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likoan [24]
3 years ago
5

105x^6y^5+70x^7y^11/35x^7y^4

Mathematics
1 answer:
o-na [289]3 years ago
6 0

Answer:

3\frac{y}{x} + 2y^{7}

Step-by-step explanation:

We have to simplify the expression as given below:

\frac{105x^{6}y^{5} + 70x^{7}y^{11}}{35x^{7}y^{4}  }

As we know that \frac{a + b}{c} = \frac{a}{c}  + \frac{b}{c}

= \frac{105x^{6}y^{5}}{35x^{7}y^{4}} + \frac{70x^{7}y^{11}}{35x^{7}y^{4}}

As we know the property of exponent \frac{x^{a} }{x^{b} } = x^{a - b}

= 3x^{6 - 7}y^{5 - 4}  + 2x^{7 - 7} y^{11 - 4}

= 3x^{-1}y^{1} + 2x^{0} y^{7}

As we know the properties of exponents a^{-b} = \frac{1}{a^{b} } and a^{0} = 1

= 3\frac{y}{x} + 2y^{7} (Answer)

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The difference between of two numbers is 9. If the large number is one more than twice the smaller number, find the larger numbe
sleet_krkn [62]

The larger number is 17

<em><u>Solution:</u></em>

Let "x" be the larger number

Let "y" be the smaller number

<em><u>The difference between of two numbers is 9</u></em>

Therefore,

larger number - smaller number = 9

x - y = 9 -------- eqn 1

<em><u>The large number is one more than twice the smaller number</u></em>

Larger number = 1 + 2(smaller number)

x = 1 + 2y ------ eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

<em><u>Substitute eqn 2 in eqn 1</u></em>

1 + 2y - y = 9

1 + y = 9

y = 9 - 1

y = 8

<em><u>Substitute y = 8 in eqn 1</u></em>

x - 8 = 9

x = 8 + 9

x = 17

Thus the larger number is 17

6 0
3 years ago
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A race car game takes 6 points from a player each time the player hits a cone. What integer represents the change in total point
Helga [31]

Given:

A race car game takes 6 points from a player each time the player hits a cone.

To find:

The integer which represents the change in total points if the player hits 10 cones.

Solution:

According to the given information,

1 hit = -6 points

Here, negative sign represents the reduction in points after hitting a cone.

If the player hits 10 cones.

(1 × 10) hit = (-6 × 10) points

10 hit = -60 points

So, the change in total points if the player hits 10 cones is -60.

Therefore, the required integer is -60.

3 0
3 years ago
Emily is preparing cookies for her friends she is at the market where she sees a 14 ounce bag of chocolate chips for 3.50 the ma
g100num [7]

Answer:

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Step-by-step explanation:

Given

Bag 1:

14\ ounce = 3.50

Bag 2:

24\ ounce = 5.28

Required

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To get which buy is better, we first get the unit price of each bag.

Unit\ Price = Amount/Size

For bag 1:

Unit\ Price = 3.50/14

Unit\ Price = 0.25

For bag 2:

Unit\ Price = 5.28/24

Unit\ Price = 0.22

The best buy is the one with smaller unit price

Hence, bag 2 is better to buy

4 0
3 years ago
1.) Simplify: y = -8 + 6(x-1)
swat32
8+6=14. (X-1=1x)

14•1x

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