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wariber [46]
3 years ago
5

2. Evan solved the equation above. He ended up with an improper fraction as his product. Help Evan convert his improper fraction

into a mixed number

Mathematics
1 answer:
Goryan [66]3 years ago
4 0
I think it would be like how many times does 5 go into 48.. and that would be 9 and 3/5
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Complete the table with values for x or u that make this equation true 3x+y=15
Juliette [100K]
You simply substitute and then solve.
Exp, at x=2, 3(2)+y=15, y=15-6=9
so the values, from left to right are;
9, 4, -3, 15, 6, 5, 1
5 0
4 years ago
Past experience indicates that the standard deviation of the time it takes for a dentist to perform dental scaling for patients
bagirrra123 [75]

Answer:

n = 110

Step-by-step explanation:

Margin of Error :

Zcritical * s/ sqrt(n)

s = standard deviation = 4

Margin of Error = ±0.75

Zcritical at 95% level of confidence = 1.96

Margin of Error = Zcritical * s/ sqrt(n)

0.75 = 1.96 * 4 / sqrt(n)

0.75 = 7.84 / sqrt(n)

Take the square of both sides

0.5625 = 61.4656 / n

0.5625 * n = 61.4656

0.5625 = 61.4656

n = 61.4656 / 0.5625

n = 109.27217

About 110 samples

6 0
3 years ago
Please help ASAP give you 20 points and brainiest
GuDViN [60]

Answer:

Total charge= -25

Step-by-step explanation:

Given :

Charges of some ions

Aluminium    +3

Phosphate     -3

Chloride         -1

Silver               +1

To find total charge on 8 phosphate,7 chloride and 2 Aluminium atoms

Aluminium    +3 × 2 =+6

Phosphate     -3 × 8 = -24

Chloride         -1 × 7 = -7

total charge=

+6-24-7 =+6 -31

= -25

6 0
4 years ago
You are buying a new internet service. The service costs \$75$75 per month. In the equation below, dd is the total number of dol
Masja [62]

the months are independent

as well as the $75

the answer is dependent

3 0
3 years ago
Read 2 more answers
Place the following fractions in order from least to greatest.<br><br> -2/3, 21/4, 11/12, -5/8
TEA [102]

Answer:

-2/3, -5/8, 11/12, 21/4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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