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3 years ago

PLEASE HELP ASAP!!!

Mathematics

2 answers:

vampirchik [111]3 years ago

4 0

Answer:

that's really hard.. i'm so sorry but i don't know the answer. i tried!! and btw is that korean?

Step-by-step explanation:

Studentka2010 [4]3 years ago

3 0

Answer:

thats pretty hard i couldn't figure it would either im so sorry!

Step-by-step explanation:

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1.an=n + 5<br>2.an-4n-1<br>3.an-2n2<br>4.an-5-2n<br>5.an-3-5n

Elis [28]

This is what I’m trying to figure out

3 0

3 years ago

A market sells oranges for $2.45. How much will 8 oranges cost?

valentinak56 [21]

Answer:

$19.60

Step-by-step explanation:

Multiply $2.45 by 8, getting $19.60.

3 0

3 years ago

Read 2 more answers

If x-9 is a factor of x2 - 5x - 36, what is the other factor ?

atroni [7]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{(x + 4)}}}}}$

Step-by-step explanation:

$\sf{ {x}^{2} - 5x - 36}$

Find the two numbers that multiplies to 36 and subtracts to 5

$\dashrightarrow{ \sf{ {x}^{2} - (9 - 4)x - 36}}$

Distribute ( - ) sign through the parentheses

$\dashrightarrow{ \sf{ {x}^{2} - 9x + 4x - 36}}$

Take x as common

$\dashrightarrow{ \sf{x(x - 9) + 4x - 36}}$

Take 4 as common

$\dashrightarrow{ \sf{x(x - 9) + 4(x - 9)}}$

$\dashrightarrow{ \sf{(x - 9)(x + 4)}}$

( x + 4 ) is the other factor of x² - 5x - 36

Hope I helped!

Best regards! :D

7 0

4 years ago

Traci has four blue pens and three red pens. She has twice as many black pens as blue pens. What fraction represents the number

Kitty [74]

4 blue, 3 red
twice as many black pens as blue pens.....black pens = 2(4) = 8

so there are : (4 + 3 + 8) = 15 total pens

fraction of blue pens to total pens = 4/15

3 0

3 years ago

Read 2 more answers

Can some one please answer !! i’ll give you a brainliest!!!!!!!

melisa1 [442]

Answer:

1) 7/12 is rational

2) √28 is irrational

3) √13/25 is irrational

4) -15 is irrational

5) 5π is irrational

4 0

3 years ago