‏Good morning, what is the

Uma used 1/2 cup of milk for 2/3 of a cake How much milk will she use for the whole cake?

jasenka [17]

Answer:

Then you will use 2/2

Step-by-step explanation:

8 0

3 years ago

A student wants to know the approximate distance between London and Beijing. Using a string, she finds that the distance on a gl

Montano1993 [528]

Answer:

8182 kilometers

Step-by-step explanation:

A correct proportion to use is 22 over 5,000 = 36 over d

Cross multiply to get 22d = 5,000 x 36. Then, solve d. d = 8181.81.......so the approximate distance rounded to the nearest whole number from London to Beijing is 8182 kilometers.

Hope This Is Right.....

8 0

3 years ago

Read 2 more answers

A truck's varying distance from the warehouse, d , measured in miles is modeled by the formula d=t2+50t where t is the varying n

Dafna1 [17]

Answer:

7.596 hours
57.596 mph

Step-by-step explanation:

a) The distance is given as ...

d = t^2 +50t

We want to find the value of t for which this distance is 437.5 miles. That means we want to solve the equation ...

437.7 = t^2 +50t

We can complete the square by adding the square of half the t coefficient, (50/2)^2 = 625

437.5 +625 = t^2 +50t +625

1062.5 = (t +25)^2

√1062.5 -25 = t ≈ 7.596 . . . . hours

It will take the truck about 7.596 hours to reach its destination.

__

b) Average speed is total distance divided by total time. Here, we can find the average speed as ...

d/t = (t^2 +50t)/t = t +50

That is, the average speed over the 437.5-mile trip is ...

7.596 +50 = 57.596 . . . . miles per hour

The car must maintain a constant speed of 57.596 mph to reach the destination at the same time.

_____

When solving equations using a graphing calculator, I like to put them into a form such that the solution is the x-intercept. Here, that means the equation we're solving is ...

x^2 +50x -437.5 = 0 . . . . x is hours to destination

8 0

3 years ago

Please help!!! I don't get this!!! 100 POINTS!!!!

Irina18 [472]

Recognizing that the dotted line is sin(x) and solid line is cos(x), it's clear to see that the sin(x) has a larger amplitude than cos(x). So, we get a1 > a2.

Only B and E satisfies the above. But E is clearly incorrect since amplitude cannot be less than 0.

Therefore, B would be the correct choice.

5 0

4 years ago

Read 2 more answers

Each set of three points is collinear. Find each missing x- or y-value. Enter each answer to the nearest hundredth. (6, 10.2), (

Dima020 [189]

Considering that the points are part of the same linear function, the missing x-value is given by:

a. 1.1.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.

b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

Given two points, the slope is given by <u>change in y divided by change in x</u>. In this problem, we are given points (6, 10.2) and (1.5, 3.45), hence the slope is:

m = (10.2 - 3.45)/(6 - 1.5) = 1.5.

Hence:

y = 1.5x + b.

When x = 6, y = 10.2, hence we use it to find b as follows:

10.2 = 1.5(6) + b

9 + b = 10.2

b = 1.2.

Hence the function is:

y = 1.5x + 1.2.

The value of x when y = 2.85 is given by:

y = 1.5x + 1.2.

2.85 = 1.5x + 1.2.

1.5x = 1.65.

x = 1.65/1.5

x = 1.1.

Hence option A is correct.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

4 0

2 years ago