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3 years ago

Which expression shows the result of applying the distributive property to 3(15x−17) ?

Mathematics

2 answers:

Olin [163]3 years ago

8 0

Answer:

$\frac{3}{5}x-\frac{3}{7}$

Step-by-step explanation:

we have

$3(\frac{1}{5}x-\frac{1}{7})$

Applying the distributive property

$3(\frac{1}{5}x-\frac{1}{7})=3(\frac{1}{5}x)-3(\frac{1}{7})\\ \\=\frac{3}{5}x-\frac{3}{7}$

Mariulka [41]3 years ago

6 1

You just multiply 3 by both 15x and -17. None of these choices are correct. The only correct application would be A.

IDontLikeYou101

2 years ago

ITS NOT A ITS B DUMBSS

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Convert the angle 0 = 70 to radians.<br> Express your answer exactly<br> racians

sergeinik [125]

Answer:

$\frac{7\pi }{18}$

Step-by-step explanation:

$70*\frac{\pi }{180}$

$\frac{70\pi }{180}$

Simplify to the answer.

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4 years ago

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sergij07 [2.7K]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

What type of counting problem is this?

shusha [124]

Answer:

option A

Step-by-step explanation:

Permutation is An arrangement of objects in an <em>ORDER</em>

but combination is the opposite.

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3 years ago

a rectangle field has an anrea of 40cm^2. if one side of the field is 3m longer than the other side, find the new area of the fi

oksian1 [2.3K]

The area of the field where the length of each side is increased by 10% is 48.4 $cm^{2}$ .

Step-by-step explanation:

The given is,

A rectangle field has an area of 40 $cm^{2}$

If one side of the field is 3 cm longer than the other side

The length of new area in each side is increased by 10%

Step:1

Let,

$b$ - One side of rectangle

$l$ - Other side of rectangle

From given.

$l$ - $b$ +3

Formula for area of rectangle,

$Area, a = lb$

40 = ( b+3) × b

40 = $b^{2}$ + 3b

Solving the above the equation,

b = 5 cm

l = 8 cm

Step:2

If the area of rectangle increased by 10%,

l = 8 + ( 8 × $\frac{10}{100}$ )

= 8.8

b = 5 + ( 5 × $\frac{10}{100}$ )

= 5.5

Area of rectangle is,

a = ( 8.8 × 5.5 )

= 48.4 square centimeters

Result:

The area of the field where the length of each side is increased by 10% is 48.4 $cm^{2}$ , if a rectangle field has an area of 40 square centimeters and one side of the field is 3 cm longer than the other side.

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3 years ago