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zepelin [54]
3 years ago
8

Thanks for your help

Mathematics
2 answers:
Ilya [14]3 years ago
7 0

Answer:

Step-by-step explanation:

volume = 4/3 x pi x r^3

4/3 x pi x 125

125 x 4/3 = aprox. 166.67

so 166.67 x pi = 523. 33

so 523.33!

tresset_1 [31]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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Given: a||b, and c||d, m∠4=45°<br> Find: the measures of angles 1, 2, and 3
Sophie [7]

Answer:

<2=45 degrees

Step-by-step explanation:

7 0
3 years ago
A painter starts with a blank 24-inch by 12-inch piece of rice paper. The painter wants to leave a uniform border x inches wide
ddd [48]

Answer:

a. A = x² - 36x + 288

b. If x = 2; A = 220 in²

Step-by-step explanation:

<h2>a.</h2>

In this scenario, 'x' represents the width of the border. A "uniform border" means that the border has the same width all around.

The area of the paper that can be painted does not include the border. Since the border is on the original rice paper (not added to it), you subtract 'x' from each side of the rice paper.

The area of a rectangle is A = lw (Area is length times width). <u>Each length and width is reduced by 'x'.</u>

If the original rice paper's area is: 24 X 12, then,

the Area that can be painted is:

A = (24 - x) (12 - x)

A polynomial in standard form means the most expanded version of an expression, ordering the terms (numbers) from greatest to least degree. (The degree of a term is the value of its exponent).

Expand the expression. Multiply the numbers from each bracket in the order FOIL (first, outside, inside last):

A = (24 - x) (12 - x)

= 288 - 24x - 12x + x²        Collect like terms (-24x - 12x = -36x)

= 288 - 36x + x²        Rearrange ordering greatest to least exponent value

= x² - 36x + 288        Standard form polynomial

<h2>b.</h2>

The width of the margin is the same thing as the width of the border. Since 'x' is the width of the border,

x = 2

Using either the expanded or factored equation for area of that can be painted, substitute 'x' for 2.

I will use the factored form.

A = (24 - x) (12 - x)        Substitute x for 2

= (24 - 2) (12 - 2)          Solve inside each bracket first by subtracting

= (22) (10)             Multiply

= 220                 Area that can be painted

Remember to include the units: 220 in²

Therefore if the margin is 2 inches wide, then the area that can be painted in 220 square inches.

5 0
3 years ago
What is the value of 100?
Nesterboy [21]

Answer:

10

Step-by-step explanation:

Means back the numbers into multiples of several small numbers

Like:; 1. We take LCM of 40

Just break into multiples of small number

40= 2×2×2×5

2. We take LCM of 50

50= 5×5×2

So LCM for 100 is 2×2×5×5

after that see the pairs in the LCM like 2×2 or 3×3 or 4×4(same numbers)

Then write the the single number in place of two multipled numbers

Like:; 2×2 is written as 2 // 3×3 is written as 3

So we can write 100 into 2×2×5×5 and then after selecting pairs (2×2)×(5×5)

write pairs in single number 2×5

And so we get 2×5=10

So we find root of 100 that is 10

8 0
3 years ago
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HELP PLEASE I NEED TO ANSWER THIS NOWW SERIOUS ANSWERS ONLY PLEASE
Elis [28]

<u>Answer</u> i think the first one goes down by .3 every time but i am not 100$

Step-by-step explanation:

5 0
3 years ago
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Which mixed number is equivalent to the improper fraction 42/5
a_sh-v [17]

Answer:

The answer is C 8 2/5 im pretty sure.

5 0
2 years ago
Read 2 more answers
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