3 years ago

keith had 81/2 cups of flour. he used 52/3 cups to make bread. how many cups of flour does keith have left?

1 answer:

5 0

81/2 - 52/3 change the denomenator to 6
243/6 - 104/6 =139/6
If they ask the answer in mixed number its 23 1/6 so 23 as the whole number and 1 over 6

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Tina says that 3:8 is equivalent to 36:64, what did Tina do wrong

masha68 [24]

She didn't multiple the numbers by the same nuber

6 0

2 years ago

The student body of a large university consists of 60% female students. A random sample of 8 students is selected. Refer to Exhi

jasenka [17]

Answer:

0.0499

Step-by-step explanation:

This is a binomial probability function expressed as:

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

Given that n =8, and p(male)=1-0.6=0.4, the probability of at least 6 being male is calculated as:

$P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X\geq 6)=P(X=6)+P(X=7)+P(X=8)\\\\={8\choose 6}0.4^6(0.6)^{2}+{8\choose 7}0.4^7(0.6)^{1}+{8\choose 8}0.4^8(0.6)^{0}\\\\=0.0413+0.0079+0.0007\\\\=0.0499$

Hence, the probability of at least 6 males is 0.0499

8 0

2 years ago

Help find the value of x please

lyudmila [28]

Answer:

138

Step-by-step explanation:

Because 180-42

6 0

2 years ago

-x+4=2x-8<br><br> We think it’s x=11.5

kvv77 [185]

Answer:

x=4

Step-by-step explanation:

-x+4=2x-8

4=2x-(-x)-8

4=2x+x-8

4=3x-8

3x=4+8

3x=12

x=12/3

x=4

6 0

3 years ago

PLEASE HELP ASAP I WILL BRAINLIEST

Nataly_w [17]

Answer:

32 minutes and 30 seconds.

Step-by-step explanation:

3 hours = 180 minutes, plus 15 added = 195 so 195 ÷ 6 = 32.5 or 32 mins and 30 seconds

8 0

2 years ago

Read 2 more answers