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3 years ago

MARKING BRAINIEST!!! 20 PTS!!!

Mathematics

2 answers:

ipn [44]3 years ago

7 0

Step-by-step explanation:

Given, DF and DE are midsegments of ABC. so D is the mid point of AB and F is the mid point of AC. Considering AB,

Then DE is parallel to AC, as mid-segments are parallel to the non included side of the triangle.

Also, according to corresponding angle theorem,

AURORKA [14]3 years ago

6 0

Answer:

Given, DF and DE are midsegments of ABC. so D is the mid point of AB and F is the mid point of AC.

Considering AB,

Then DE is parallel to AC, as mid-segments are parallel to the non included side of the triangle.

Also, according to corresponding angle theorem,

Then,

As,

According to similarity of two triangles,

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4 years ago

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3 years ago

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If a musician uses his credit card to pay for a new violin that costs $2,900 and does not pay on it until the second month, what

xenn [34]

Solution:

1. Cost of a new Violin that is bought by the musician = $ 2900

Monthly interest charge = 3.35 %

If you will find the compound interest or simple interest for a month, they both will be same for a month.

Simple interest =

$\frac{Principal \times Rate \times Time}{100}$

$=\frac{2900 \times 3.35 \times 1}{ 100}\\\\ =29 \times 3.35\\\\ =97.15$

Interest paid at the end of first month = $ 97.15

2. Loan Amount = $ 3,500

Annual interest = 8 %

Time period = 2 years= 24 months

As , we have to find the total payback for two years, at 8% annual interest with monthly payments .we will use the formula of Amount in terms of compound interest here.

Formula for Amount

Amount= $Principal (1 +\frac{Rate}{100})^{time}]$

$=3500 \times [(1+\frac{8}{1200})^{24}]\\\\ = 3500 \times [(1.0066)^{24}]\\\\= 3500 \times 1.1710 \\\\ =4098.58$

Total payback after 2 years = $ 4098.58

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4 years ago

Select the coin which cannot be used by itself to count 0.75.

cestrela7 [59]

It is a dime cause a dime is 10¢ and you cannot divide 75 by 10 you get a decimal

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3 years ago

Devin is making a candle by pouring melted wax into a mold in the shape of a square pyramid. Each side of the base of the pyrami

Igoryamba

Answer:

5 cubes

Step-by-step explanation:

The volume of a square pyramid is given in terms of its side length (s) and height (h) as ...

V = (1/3)s^2·h

For the given measurements, the volume is ...

V = (1/3)(9 cm)^2 ·(10 cm) = 270 cm^3

___

The volume of each cube of wax is the product of its length, width, and height, so is ...

V = (4 cm)^3 = 64 cm^3

___

Then the number of wax cubes required to fill the pyramid is ...

(270 cm^3)/(64 cm^3/cube) = 4 7/32 cubes

Four cubes are not quite enough to make the candle.

Devin will need 5 cubes to make the candle.

3 0

3 years ago