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3 years ago

Write an expression for the sequence of operations described below.

Mathematics

1 answer:

I am Lyosha [343]3 years ago

5 0

Answer:

Step-by-step explanation:

first, write down the equation of the result of "raise to the 9th and 8th power", then divide that answer by the variable "y"

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Factor 9x 6 – 16y 6 completely.

il63 [147K]

Please use the symbol " ^ " to denote exponentiation: 9x^6 = (___)^2.

Note that 9x^6 = 3^2*(x^3)^2. Thus,

9x^6 = (___)^2 becomes (3x^3)^2.

Then 9x^6 – 16y^6 = (3x^3)^2 - (4y^3)^2 = ((3x^3) - (4y^3))[(3x^3) +(4y^3)]

5 0

3 years ago

Need some help with these problems!

LekaFEV [45]

Answer:

h=12, w=24, t=8

Step-by-step explanation:

System of Linear Equations

We have 3 unknown variables and 3 conditions between them. They form a set of 3 equations with 3 variables.

We have the following data, being

w = price of a sweatshirt

t = price of a T-shirt

h = price of a pair of shorts

19.

The first condition states the price of a sweatshirt is twice the price of a pair of shorts. We can write it as

$\displaystyle w=2h$

The second condition states the price of a T-shirt is $4 less than the price of a pair of shorts. We can write it as

$\displaystyle t=h-4$

The final condition states Brad purchased 3 sweatshirts, 2 pairs of shorts, and 5 T-shirts for $136, thus

$\displaystyle 3w+2h+5t=136$

This is the system of equations we need to solve for w,t,h

20.

To solve the system, we replace w in terms of h and t in terms of h. Those relations have been already written, so

$\displaystyle 3(2h)+2h+5(h-4)=136$

Operating

$\displaystyle 6h+2h+5h-20=136$

$\displaystyle 13h=156$

Solving for h

$\displaystyle h=12$

The other two variables are

$\displaystyle w=2h=24$

$\displaystyle t=12-4=8$

4 0

3 years ago

In a month with 31 days, Google featured Doodles on 18 days.What percent of the month was this?Round to the nearest whole percen

Natali5045456 [20]

Answer:

58.06%

Step-by-step explanation

TRUST ME

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3 years ago

If 4 coins are tossed simultaneously what is the probability of getting exactly 3 heads

Alexus [3.1K]

No of outcomes =16
favourable outcome=4
probability of getting exactly 3 heads=0.25

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3 years ago

Point A is located at (1,5), and point M is located at (-1, 6). If point M is the midpoint of AB, find the

Step2247 [10]

Answer:

-3, 7

Step-by-step explanation:

because you take how much from the first coordinate to the second and add it too the second

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3 years ago