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pashok25 [27]
4 years ago
11

HELP ME HELP ME HELP ME

Mathematics
1 answer:
Tems11 [23]4 years ago
3 0

Answer:

nv dnvfjnvfnjnfxnbfndbnfjdnbfdnj

Step-by-step explanation:

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Please help thank you
NISA [10]

Answer:

1 - 3 terms (I'm not really sure because you need to show me the options.)
2 - 1/2, 1, 7

Step-by-step explanation:

A term is a single number, variable, or a number multiplied by a variable.
The coefficients are numerical values that are placed behind a variable to multiple them.

3 0
1 year ago
Read 2 more answers
2. Tyler has 4 times as much money as Ryan. Find the ratio of Ryan's money to<br> Tyler's money.
Phantasy [73]

Answer:

1:4

Step-by-step explanation:

4 0
3 years ago
PLZ HELP Find the value of x that makes ΔXYZ~PQR
Galina-37 [17]

Answer:

x = 8

Step-by-step explanation:

\triangle XYZ \sim\triangle PQR... (GIVEN) \\\therefore \frac{XY}{PQ} = \frac{YZ}{QR}.. (csst) \\\therefore \frac{20}{30}= \frac{x+6}{21}\\\therefore \frac{2}{3}= \frac{x+6}{21}\\\therefore \frac{2\times 21}{3}= {x+6}\\\therefore 14= {x+6}\\\therefore 14-6= {x}\\\therefore 8= {x}\\\huge \orange{\boxed {\therefore x = 8}}

6 0
4 years ago
A.Find a formula for
Vlada [557]

a. Notice that

1/(1*2) = 1/2 = 1 - 1/2

1/(2*3) = 1/6 = 1/2 - 1/3

1/(3*4) = 1/12 = 1/3 - 1/4

and so on, which suggests the n-th term of the sum can be written as

\dfrac1{n(n+1)}=\dfrac1n-\dfrac1{n+1}

Then the sum itself is telescoping:

\dfrac1{1\cdot2}+\dfrac1{2\cdot3}+\dfrac1{3\cdot4}+\cdots+\dfrac1{n(n+1)}

=\left(1-\dfrac12\right)+\left(\dfrac12-\dfrac13\right)+\left(\dfrac13-\dfrac14\right)+\cdots+\left(\dfrac1n-\dfrac1{n+1}\right)

=1-\dfrac1{n+1}

b. The proof is trivial:

\dfrac1n-\dfrac1{n+1}=\dfrac{n+1}{n(n+1)}-\dfrac n{n(n+1)}=\dfrac{n+1-n}{n(n+1)}=\dfrac n{n+1}

so the formula found in (a) is correct.

5 0
3 years ago
What is 8+4=2(x-1) please help
Korvikt [17]

Answer:

8+4=2(x-1)

8+4=2x-2

12=2x-2

14=2x

x=7

8 0
3 years ago
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