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3 years ago

Ignore my writing Solve the inequality

Mathematics

1 answer:

Reil [10]3 years ago

6 0

Answer:

x=1

Step-by-step explanation:

-5 - (15x-1) = 2(7x-16) -x

Distribute the negative sign

-5-15x+1 = 2(7x-16)-x

Distribute the 2

-5-15x+1 = 14x -32-x

Combine like terms

-4-15x = 13x-32

Add 15x to each side

-4-15x+15x = 13x+15x-32

-4 = 28x-32

Add 32 to each side

-4+32 = 28x-32+32

28 = 28x

Divide each side by 28

28/28 = 28x/28

1 =x

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3x^2 or 3x squared

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4x^2-x^2=3x^2

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The dog must take 125 steps if Evan takes 50.

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1 year ago

Which of the following statements are true of the parabola shown?

Vesna [10]

<u>True statements are:</u>

It has a directrix of x = - 4.
It has a focus at (4, 0).

<u>Step-by-step explanation:</u>

We have the following statements to check on whether it's right or wrong:

<u>1. It has a directrix of x = -4:</u>

According to figure , parabola directrix is at -4 i.e. at x = -4 , Therefore this statement is true!

<u>2. It opens to the left:</u>

In figure, Parabola opens to right not left , Therefore this statement is wrong!

<u>3. It has a vertex at the origin:</u>

Vertex of Parabola is at what points not shown in figure. Therefore this statement cannot be confirmed as true.

<u>4. The axis of symmetry is the y-axis:</u>

Axis of symmetry for above parabola is x-axis as it cuts parabola into two equal halves , y-axis doesn't do this ! Therefore this statement is wrong!

<u>5. It has a focus at (4, 0):</u>

Parabola focus is at $F(4,0)$ on x-axis . And so, Therefore this statement is true!

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3 years ago

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Write the first four terms of a geometric sequence. Using the values you have written, calculate the common ratio and write the

sukhopar [10]

Answer:

FIRST FOUR (4) TERM = 6, 18, 54,162.

COMMON RATIO = 3

Step-by-step explanation:

In geometric expression.

Tn = the nth term

a = first term

r = common ratio.

Let's take the First term of the G.P as 6 and the third term as 54. Let's find the common ratio.

3rd term will be written as:

T3 = ar² = 54

Given the first term as 6.

T3 = 6r² = 54

6r² = 54

r² = 54 / 6

r² = 9

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r = 3

Therefore common ratio = 3.

Let's use this information to get the fourth term.

T4 = ar³

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T4 = 6 * 3³

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6 0

3 years ago