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abruzzese [7]
3 years ago
11

What is the value of 6.3 X 105 1.2 x 103

Mathematics
2 answers:
shusha [124]3 years ago
6 0

Answer:

1. 661.5

2. 123.6

these are the correct answers to this question

UkoKoshka [18]3 years ago
5 0

Answer:

6.3 x 105 = 661.5

1.2 x 103 = 123.6

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A bag contains white marbles and yellow marbles, 46 in total. The number of white marbles is 1 more than 4 times the number of y
Mrrafil [7]

Answer:

There are 37 white marbles.

Step-by-step explanation:

Let the white marbles be represented as w.

Let the yellow marbles be represented as y.

The bag contains both white marbles and yellow marbles which add up to 46 marbles. This means that:

y + w = 46 ___________(1)

The number of white marbles is 1 more than 4 times the number of yellow marbles. This means that:

w = 1 + 4y ___________(2)

First, we find y by putting (2) in (1), thereafter, we find w:

=> y + 1 + 4y = 46

y + 4y = 46 - 1

5y = 45

y = 45 / 5 = 9 marbles

=> w = 1 + 4(9)

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7 0
4 years ago
Lauren bought 5 pizzas for $17 each. She paid with a $100 bill.
Lelechka [254]
The first blank is 17
2nd blank is 85
3rd blank is 15

wat happened is
C=paid-costofpizzas
paid=100
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costofpizzas=5 times 17

so
C=100-5 times 17
C=100-85
C=15
change=$15
6 0
3 years ago
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3 years ago
We want to know the probability that a student selected randomly from her class would have an “A” (90 or above) in her class. Fi
goldfiish [28.3K]

Answer:

38.46%

Step-by-step explanation:

There are 91 students and 35 of them received a score of 90 or above.

So, there are 35/91 students with an A grade.

The probability to pick a random student that would be the same proportion that those who got the right score, so 35 / 91 = 0.3846 or 38.46%

38.46% of chances to pick someone who got an A (90 score or above), and, the opposite, 61.54% of chances to pick someone who didn't get an A.  That's a strong class!

8 0
3 years ago
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Kipish [7]

Answer:

5\frac{7}{8} is the answer.

Step-by-step explanation:

I added all the fractions up.

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3 years ago
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