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igor_vitrenko [27]
2 years ago
8

Estimate the difference between the decimals 9.25 and 6.5 by rounding to the nearest whole number before subtracting.

Mathematics
2 answers:
Nat2105 [25]2 years ago
8 0

Answer:

3

Step-by-step explanation:

Iteru [2.4K]2 years ago
6 0
The answer to this is 3
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If MB = 6x-9, and AM = 27, find x.
telo118 [61]

Answer:

x=11

Step-by-step explanation:

M is the midpoint this means that we can set AM and BM equal to eachother, once this is done we can solve for x

9x-6=6x+27 (set equal to eachother)

9x=6x+33 (add 6)

3x=33 (subtract 6x)

x=11 (divide by 3)

7 0
3 years ago
How do you find the first five terms of a sequence defined recursively
Blizzard [7]
Interesting question. Good to know for computer science.
Suppose you have a function like 
an = 3x - 2 Try the first couple
a1 = 3(1) - 2
a1 = 3 - 2
a1 = 1

a2 = 3(2) - 2
a2 = 6 - 2
a2 = 4 So each term differs by 3
a2 - a1 = 3

an = a_(n - 1) + 3
a3 = a2 + 3
a3 = 4 + 3 
a3 = 7

a4 = a3 + 3
a4 = 7 + 3
a4 = 10

a5 = a4+ 3
a5 = 10 + 3
a5 = 13

I'll do one more and then check it.
a6 = a5 + 3
a6 = 13 + 3
a6 = 16

a6 = 3x -2
a6 = 3*6 - 2
a6 = 18 - 2
a6 = 16 which checks.

So the general formula is
an = a_(n - 1) * k if you were multiplying or
an = a_(n - 1) + k if you were adding. The key thing is that you are working with the previous term.
6 0
2 years ago
Triangle XY Z is similar to triangle PQR<br> Solve for k.<br> k=<br> 19.5<br> 10.5<br> R<br> 5.5
Nataliya [291]

We can write a proportion between short and long legs:

10.5\div k = 16.5\div 5.5

Solving for k yields

k = \dfrac{10.5\cdot 5.5}{16.5}=3.5

8 0
3 years ago
Help ill give brainliest
lisabon 2012 [21]
<h3>Answer: Choice B</h3>

==========================================

Explanation:

Here's a slightly more detailed breakdown of what's going on

3x + 2y = 15 ... start with the first equation

3x + 2( y ) = 15 .... the parenthesis don't change the expression

3x + 2( 3x+5) = 15 ... replace y with 3x+5; since y = 3x+5

From here, you solve for x like you would any other single variable equation. Once you know x, you can determine y through y = 3x+5.

3 0
2 years ago
It says graph ×&lt; 1 btw​
Ymorist [56]
Start at 1 and drag it towards the end of the negative side :)
6 0
2 years ago
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