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3 years ago

The measure of <rate can be represented by the expression (6x+12).

Mathematics

2 answers:

zhenek [66]3 years ago

6 0

I wish I could help you but Im doing this so i can ask sum

ycow [4]3 years ago

4 0

Answer:

I'm struggling with this as well

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Help me with number 3 please

Harlamova29_29 [7]

The answer would be 22%

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2 years ago

What is the value of y in the sequence below? 2,y,18, -54,162,

snow_lady [41]

First, let's check if the sequence is geometric or arithmetric.

If arithmetric, the sequence will have common difference.

Arithmetric

$\displaystyle \large{a_{n + 1} - a_n = d}$

d stands for a common difference. Common Difference means that sequences must have same difference after subtracting.

Geometric

$\displaystyle \large{ \frac{a_{n + 1}}{a_n} = r}$

r stands for a common ratio.

To find the value of y, you can check the sequence. If we try subtracting the sequences, the differences are different. That means the sequences are not arithmetric. That only leaves the geometric sequence.

Let's check by dividing sequences.

We have:

2,y,18,-54,162,...

Let's check by divide -54 by 18 and 162 by -54. We need to divide more than one so we can prove that the sequence is geometric.

$\displaystyle \large{ \frac{ - 54}{18} = - 3 } \\ \displaystyle \large{ \frac{ 162}{ - 54} = - 3}$

Hence, the sequence is geometric.

Because the common ratio is -3. Let these be the following:

$\displaystyle \large{ a_{n + 1} = y } \\ \displaystyle \large{ a_n = 2 } \\ \displaystyle \large{ r = - 3 }$

From the:

$\displaystyle \large{ \frac{a_{n + 1}}{a_n} = r}$

Substitute the values in.

$\displaystyle \large{ \frac{y}{2} = - 3}$

Multiply the whole equation by 2 to isolate y.

$\displaystyle \large{ \frac{y}{2} \times 2 = - 3 \times 2} \\ \displaystyle \large{ y = - 6}$

Therefore, the value of y is -6.

7 0

2 years ago

MEANT FOR ENGLISH

prohojiy [21]

Answer:

Be careful what you wish for.

Step-by-step explanation:

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3 years ago

A car starts at rest and accelerates for 8 s at a rate of 3 m/s ^ 2 What is the final velocity of the car?

Bumek [7]

8m/2.6. Wisehehehbehehehdhudur

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3 years ago

MATH please heeeeeeelp

Sunny_sXe [5.5K]

Step-by-step explanation:

Its additive inverse!

7 0

2 years ago

Read 2 more answers

The measure of <rate can be represented by the expression (6x+12).​

The measure of <rate can be represented by the expression (6x+12).