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3 years ago

Evaluate the expression using x=-1 and y=3 6x^4y^3

Mathematics

2 answers:

frozen [14]3 years ago

8 0

Answer: 162

Look at attachment

anzhelika [568]3 years ago

3 0

Step-by-step explanation:

$6 {x}^{4} {y}^{3} \\ \\ = 6 \times ( - 1)^{4} \times (3)^{3} \\ \\ = 6 \times 1\times 27 \\ \\ = 162$

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3 years ago

The ratio of the measure of the sides of the triangle is 1/6: 1/3: 1/4 if the perimeter of the triangle is 13.5 inches find the

marissa [1.9K]

Answer:

The shortest side of the triangle is 3 inches.

Step-by-step explanation:

Given:

The ratio of the measure of the sides of the triangle is 1/6: 1/3: 1/4.

The perimeter = 13.5 inches.

Now, to find the shortest side.

Let the one side be $\frac{1}{6}x$

And the second side be $\frac{1}{3}x$ .

And the third side be $\frac{1}{4}x$ .

According to question:

$\frac{1}{6}x+\frac{1}{3}x+\frac{1}{4}x=13.5$

⇒ $\frac{x}{6}+\frac{x}{3}+\frac{x}{4}=13.5$

Adding all the variables by taking common denominator we get:

⇒ $\frac{9x}{12}=13.5$

Multiplying both sides by 12 we get:

⇒ $9x=162$

Dividing both sides by 9 we get:

⇒ $x=18$

Thus, the sides of the triangle are:

1/6×18=3 inches.

1/3×18=6 inches.

1/4×18=9/2=4.5 inches.

Therefore, the shortest side of the triangle is 3 inches.

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Answer:

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Step-by-step explanation:

If we have a candle that is 11 2/5 inches tall

It burns 1 1/8 inches per hour. We need to divide to see how long the candle will last

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I will convert the mixed numbers to improper fractions

11 2/5 = (5*11+2)/5 = 57/5

1 1/8 = (8*1+1)/8 = 9/8

57/5 ÷ 9/8

Copy dot flip

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Now we change it back to a mixed number

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3 years ago

If 3x – 2 = 13, what is the value of x?

inessss [21]

Answer:

x = 5

Step-by-step explanation:

$3x - 2 = 13 \\ 3x = 13 + 2 \\ 3x = 15 \\ x = \frac{15}{3} \\ \huge \red{ \boxed{ x = 5 }}$

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3 years ago

Read 2 more answers

Evaluate the expression using x=-1 and y=3 6x^4y^3​

Evaluate the expression using x=-1 and y=3 6x^4y^3