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worty [1.4K]
3 years ago
7

Amanda's sewing a flag for a competition. The dimensions of her flag are shown below. Approximately, how many square yards of bl

ack material will Amanda need to make the flag?
Mathematics
1 answer:
DedPeter [7]3 years ago
5 0

To calculate the area of the black material on the flag, we need the shape and the dimensions of the black material itself.

<em>Since the question is incomplete, as the dimension of the flag and the dimension of the black material are not given, I will provide a general explanation</em>

<em />

Assume the shape of the black material is a rectangle.

The area will be calculated as:

Area = Length * Width

Take for instance;

Length = 4yd;\ Width = 5yd

The area is:

Area  = 4yd * 5yd

Area  = 20yd^2

Assume the shape of the black material is a square.

The area will be calculated as:

Area =Length^2

Take for instance;

Length = 4yd

The area is:

Area = (4yd)^2

Area = 16yd^2

Assume the shape of the black material is a triangle

The area will be calculated as:

Area = 0.5 * Base * Height

Take for instance;

Base = 4yd;\ Height = 5yd

The area is:

Area = 0.5 * 4yd * 5yd

Area =10yd^2

So, in general.

You need to first get the shape of the black segment on the flag, then calculate the area using the appropriate formula.

Related link:

brainly.com/question/24251781

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Anni [7]

Answer:

The blanks are both 8

Step-by-step explanation:

This is because of the distribution property. Since there is parenthesis, this means that the 8 is being distributed to both the 5 and -2.

4 0
3 years ago
Read 2 more answers
What is the estimated perimeter of an ellipse if the major axis has a length of 15 ft and the minor axis has a length of 7.5 ft?
JulsSmile [24]
The answer is 20 feet
4 0
3 years ago
A school bought pens, each costing $1, and pencils, each costing $0.5. The cost of the whole purchase was $220. How many pens an
Mkey [24]

Answer:

  • <u>120 pens and 200 pencils.</u>

<u></u>

Explanation:

You can set a system of two equations.

<u>1. Variables</u>

<u />

  • x: number of pens
  • y: number of pencils

<u>2. Cost</u>

  • <em>each pen costs</em> $1, then x pens costs: x
  • <em>each pencil costs</em> $0.5, then y pencil costs: 0.5y

  • Then, the total cost is: x + 0.5y

  • The cost of the whole purchase was $ 220, then the first equation is:

          x + 0.5y = 220 ↔ equation (1)

<u>3. </u><em><u>There were 80 more pencils than pens</u></em>

Then:

  pencils  =      80   +   pens

       ↓                               ↓

       y        =      80   +      x        ↔ equation (2)

<u>4. Solve the system</u>

i) Substitute the equation (2) into the equation (1):

  • x + 0.5(80 + x) = 220

ii) Solve

  • x + 40 + 0.5x = 220
  • 1.5x = 180
  • x = 180/1.5
  • x = 120 pens

iii) Substitute x = 120 into the equation (2)

  • y = 80 + 120
  • y = 200 pencils

Solution: 120 pens and 200 pencils ← answer

6 0
3 years ago
Need help please, thanks!
MakcuM [25]
Given:
1 inch : 18 kilometers

Let us use the ratio and proportion method:

a:b = c:d where ad = bc

0.8 inches is <u>14.4 kilometers</u>

1 : 18 = 0.8 : x
x = 0.8 * 18
x = 14.4 km

1.4 inches is <u>25.2 kilometers</u>

1: 18 = 1.4 : x
x = 18 * 1.4
x = 25.2 km

2.1 inches is <u>37.8 kilometers</u>

1 : 18 = 2.1 : x
x = 18 * 2.1
x = 37.8 km

4 0
3 years ago
The prime factorization of 7,840,000 is 2^8*5^4*7^2. The prime factorization of square root of 7840000 is 2^a*5^b*7^c. What is a
Sladkaya [172]

Answer:

8+4+2=14

Step-by-step explanation:

Sorry if this did not help! I give away points!

6 0
2 years ago
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