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emmainna [20.7K]
3 years ago
11

Help me real quickhahahahaha

Mathematics
2 answers:
Viefleur [7K]3 years ago
6 0

Answer:

19

Step-by-step explanation:

2d= 2 x 8= 16

16+3= 19

Art [367]3 years ago
4 0

Answer:

Step-by-step explanation:

2d + 3         (d=8)

(2*8) + 3 =

16 + 3 =

19

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Kyleigh is making a bowl of punch. The recipe calls for 2 1/4 cups of sherbet. She uses 1 2/3 of that amount. How much sherbet d
Delvig [45]

Answer:

I don't know if this is absolutely correct but i got 1.35 by dividing 1 2/3 by 2 1/4

Step-by-step explanation:

4 0
3 years ago
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Calculate the difference between double 50 and half of 80
Alborosie

Answer:

60

Step-by-step explanation:

double 50 is 100 half of 80 is 40 answer is 60

hope this helps

6 0
3 years ago
It has been estimated that only about 30% of California residents have adequate earthquake supplies. Suppose you randomly survey
mote1985 [20]

Answer:

P(X\geq 8)=0.0043\\\\

It's more likely that  all of the residents surveyed will have adequate earthquake supplies since it has a probability of 98.02% which is very close to 100%.

Step-by-step explanation:

-This is a binomial probability problem with the function:

P(X=x)={n\choose x}p^x(1-p)^{n-x}

-Given p=0.3, n=11, the is calculated as:

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X\geq 8)=P(X=8)+P(X=9)+P(X=10)+P(X=11)\\\\={11\choose 8}0.3^8(0.7)^3+{11\choose 9}0.3^9(0.7)^2+{11\choose 10}0.3^{10}(0.7)^1+{11\choose 11}0.3^{11}(0.7)^0\\\\=0.0037+0.0005+0.00005+0.000002\\\\=0.0043

Hence, the probability that at least 8 have adequate supplies 0.0043

#The probability that non has adequate supplies is calculated as;

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X= 0)={11\choose 0}0.3^{0}(0.7)^{11}\\\\=0.0198

#The probability that all have adequate supplies is calculated as:

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X= All)=1-{11\choose 0}0.3^{0}(0.7)^{11}\\\\=1-0.0198\\\\=0.9802

Hence, it's more likely that  all of the residents surveyed will have adequate earthquake supplies since P(All)>P(None)\ \ and that this probability is 0.9802 or 98.02% a figure close to 1

7 0
3 years ago
How many license plates can be made using 3 digits and 3 letters of repeated digits and letters are allowed? how many can be mad
BARSIC [14]

26 total letters, 10 total digits

with repeated letters/numbers:

26 * 26 *26 * 10* 10*10 = 17,576,000 ways


without repeats:

26 *25*24 *10 *9*8 = 11,232,000 ways

8 0
3 years ago
Solve 6^x=1,296<br><br><br> X=__________a0
Troyanec [42]

Answer:

x=4

Step-by-step explanation:

6^x = 1296

Take the log base 6 on each side

log6(6^x) = log6(1296)

Rewrite 1296 as 6^4

x = log 6(6^4)

We know that log( a^b) = b log (a)

x = 4 log6(6)

We know that loga(a) =1

x = 4 *a

x =4

5 0
3 years ago
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