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2 years ago

What times 1/10 equals 0.49

Mathematics

1 answer:

Fudgin [204]2 years ago

6 0

1/10x = 0.49
x = (0.49) / (1/10)
x = 0.49 * 10/1
x = 4.9 <==

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Worked a total of

kifflom [539]

Answer:

26 for the first and 18 for the second.

Step-by-step explanation: 44-8=36. 36÷ 2=18. 18+8=26. So, you get 26 and 18 hours.

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2 years ago

Find the 41st term an arithmetic sequence if the common difference is -4 and the first term is 2

Travka [436]

ANSWER

-158

EXPLANATION

The general term of an arithmetic sequence is

$a_n=a_1+d(n-1)$

where

$a_1=2$

is the first term and

$d = - 4$

is the common difference.

Since we want to find the 41st term, we put n=41 to obtain,

$a_{41}=2+ - 4(41-1)$

$a_{41}=2- 4(40)$

$a_{41} = - 158$

The 41st term is -158.

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2 years ago

quentin has 18 unit cubes how many diffrent rectangular prisims can he build if he uses all of the cubes

tigry1 [53]

1.) 18 in. by 1 in. 2.) 18 in. by 1 in. 3.) 2 in. by 9 in. 4.) 9 in. by 2 in. 5) 6 in.by 3 in. 6.) 3 in. by 6 in.
There are 6 shapes. I hope this helped.

7 0

2 years ago

1/3 · (-3x + 4y - 5z) <br> (1/3 Is A Fraction)<br> (Write Explanation)

sergeinik [125]

The value of expression is -(x- 4y/3 + 5z/3)

<h3>What is fraction?</h3>

A fraction represents a part of a whole or, more generally, any number of equal parts.

Given:

1/3 · (-3x + 4y - 5z)

= 1/3(-3x) + 1/3 *4y + 1/3* (-5z)

= -x +4/3*y -5/3 *z

=-(x- 4y/3 + 5z/3)

Hence, 1/3 · (-3x + 4y - 5z)= -(x- 4y/3 + 5z/3)

Learn more about this concept here:

brainly.com/question/9655268

#SPJ1

6 0

1 year ago

The area of a rectangular wall of a barn is 85 square feet. Its length is 12 feet longer than the width. Find the length and wid

MaRussiya [10]

Answer:

Length = 17 feet, Width = 5 feet

Step-by-step explanation:

Given:

The area of a rectangular wall of a barn is 85 square feet.

Its length is 12 feet longer than the width.

Question asked:

Find the length and width of the wall of the barn.

Solution:

Let width of a rectangular wall of a barn = $x$

<u>As length is 12 feet longer than the width.</u>

Length of a rectangular wall of a barn = $12+x$

As we know:

$Area\ of\ rectangle=length\times breadth$

$85=(12+x)x\\\\85=12x+x^{2} \\$

Subtracting both sides by 85

$x^{2} +12x-85=0\\x^{2} +17x-5x-85=0\\Taking\ common\\x+(x+17)-5x(x+17)=0\\(x+17)(x-5)=0\\x+17=0, x-5=0\\x=-17,x=5$

As width can never be in negative, hence width of a rectangular wall of a barn = $x$ = 5 feet

Length of a rectangular wall of a barn = $12+x=12+5=17\ feet$

Therefore, length and width of the wall of the barn is 17 feet and 5 feet respectively.

4 0

3 years ago