3 years ago

Help please algebra

1 answer:

5 0

It's the one in the top right corner. Since the inequality says 'greater than or equal to' the line has to be bold and the shaded area has to be above the line. Hope this helped!

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Enny White is shopping for CDs. She decides to purchase 3 movie soundtracks. The music store has 7 different movie soundtracks i

zubka84 [21]

Answer:

$35\ ways$

Step-by-step explanation:

we know that

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

$C(n,r)=\frac{n!}{r!(n-r)!}$

where

n represents the total number of items

r represents the number of items being chosen at a time.

In this problem

$n=7\\r=3$

substitute

$C(7,3)=\frac{7!}{3!(7-3)!}\\\\C(7,3)=\frac{7!}{3!(4)!}$

simplify

$C(7,3)=\frac{(7)(6)(5)4!}{3!(4)!}$

$C(7,3)=\frac{(7)(6)(5)}{3!}$

$C(7,3)=\frac{(7)(6)(5)}{(3)(2)(1)}$

$C(7,3)=35\ ways$

6 0

3 years ago

Find the sum of 3.8 + (-2.9)

MakcuM [25]

Answer:

3.8 - 2.9= .9

ANSWER : .9

6 0

2 years ago

Read 2 more answers

Need help please please use the image below to answer

spayn [35]

Answer:

Step-by-step explanation:

C and D answers look good

6 0

2 years ago

Help plz if you can fast...ish, yeah..

zavuch27 [327]

I think this is the right answer

3 0

2 years ago

Evaluate -6-9÷(-3) ?

sdas [7]

Answer- 21

-6+-9
—
-3
-6+27=21

5 0

2 years ago