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Elena-2011 [213]
3 years ago
15

I know it seems that alot of people like on here so people do their work but I really need help!!! I have a set of problems that

I do not understand! and I could really use the brainly commute to help!
One thermos of hot chocolate uses 2/3 cup of cocoa powder. How many thermoses can Nelli make with 3 cups of cocoa powder?

a. Solve the problem by drawing a picture.

b. Explain how you can see the answer to the problem in your picture.

c. Which of the following multiplication or divisions equations represents this situation? Explain your reasoning.
3 x 2/3 =? 3 ÷ 2/3 =? 2/3 ÷ 3 =?

d. Solve the arithmetic problem you chose in part (c) and verify that you get the same answer as you did with your picture.
Mathematics
1 answer:
marshall27 [118]3 years ago
4 0

Answer:

No Problem, I know That I personally can't stand it when people just give me the number. So another way to think of this problem is "How many 2/3 are in 3 cups." So try drawing 3 rectangles to represent 3 cups and then draw two lines inside those rectangles so that there are 3 rectangles inside each one and then shade in two of the smaller rectangles in a way that you can tell them all apart preferably different colors and then just count them.

Step-by-step explanation:

Hope this is enough to help you understand it, if not then feel free to ask for more info in the comments. :)

You might be interested in
What is the effective annual rate for an APR of 10.60 percent compounded quarterly?
Musya8 [376]

Answer:

<em>The effective annual rate is 11.03%</em>

Step-by-step explanation:

The effective interest rate is calculated through the formula:

r = (1 + i/n)^n - 1

In this formula, r represents the effective interest rate, i represents the stated interest rate or APR, and n represents the number of compounding periods per year.

For a quarterly compounded interest, n=4. The APR i=10.60%=0.106

Given an APR r, the effective annual rate for a quarterly compound is:

r = (1 + 0.106/4)^4 - 1=1.0265^4-1

r=1.11029-1=0.1103

The effective annual rate is 11.03%

7 0
3 years ago
Given: Circle k (O), OA and OC -radii, AP and CP - tangents, m∠AOC=150° Find: m∠APC
viva [34]

Answer:

m∠APC = 30°

Step-by-step explanation:

To solve for the above question, we would be making use of circle theorems

Looking at the circle, we can see that

m∠APC is an Angle outside the circle

m∠AOC is a smaller arc in the circle.

Therefore, Circle Theorem states that for a circle with two tangents,

The Angle outside the circle + The smaller arc = 180°

Hence,

m∠AOC + m∠APC = 180°

m∠APC = 180° - m∠AOC

m∠APC = 180° - 150°

m∠APC = 30°

3 0
3 years ago
What is the quotient (125 – 8x3) ÷ (25 + 10x + 4x2)?
ahrayia [7]
Your answer is:
(125 - 8x^3) / (25 + 10x + 4x^2) = - ((2x - 5) * (4x^2 + 10x + 25)) / (4x^2 + 10x + 25) = - (2x - 5) = - 2x + 5

The correct result would be - 2x + 5.
6 0
3 years ago
Read 2 more answers
(1st pic) What is the equation of the line shown in this graph?
vredina [299]

Answer:

For figure 1: The equation of a line is y=1

For figure 2: The equation of a line is y=(-4)x+1

For figure 3:The equation of a line is y=\frac{-5}{2}x+5

Step-by-step explanation:

The equation of line slope-intercept form is given by y=mx+c

Where m is the slope of the line and c is the y-intercept.

For figure 1:

Here, Line is parallel to x-axis

Hence, Slope m=0

Also, Line passing to y axis at (0,1)

Y-intercept is c=1

Therefore,

The equation of line is

y=0x+1

y=1

For figure 2:

Figure show a line passing through point (1,-3) and (-1,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-(-3)}{(-1)-1}

m=\frac{8}{-2}

m=(-4)

Also, Line is intersecting y-axis at (0,1)

Hence, c=1

We can write the equation of line as

y=mx+c

y=(-4)x+1

Thus, The correct option is D). y=(-4)x+1

For figure 3:

From the figure, a line is passing through points (-2,0) and (0,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-0}{0-(-2)}

m=\frac{-5}{2}

Also, Line is intersecting y-axis at (0,5)

Hence, c=5

We can write the equation of line as

y=mx+c

y=\frac{-5}{2}x+5

4 0
3 years ago
2x&lt;15<br> solve for x<br> Simplify equation
aniked [119]

Answer:

x<7.5

Step-by-step explanation:

  • 2x/2<15/2
  • x<15/2

3 0
3 years ago
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