MAFS.5.NF.2.5b4. Valeria is going to the grocery store to buy turkey
and ham to use for sandwiches this week. She buys
4
2
as much ham as turkey. Which of
7
3
the following statements is true?
1 turkey and 12 /
A. She is buying more turkey than ham.
B. She is buying the same amount of turkey and ham.
C. She is buying twice as much turkey as ham.
D. She is buying less turkey than ham.
Cuál es la repuesta? Hola
Answers
Answer:
Step-by-step explanation:
See attachment.
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im ading and subtracting rational expression.my question is 5 is the numerator 2x -1 is the denominator + 6x +7 and 1 -4x squared
Which of the following is equivalent to √8?A.2B.√2C.2 √2D.2 + √2
A rumor spreads through a small town. Let y(t) be the fraction of the population that has heard the rumor at time t and assume that the rate at which the rumor spreads is proportional to the product of the fraction y of the population that has heard the rumor and the fraction 1−y that has not yet heard the rumor. a. Write the differential equation satisfied by y in terms of proportionality k. b. Find k (in units of day−1, assuming that 10% of the population knows the rumor at time t=0 and 40% knows it at time t=2 days. c. Using the assumptions in part (b), determine when 75% of the population will know the rumor.d. Plot the direction field for the differential equation and draw the curve that fits the solution y(0)=0.1 and y(0)=0.5.
Given that a 90% confidence interval for the mean height of all adult males in Idaho measured in inches was [62.532, 76.478]. Use this to answer all parts. What was the point estimate used to estimate the mean height of all adult males in Idaho?
all real numbers greater than or equal to 1
all real numbers less than or equal to 5
all real numbers less than or equal to 1
all real numbers
Answers
Answer:
"all real numbers"
Step-by-step explanation:
The domain is the set of x-values for which the function is defined.
Domain is also the input of the function (graph).
The graph shown has arrows in both directions. It means that the graph goes on in both directions. If we were to think correctly, we would say the graph would go on-and-on in both +ve x and -ve x directions. So there would be values of x for all real numbers (going to infinity and negative infinity)
Hence, the domain is all real number, the last answer choice is right.
Line through (5, -6)
Answers
Answer:
y = -2x + 4
Step-by-step explanation:
Pre-Solving
We are given that a line has a slope (m) of -2 and passes through (5, -6).
We want to write the equation of the line.
There are three ways to write the equation of the line:
- Slope-intercept form, which is y=mx+b, where m is the slope and b the value of y at the y-intercept.
- Standard form, which is ax+by=c, where a, b, and c are free integer coefficients.
- Point-slope form, which is
, where m is the slope and
is a point.
Any of these forms will work, however let's put it into slope-intercept form as that is the most common way.
Solving
As we are already given the slope, we can immediately plug that into the equation.
Substitute m with -2.
y = -2x + b
Now, we need to solve for b.
As the equation passes through (5, -6), we can use its values to help solve for b.
Substitute 5 as x and -6 as y.
-6 = -2(5) + b
Multiply.
-6 = -10 + b
Add 10 to both sides.
4 = b
Substitute 4 as b.
y = -2x + 4
every dog
pet store
there are 3 cats at the pet store. What's the ratio?
Answers
Answer:
1/3?
Step-by-step explanation:
AC =
BD =
Please help!
Answers
Answer:
AC=BD
3(x-5)=x+11
3x-15 = x+11
2x=26
x= 13
AC= 3(13 -5)= 24
BD= 13+11 = 24
Step-by-step explanation:
Answers
Answer:
y=20x+25, this equation is linear, the rate of change is constant
Step-by-step explanation:
She starts with 25$, that doesn't change so its our constant. Let x represent each week. Each week she ears 20$
So, let y represent the total amount of money she has
y=20x+25, this equation is linear, the rate of change is constant
Answers
This question is incomplete, the complete question is;
find the critical points and classify them as local maxima, local minima, saddle points, or none of these.
f(x,y) = (x + y)(xy + 1)
Answer:
(x,y) = (-1, 1), (1, -1) area critical points
f(xx) =2y, fyy =2x,f(xy) =2x + 2y, D = f(xx)fyy - f(xy²)
at (-1, 1)
f(xx) = 2 ,fyy =-2,f(xy) = 0, D = -4 < 0 saddle point
at (1, -1)
f(xx) = -2, fyy =2,f(xy) =0, D = -4 < 0 saddle point
Step-by-step explanation:
Given that;
f(x,y) = (x + y)(xy + 1)
f(x,y) =x²y + xy² + x + y
for critical points fx =0 ,fy =0
fx = 2xy + y² + 1 = 0, fy = x² + 2xy + 1 = 0
2xy + y² + 1 = 0, x²+ 2xy + 1 = 0
2xy + y² + 1 - x² - 2xy - 1 = 0
x² = y²
=> x = y, x = -y
2xy + y² + 1 = 0, x = y
2yy + y² + 1 = 0
3y² = -1 , no solution
2xy + y² + 1 = 0, x = -y
-2yy + y² + 1 = 0
=> -y2 + 1 = 0
=> y = -1, y = 1
y = -1 => x = 1, y = 1 => x = -1
(x,y) = (-1, 1), (1, -1) area critical points
f(xx) =2y, fyy =2x,f(xy) =2x + 2y, D = f(xx)fyy - f(xy²)
at (-1, 1)
f(xx) = 2 ,fyy =-2,f(xy) = 0, D = -4 < 0 saddle point
at (1, -1)
f(xx) = -2, fyy =2,f(xy) =0, D = -4 < 0 saddle point