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Mekhanik [1.2K]
4 years ago
7

A child can explain that 3x2 represents three sets of two

Mathematics
1 answer:
pickupchik [31]4 years ago
7 0
A child can explain that 3×2 represents 3 sets of 2. Concrete operational, mathematical transformations. A child doesn't sneak a cookie when his mom outside because he thinks that she can see what he sees.
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Kayla paints a bookcase she uses 1 5/6 cups of paint on the outside of the bookcase and 3/8 cup of paint on the inside. How many
olchik [2.2K]

Answer: Kayla used 2 5/24 cups of paint all together.

Step-by-step explanation:

Kayla paints a bookcase by using

1 5/6 cups of paint on the outside of the bookcase. Converting 1 5/6 cups to improper fraction, it becomes 11/6 cups of paint.

She also used 3/8 cup of paint on the inside.

Therefore, the total number of cups of paint that Kayla used all together would be

11/6 + 3/8 = (44 + 9)/24 = 53/24 cups of paint. Converting to mixed fraction, it becomes

2 5/24 cups of paint

3 0
3 years ago
Let X and Y be joint continuous random variables with joint density function fpx, yq " # e ´y y 0 ă x ă y, 0 ă y ă 8 0 otherwise
Assoli18 [71]

Answer:

For X, the parameter

is λX = 1/2 and for Y it is λY = 1. Using the formula sheet, Mean is

E[Z] = E[X] + 2E[Y ] = 4. Variance is V ar(Z) = V ar(X) + 4V ar(Y ) = 8.

6 0
3 years ago
How can I adjust a quotient to solve a division problem
Schach [20]
Ask them to first estimate the quotient and then to find the actual
6 0
3 years ago
Which value of x satisfies the equation sin40=cosx
svp [43]

Answer:

Try to use your calculator and just substitute values

Step-by-step explanation:

6 0
3 years ago
What is the slope of y = - 1 + 3x
mihalych1998 [28]

Answer:

Slope <em>m</em> = 3

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

y = -1 + 3x

<u>Step 2: Rewrite</u>

<em>Rearrange</em>

y = 3x - 1

<u>Step 3: Break Function</u>

<em>Identify parts</em>

Slope <em>m</em> = 3

y-intercept <em>b</em> = -1

8 0
3 years ago
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