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Rus_ich [418]
3 years ago
11

Note that 3 is a factor of 21. This means that 3×[]=21. Another way to write this is 3×n=21. Find a value of n that makes the st

atement true.
Mathematics
1 answer:
mash [69]3 years ago
7 0

Answer:

n=9

Step-by-step explanation:

3*9=21

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A) 8 chocolate chip cookies

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What makes a right trapezoid unique from all the other trapezoids
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A right trapezoid is a trapezoid in which one of the sides is perpendicular to the two bases: In this special case, if you know the length of the perpendicular side, that's the same as the altitude of the trapezoid.

3 0
3 years ago
What is the difference of 56.45 and 49.26
vodomira [7]

Answer:

7.19

Step-by-step explanation:

  56.45

-  49.26

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6 0
3 years ago
Read 2 more answers
21.) A rectangle has an area of 36 square units. As the length and width change, what do you know about their
natima [27]

Answer:

the length and the width are inversely proportional to each other (l=\frac{36}{w} or w=\frac{36}{l})

Step-by-step explanation:

Let

l units = length of the rectangle,

w units = width of the rectangle.

The area of the rectangle is

\text{Area}=\text{Length}\cdot \text{Width}

A rectangle has an area of 36 square units, so

l\cdot w=36

Complete the table with some values of l and w that fit the previous formula:

\begin{array}{ccc}\text{Length}&\text{Width}&\text{Area}\\ \\36&1&36\cdot 1=36\ un^2.\\18&2&18\cdot 2=36 \ un^2.\\12&3&12\cdot 3=36\ un^2.\\ 9&4&9\cdot 4=36\ un^2.\\l&w&l\cdot w=36 \ un^2.\end{array}

As you can see, the length and the width are inversely proportional to each other (l=\frac{36}{w} or w=\frac{36}{l})

4 0
4 years ago
What is the simplest form of
marusya05 [52]
Factor the numerator and factor the denominator.

\frac{x^2 + 5x - 36}{x^2 - 16} =  \frac{(x +9)(x - 4)}{(x + 4)(x - 4)} =  \frac{x+9}{x+4}

Then you divide the numerator and the denominator by the common factor to reduce the fraction.
7 0
3 years ago
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