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nika2105 [10]
3 years ago
7

Noelle is making a rectangular place mat that is 15 inches wide and 18 inches long. What is the least amount of fabric that she

will need to make the place mat?
Mathematics
1 answer:
Serhud [2]3 years ago
7 0

Answer:

270 in

Step-by-step explanation:

the least amount of fabric she would need is equal to the area of the mat

the mat is in the shape of a rectangle

Area of a rectangle = length x width

15 x 18 = 270 in²

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2.4 statistics A clothing store has a certain shirt in 4 sizes: small, medium, large, and extra large. If it has 2 small, 3 medi
nexus9112 [7]

Answer:

360,360

Step-by-step explanation:

This is called a Permutation with repetition, we want to know in how many ways we can arrange a certain ammount of elements (normal permutation), BUT some of those elements are identical.

The formula we use in these cases is:

\frac{n!}{n1!*n2!*...*ni!}

where n is the total amount of elements, n1 is the amount of repeated elements of the type 1, n2 is the amount of repeated elements of the type 2, ni is the amount of repeated elements of the type i.

In this particular case we have:

n=13 (total amount of shirts)

n1=2 (small shirts)

n2=3 (medium shirts)

n3=6 (large)

n4=2 (extra large)

then the amount of orders the shirts can be sold at (arranged) is:

\frac{13!}{2!*3!*6!*2!}=360,360

8 0
3 years ago
Which number can each term of the equation be multiplied by to eliminate the decimals before solving? –m + 0.02 + 2.1m = –1.45 –
poizon [28]

since the 2 in 0.02 is in the hundredths place, you need to multiply that by 100 to eliminate the decimal, then you would need to multiply the other numbers by 100 as well


 Answer is D) 100


7 0
3 years ago
Read 2 more answers
2x+3y=4<br><br>This is not slope btw 
viktelen [127]
When x=-4:
2(-4)+3y=4
3y=4+8
3y=12
y=4
So the ordered pair is (-4,4), I think

3 0
4 years ago
Read 2 more answers
Answer with steps pls
scoray [572]

Answer:

<u>A) 2¹²</u>

Step-by-step explanation:

Given :

  • 3x - y = 12

Equate the equation to y :

  • 3x - y + y = 12 + y
  • 12 + y = 3x
  • 12 + y - 12 = 3x - 12
  • <u>y = 3x - 12</u>

<u />

Substituting in the expression :

  • \frac{8^{x} }{2^{y} }
  • \frac{2^{3x} }{2^{3x-12} }
  • {2^{3x-3x+12}}
  • <u>2¹²</u>
6 0
2 years ago
Determine for each x-value whether it is in the domain of f or not. -
Basile [38]

Answer:

-7 is in our domain.

0 is in our domain

7 is not in our domain.

Step-by-step explanation:

So we have the rational function:

f(x)=\frac{x}{x-7}

The domain restrictions of rational functions are the zeros of the denominator.  In other words, the domain of rational functions are always all real numbers except for the zeros of the denominator.

So, solve for the denominator by setting it to 0:

x-7=0

Add 7 to both sides:

x=7

So, our domain is all real numbers except for 7.

(When x=7, we have 7/0, which is undefined.)

Therefore:

-7 is in our domain.

0 is in our domain

7 is not in our domain.

8 0
4 years ago
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