A nurse mixes 40cc of a 70% saline solution with a 10% saline solution to produce a 42% saline solution. How much of the 10% solution should be used?

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A: We have to use formula for simple interest to solve the problem

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A: SEE EXPLANATION

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A: The function f is one-to-one and f(-12)=11

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A: A system has infinitely many solution if number of unknown is greater than  number of equation

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Q: The area of a rectangular wall of a barn is 77 square feet. Its length is 4 feet longer than the…

A: Area of rectangle =77let width be wlength l=w+4A=l×bA=(w+4)×w77=w2+4w

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Q: Find an explicit form of the general solution of the following ODE: (x – 1) y" + 2y' = 0.

A: Given

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A: Calculation of above requirement are as follows.

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A: Given: Stuart's first 6 grades in his biology class this semester are 0,70,85,95,100,100. To find:…

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A: Given query is to find the equation of the line in slope intercept form.

Q: Factor the following trinomial, or state that the trinomial is prime. y+1ly-36 Select the correct…

A: Consider the trinomial  y2+11y-36

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A: Topic:- algebra

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A: We have to find the time taken by two pumps.

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Q: 15. Rewrite the series using summation notation. 6(1) – 11 6(2) – 11 + 6(3) – 11 + бп — 11 + + ...…

A: We have to write the series using summation.

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Q: 7. Describe the vertical asymptote(s) and hole(s) for the graph of y = X- 5 %3D *+ 4x + 3 O…

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Q: Use the Binomial Theorem to expand and simplify (7x + 4)4 4 6 4 1 coefficients:

A:

Q: Expand In (rs" Vr*s into a sum or difference of logarithms containing no exponents. > Next Question

A: Consider lnr8s7 r4s36

Q: Determine whether the given points are on the graph of the equation y=2+3x-1 (4)(2.13) (b) (0. – 1)…

A: y=f(x)=2x2+3x-1a)(2, 13)f(2)=2(2)2+3(2)-1f(2)=13YES.(2, 13) lies on the graph of the equation. B)(0,…

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Q: Tests A skull cleaning factory cleans animal skulls of deer, buffalo and other types of animals…

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A: We can solve as follows

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A: Given :

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A: Given query is to find value of W.

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Q: Find two numbers whose difference is 46 and whose product is as small as possible. [Hint: Let x and…

A: Given query is to find find two unknown number .

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Q: 6. DETAILS SPRECALC7 2.7.001.ALT. From the graphs of f and g in the figure, we find the following.…

A: From the graph: f(6)=-3, g(6)=3

Q: 1 0 6. Given that A' = and B Which of these matrices equal (AB)? 1 2 2 2 (a) 0. (b) (c) -2 -2 (P).

A:

Q: W 5. Which conic section is represented by the equation x- 8y+ y + 11 = 0? O Parabola O Circle…

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A: Given, 2,10,50,250,1250,... Simplifying the given sequence.  2,2*5,2*5²,2*5³,2*5⁴,...

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Q: Find the characteristic polynomial of the matrix 2-글 2 3 in terms of the variable t. 1 p(t) = Given…

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Q: For the matrix A, find (if possible) a nonsingular matrix P such that P-AP is diagonal. (If not…

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