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2 years ago

If you answer these 2 questions,, I will give you 5 stars, 1 thanks, and 25 points :)

Mathematics

1 answer:

Mashcka [7]2 years ago

7 0

Answer:

1) $361.25

2) $280

Step-by-step explanation:

1) $425 * 0.85 = $361.25

If you purchase something that is 25% off then you would only be paying 85% of the cost. 85% in decimal form is 0.85

2) $350 * 0.80 = $280

Similarly, 20% off means you pay 80% of the cost. 80% in decimal form is 0.80

Hope this helps! Please mark brainliest! Have a great day!

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Find the area of a square with a diagonal of 8cm.

klio [65]

You have to use the Pythagorean theorem but there is a little twist here since a square has has equal sides. So:
x^2+x^2=8
2x^2=8
2/2x^2=8/2
x^2=4
√x^2=√4
x=2
The side of the square is 2.
So now the area of a square is:
Side×Side
2×2=4
The area of the square is 4 centimetres

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3 years ago

Is 10 gallons greater or 1280 fluid ouncez

Cerrena [4.2K]

There are 128 fluid oz in 1 gallon
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so they are both the same
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3 years ago

Read 2 more answers

A yearbook page will show 20 photos displayed in rows.Each row must contain the same number of photos.How many different ways ca

gregori [183]

Answer:

There are five different ways, in which we can arrange the photos.

Step-by-step explanation:

There are five different ways to arrange the photos.

1. 5 photos in each 4 rows.

2. 4 photos in each 5 rows.

3. 2 photos in each 10 rows.

4. 10 photos in each 2 rows.

5. 20 photos in a single row.

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3 years ago

Jim bought 2 packs of batteries from a store. The price of each pack was the same. After he bought the batteries, his account ba

My name is Ann [436]

Answer:

$11.97

Step-by-step explanation:

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2 years ago

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The regular hexagon shown below has a perimeter of 30 and center C. What is the perimeter of triangle ABC.

Softa [21]

Answer:

Option (3)

Step-by-step explanation:

Perimeter of a regular hexagon = 30 units

Length of one side = $\frac{30}{6}$

= 5 units

Interior angle of hexagon = $\frac{(n-2)\times 180}{n}$

= $\frac{(6-2)\times 180}{6}$

= 120°

BC is an bisector of the angle measuring 120°.

m∠ABC = 60°

Similarly, m∠BCA ≅ ∠CAB ≅ 60°

Therefore, ΔABC is an equilateral triangle.

By the property of equilateral triangle, all sides of the triangle will be equal in measure.

AB ≅ BC ≅ AC ≅ 5 units

Perimeter of triangle ABC = AB + BC + AC

= 5 + 5 + 5

= 15 units

Option (3) will be the answer.

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3 years ago