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2 years ago

Anna buys a sweater for $25.60, and it is on sale for 35% off. What is the amount of the discount?

Mathematics

2 answers:

valentina_108 [34]2 years ago

5 0

To find the amount of the discount, you need to do this: 25.6*30%

25.6*0.3 = 7.68

So the discount amount is $7.68.

inysia [295]2 years ago

4 0

To find the answer of this question, you have to multiply 25.60*0.35, since 35% equals 0.35 and the original price of the sweater was 25.60. After you do this, you should get $8.96 as the amount of the discount.

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5. Each year a tree farm grows 40 more trees than the number of trees grown the previous year. The farm sells all of their trees

Veronika [31]

Answer:

1710 trees up to 2016 (not including 2016)

2100 trees up to 2016 (including 2016)

Step-by-step explanation:

Given that

Farm started with 30 trees in 2007.

Every year 40 more trees than the previous year.

It is actually an Arithmetic Progression (AP) with

First term, a = 30 and

Common Difference, d = 40

The AP will look like:

30, 70, 110, 150, ....

We have to find the sum of this AP upto 9 terms and 10 terms:

9 terms sum will give us the total number of trees up to 2016 (not including 2016).

10 terms sum will give us the total number of trees up to 2016 (including 2016).

Formula for sum of 'n' terms of an AP:

$S_n=\dfrac{n}{2}(2a+(n-1)d)\\\Rightarrow S_9=\dfrac{9}{2}(2\times 30+(9-1)40)\\\Rightarrow S_9=\dfrac{9}{2}(60+320)\\\Rightarrow S_9=\dfrac{9}{2}(380)\\\Rightarrow S_9=9 \times 180 = 1710$

$S_{10}=\dfrac{10}{2}(2\times 30+(10-1)40)\\\Rightarrow S_{10}=5(60+360)\\\Rightarrow S_{10}=5 \times 420\\\Rightarrow S_{10}=2100$

1710 trees up to 2016 (not including 2016)

2100 trees up to 2016 (including 2016)

4 0

3 years ago

What is the radius of a sphere with a volume of 4186 in3 to the nearest tenth of an inch?

Aleks04 [339]

Answer:

10 inches

Step-by-step explanation:

r=(3V

4π)⅓=(3·4186

4·π)⅓≈9.99778in

3 0

3 years ago

Numeşte câte un sinonim pentru sensul din text al cuvintelor: despărţire, patimă.

solong [7]

Answer:

1) A synonym for the word 'parting' is separation.

A synonym for the word 'passion' is determination.

2) I'm not going to lie, the 'thought' of this pandemic never ending has crossed my mind a couple of times already!

1) Un sinonim pentru cuvântul „despărțire” este separarea.

Un sinonim pentru cuvântul „pasiune” este determinarea.

2) Nu o să mint, „gândul” acestei pandemii care nu se termină niciodată mi-a trecut prin minte de câteva ori!

Step-by-step explanation:

English Translation

1) Name a synonym for the meaning in the text of the words: parting, passion.

2) Construct a statement in which to use a phrase / expression that contains the noun thought.

Solution

1) Parting

The word 'parting' meansthe serperation of two or more quantities/substances/humans (etc.) that were once together.

The synonyms of the word include Separation, farewell, division etc.

Passion

'Passion' means a strong, powerful, intense emotion.

The synonyms of the word include determination, zeal, fervor, ardor etc

2) A statement that contains the use of the noun thought

I'm not going to lie, the 'thought' of this pandemic never ending has crossed my mind a couple of times already!

In Romanian/In limba romana

1) Împărțire

Cuvântul „despărțire” înseamnă serperarea a două sau mai multe cantități / substanțe / oameni (etc.) care au fost odată împreună.

Sinonimele cuvântului includ Separarea, adio, divizare etc.

Pasiune

„Pasiune” înseamnă o emoție puternică, puternică, intensă.

Sinonimele cuvântului includ determinarea, râvna, fervoarea, ardoarea etc.

2) O enunț care conține utilizarea substantivului gândit

Nu o să mint, „gândul” acestei pandemii care nu se termină niciodată mi-a trecut prin minte de câteva ori!

Hope this Helps!!!

Sper că acest lucru vă ajută!!!

3 0

3 years ago

If x = 15 in, y = 20 in, and z = 25 in, what is the surface area of the geometric shape formed by this net?

Brums [2.3K]

C
………………………………………………..

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2 years ago

.416 rounded to the nearest thousands.

Xelga [282]

.416 is rounded to the nearest thousandth

7 0

3 years ago

Read 2 more answers