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Pie
4 years ago
8

14. Determine if the statement is true or false.

Mathematics
1 answer:
Effectus [21]4 years ago
7 0
It depends if x is positive or negative and the same as in y
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BEST ANSWER GETS BRAINLIEST AND 3 THANKS I NEED HELP WITH THIS PLZ THANK YOU
Alenkinab [10]
Ok so remember
order of simplification
PEMDAS
parenthaseese
exponents
multiplicaton or division whichever comes first
addition or subtraction whichever comes first

ok so remmeber work from the left to right parenthasees first and work from inside to outer parenthasees

so first one

innermost parenthasees first so
first step is 2-4
subtract 4 from 2


second one
if xy=0 then assume x and y=0 so
(a+2)(b-9)=0
a+2=0
a=-2

b-9=0
b=9

so answe ris a=-2
b=9


third questions

innermost parenthaees first
subtract 4 from 2






ok
1. subtrac 4 from 2
2. a=-2, b=9
3. subtract 4 from 2
7 0
3 years ago
Helpp me please im lost
Inessa05 [86]
A. The internet told me again
3 0
3 years ago
Math assignment cant get it
kupik [55]

Answer:

y = -1/2x + (-1)

Step-by-step explanation:

8 0
3 years ago
A card game is played in which the player wins if a face card is drawn​ (king, queen,​ jack) from a deck of 52 cards. If the pla
Over [174]

Answer:

The expected number of wins for the​ player is 2.31

Step-by-step explanation:

No. of face cards = 12

total cards = 52

Probability of getting face card = \frac{\text{No. of face cards}}{\text{Total No. of cards}}

Probability of getting face card = \frac{12}{52}

The player plays 10​ times

Formula : E=np

n = no. of trials = 10

p = probability of success= \frac{12}{52}

E=expected number of wins

E=10(\frac{12}{52})

E=2.307

So,  the expected number of wins for the​ player is 2.31

5 0
3 years ago
2x+3y=12 (With work)
ankoles [38]

Answer: You can't solve this without knowing either x or y

Step-by-step explanation:

3 0
3 years ago
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