+3 in terms of m?

If 0 < x < 2π and 5 cos[x] = sqrt[5], what is the value of (sin[x]/3)3?

Three consecutive integers are selected. The square of the middle one is subtracted from the sum of the squares of the other two, to give a result of 38. Find the smallest number.

If the polynomial P(x) has factors of 12, (x-5), and (x+4), which of the following must also be afactor of P(x)? Edit: I'm so sorry that...

The function f is a quadratic function with zeros at x = 1 and x = 5. The graph of y=f(x) in the xy-plane is a parabola with a vertex at (3,-2). What is the y-intercept of...

Annalisa has 10 beanbags to throw in the game. She gets 7 points if a beanbag lands in the smaller basket and 3 points if it lands in the larger basket. If she gets b beanbags into the larger...

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