1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
alexira [117]
3 years ago
9

A chemical reaction converts a substance Ato a substance Y. At the start of the reaction, the quantity of A present is a grams.

At time t seconds later, the quantity of Y present is y grams. The rate of the reaction, in grams/sec, is given by Rate=ky(a−y), where k is a positive constant. (a) For what values of y is the rate nonnegative?
Mathematics
1 answer:
galben [10]3 years ago
4 0

Answer:

y

Step-by-step explanation:

You might be interested in
Timpony School District surveyed a random sample of 606060 middle school students about the amount of time they watch TV. Of the
scoundrel [369]

Choice A is the most reasonable estimate

8 0
3 years ago
B=3/4a<br> A+b= 21<br> Solve for a and b
maxonik [38]

Answer:

A=12 B= 9

Step-by-step explanation:

4 0
3 years ago
How can i solve sin(7x)=sin(5x)?
andrew11 [14]
   
\displaystyle  \\ &#10;\texttt{The equation has three solutions.} \\  \\ &#10;S1: \\ &#10;\sin(7x) = \sin(5x) \\ &#10;7x = 5x \\ &#10;7x-5x=0 \\ &#10;2x=0 \\ &#10;\boxed{x_1 = 0^o} \\ &#10;Check:  \\ &#10;\sin(7\cdot 0)= \sin(0) = 0~~and~~\sin(5\cdot 0)= \sin(0) = 0 &#10;&#10;&#10;


\displaystyle S2: \\ &#10;\sin(7x) = \sin(5x) \\ &#10;\sin(180-\alpha)=\sin(\alpha) ~~\Longrightarrow~~ \sin(90+\beta)=\sin(90-\beta) \\ &#10;\Longrightarrow~~  \frac{7x + 5x}{2} = 90^o \\  \\ &#10; \frac{12x}{2} = 90^o \\  \\ &#10;6x = 90^o \\  \\ &#10;x_2 =  \frac{90}{6} \\  \\ &#10;\boxed{x_2 = 15^o }\\  \\ &#10;Check: \\ &#10;\sin(7\cdot 15^o) = \sin(105^o)=\sin(180^o-105^o)=\sin(75^o)=\sin(5\cdot 15^o)&#10;


\displaystyle S3: \\ &#10;\sin(7x) = \sin(5x) \\ &#10;\sin(180+\alpha)=\sin(360-\alpha) ~~\Longrightarrow~~ \sin(270+\beta)=\sin(270-\beta) \\ &#10;\Longrightarrow~~  \frac{7x + 5x}{2} = 270^o \\  \\ &#10; \frac{12x}{2} = 270^o \\  \\ &#10;6x = 270^o \\  \\ &#10;x_3 =  \frac{270}{6} \\  \\ &#10;\boxed{x_3 = 45^o }\\  \\ &#10;Check: \\ &#10;\sin(7\cdot 45^o) = \sin(315^o)=\sin(360^o-45^o)=\sin(180+45^o)=  \\  = \sin(225^o) = \sin(5 \cdot 45^0)



8 0
3 years ago
Mrs hunt had 10 pencils together she and ms lyerly had 80 pencils. How many times as many pencils did ms lyerly have than ms hun
Naily [24]

Find find how many Ms. Lyerly had by subtracting the amount Mrs Hunt had from the total:

80 - 10 = 70

Ms. Lyerly had 70 pencils.

Divide her amount by Mrs. Hunt's amount to find how many times more:

70 / 10 = 7

Ms Lyerly has 7 times more pencils than Mrs. Hunt.

6 0
3 years ago
The some of the squares of two consecutive integers is 145. Find the integers.
garik1379 [7]
The 2 numbers are 8 and 9.
8^2=64
9^2=81
<span>81+64=145</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • What are the terms, factors, coefficients and constants of the algebraic equation 9 – 12k?
    13·1 answer
  • Let f(x)=x^2-5x-36.
    12·1 answer
  • In 5-7 write each numbrr in standard form, (4×10⁴) + (6×10²)​
    9·1 answer
  • 2. Write the inequality and show all work to solve the
    6·1 answer
  • The Store’s wholesale price of a t-shirt is $50. If the markup set by the store is 30%. Calculate the retail price set by the st
    6·1 answer
  • Write a paragraph, flowchart, or 2-column proof for the following:
    7·1 answer
  • Ayudaaaaaaaaaaaaaaaaa
    14·2 answers
  • If a single marble is pulled out of the bag how many outcomes are in the sample
    8·1 answer
  • Sydney has a bag of stuffed animals containing, 1 elephant, 4 bears, 3 cats, and 2 dogs. If she randomly selects 1 stuffed anima
    6·1 answer
  • Please help me on this problem !
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!