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3 years ago

Use the distributive property to remove the parentheses. -6(11 - 2)

Mathematics

1 answer:

salantis [7]3 years ago

7 0

Answer:

-66+12 or -54

Step-by-step explanation:

To remove the parenthesis multiply the number outside of the parenthesis (in this case -6) to the numbers inside of the parenthesis (11, and -2).

$-6*11=-66$

A negative multiplied by a positive is a negative.

$-6*-2=12$

A negative multiplied by a negative is a positive.

$-66+12=-54$

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Variable y varies directly with variable x, and y = 16 when x = 12. Enter the constant of variation in lowest terms. y = x

andrew11 [14]

k = 1.33 or 1 1/3

Formula of Direct variation. Where y is equal to the product of the constant of variation times x.

y = kx
16 = k * 12
k = 16/12
k = 1 4/12 = 1 1/3

Constant of variation is 1 1/3 or 1.33.

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3 years ago

The equation V = 16300 (0.94)^t represents the value (in dollars) of a car t years after its purchase. Use this equation to comp

Dafna1 [17]

Solution:

Given:

$V=16300(0.94)^t$

The value of a car after t - years will depreciate.

Hence, the equation given represents the value after depreciation over t-years.

To get the rate, we compare the equation with the depreciation formula.

$\begin{gathered} A=P(1-r)^t \\ \text{where;} \\ P\text{ is the original value} \\ r\text{ is the rate} \\ t\text{ is the time } \end{gathered}$

Hence,

$\begin{gathered} V=16300(0.94)^t \\ A=P(1-r)^t \\ \\ \text{Comparing both equations,} \\ P=16300 \\ 1-r=0.94 \\ 1-0.94=r \\ r=0.06 \\ To\text{ percentage,} \\ r=0.06\times100=6\text{ \%} \\ \\ \text{Hence, } \\ P\text{ is the purchase price} \\ r\text{ is the rate} \end{gathered}$

Therefore, the value of this car is decreasing at a rate of 6%. The purchase price of the car was $16,300.

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1 year ago

What is the estimate of 212,514+396,705

Evgesh-ka [11]

Change 212,514 into 215,000.

Change 396,705 into 400,000.

--------

Estimate:

215,000 + 400,000 = 615,000

Therefore:

212,514 + 396,705 ≈ 615,000

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3 years ago

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Helen [10]

The Middle school won 17 games so the senior school won 51 games

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3 years ago

Is 4/6 more less or equal to half

olasank [31]

Answer:

Step-by-step explanation:

4/6 simplified is 2/3

3/6 would be half

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3 years ago

Use the distributive property to remove the parentheses. -6(11 - 2)​

Use the distributive property to remove the parentheses. -6(11 - 2)