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4 years ago

Four times a number plus 8is 28 what is the number

Mathematics

1 answer:

Keith_Richards [23]4 years ago

8 0

Let the Number your finding be x

28 = 8+4(x)

(28-8) / 4 = x

x = 5

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6w^2 + 11w +8w^2 + 15w -2 and 14w^2 +26w-2 are the equivalent

Agata [3.3K]

Answer:

6w^2 + 11w +8w^2 + 15w -2

Get same power near,

6w^2 + 8w^2 + 11w + 15w -2

w^2 (6 + 8) + w(11 + 15) -2

14w^2 +26w-2

Yes equivalent

Step-by-step explanation:

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3 years ago

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Elina [12.6K]

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3 years ago

A movie theater is showing 1 musical and 7 other movies (8 movies in total). Each type of movie is equally likely to be chosen.

lukranit [14]

Answer:

125

Step-by-step explanation:

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3 years ago

Solve the formula for the specified variable. W=1/3TS solve for t

Elenna [48]

ANSWER

$T = \frac{3W}{S}$

EXPLANATION

The given formula is

$W = \frac{1}{3} TS$

We want to solve for T in the given formula.

We multiply through by 3 first to get,

$3 \times W =3 \times \frac{1}{3} TS$

We simplify to get,

$3W = TS$

We now divide both sides by S to get,

$\frac{3W}{S} = \frac{ TS}{S}$

We simplify to obtain:

$\frac{3W}{S} = T$

$T = \frac{3W}{S}$

8 0

4 years ago

In New York, state sales tax rates vary by county. In Allegany County, the sales tax rate is 8 1 2 %. a. A book costs $12.99, an

ArbitrLikvidat [17]

Answer:

$ 2.30

Step-by-step explanation:

Given that the sales tax rate $= 8\frac{1}{2}\%=8.5\%$

The cost of the book is $ 12.99.

So, the tax on the book= 8.5% of 12.99

$= \frac {8.5}{100}\times 12.99$

=1.10

So, the sales tax on the book is $ 1.10.

The cost of the video game is $ 39.99.

So, the tax on the book= 8.5% of 39.99

$= \frac {8.5}{100}\times 39.99$

=3.30

So, the sales tax on the book is $ 3.40.

The difference of taxes on both the items = $ 3.40-$ 1.10=$ 2.30

So, the tax on the video game is $ 2.30 more than then tax on the book.

3 0

3 years ago