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3 years ago

What number is halfway between 100,000and 200,000

Mathematics

2 answers:

a_sh-v [17]3 years ago

6 0

150,000. Think of is at a number line 150,000 is 50 in between each number

Naya [18.7K]3 years ago

4 0

150,000 is halfway between. Let's just pretend for a minute that the numbers are 10 and 20. Halfway in between 10 and 20 is 15, right? Think of it as a number line. You have to find the number right in between the two.
Glad I could help!

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Match each three dimensional figure to its volume based on the given dimensions.

Gre4nikov [31]

please attach a diagram

6 0

3 years ago

What is the nth term rule of the quadratic sequence below?

Vladimir [108]

Answer:

3n² + 5n - 2

Step-by-step explanation:

Given sequence:

6, 20, 40, 66, 98, 136, ...

Calculate the first differences between the terms:

$6 \underset{+14}{\longrightarrow} 20 \underset{+20}{\longrightarrow} 40 \underset{+26}{\longrightarrow} 66 \underset{+32}{\longrightarrow} 98 \underset{+38}{\longrightarrow} 136$

As the first differences are not the same, calculate the second differences:

$14 \underset{+6}{\longrightarrow} 20 \underset{+6}{\longrightarrow} 26 \underset{+6}{\longrightarrow} 32 \underset{+6}{\longrightarrow} 38$

As the second differences are the same, the sequence is quadratic and will contain an n² term.

The coefficient of the n² term is half of the second difference.

Therefore, the n² term is: 3n²

Compare 3n² with the given sequence:

$\begin{array}{|c|c|c|c|c|}\cline{1-5} n & 1 & 2 & 3 & 4\\\cline{1-5} 3n^2 & 3 & 12 & 27 & 48 \\\cline{1-5} \sf operation & +3&+8 & +13 & +18 \\\cline{1-5} \sf sequence & 6 & 20 & 40 & 66\\\cline{1-5}\end{array}$

The second operations are different, therefore calculate the differences between the second operations:

$3 \underset{+5}{\longrightarrow} 8 \underset{+5}{\longrightarrow} 13\underset{+5}{\longrightarrow} 18$

As the differences are the same, we need to add 5n as the second operation:

$\begin{array}{|c|c|c|c|c|}\cline{1-5} n & 1 & 2 & 3 & 4\\\cline{1-5} 3n^2 +5n & 8&22 & 42 & 68\\\cline{1-5}\sf operation & -2 &-2 &-2 & -2 \\\cline{1-5} \sf sequence & 6 & 20 & 40 & 66\\\cline{1-5}\end{array}$

Finally, we can clearly see that the operation to get from 3n² + 5n to the given sequence is to subtract 2.

Therefore, the nth term of the quadratic sequence is:

3n² + 5n - 2

6 0

2 years ago

you and five friends have joined baseball .The team membership fee is $50 plus a $5 fee per game to pay the referee.

bearhunter [10]

The equation would be

5x+50=total

6 0

4 years ago

What is 0.8 of 1,046

dmitriy555 [2]

Answer:

Concept: Mathematical Computation

You want to know what 80% of 1046 is
Hence you do 1046 × 0.80
Your answer is 836.8
Rate positively and give brainlist

4 0

3 years ago

Read 2 more answers

1 point

V125BC [204]

Answer:

10. answer= 3

Q11 answer = -3

Step-by-step explanation:

Q10.

-3x+9-x+9=3x-3

or, -4x+18=3x-3

or, 3x+4x=18+3

or, 7x=21

or, x=3 answer

Q11.

1.8-3.7x= -4.2x+0.3

or, 4.2x-3.7x=0.3-1.8

or, 0.5x= -1.5

or, x=-3 answer

5 0

3 years ago