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Naddika [18.5K]
3 years ago
9

A college writing seminar increased its size by 50% from the first to the second day. If the total number of students in the sem

inar on the second day was 15 how many students were in the class on the first day
Mathematics
2 answers:
slava [35]3 years ago
7 0
10 students on the first day
Cerrena [4.2K]3 years ago
7 0
20000 is the correct answer

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An experiment consists of spinning a spinner. The table shows the results. Find the experimental probability that the spinner do
weeeeeb [17]
14/34 is simplified to 7/17
answer is 7/17
8 0
4 years ago
Bonjour , je n'arrive pas a faire ces calcules quelqu'un pourrais m'aidez Voici les calculs : 1 sur 4 - 3 sur 4 et calculer un p
Gre4nikov [31]
Bonjour! 
90% de 2300=2070
112% de 80= 100% de 80 + 12% de 80 = 89.6km/h
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3 0
3 years ago
Standardized Test Practice
Ulleksa [173]

Answer:

8x+6y=48

x+y=7

multiply bottom equation by 6:

8x+6y=48

6x+6y=42

subtract equations:

2x=6

divide 6 by 2:

x=3

therefore:

y=4

6 0
4 years ago
Read 2 more answers
There are 32 volunteers to donate blood. Unfortunately, n of the volunteers did not meet the heath requirements, so they couldn'
Daniel [21]

Answer:

The volunteers donated 470(32-n) millimeters of blood.

Step-by-step explanation:

Given:

Total Number of Volunteers = 32

number of Volunteers failed to donate = n

Amount of blood donated by each volunteer = 470 mm

We need to find the Total amount of blood donated by the Volunteers.

Solution:

First we will find the number of volunteers donated blood.

the number of volunteers donated blood is equal to Total Number of Volunteers minus number of Volunteers failed to donate.

framing in equation form we get;

the number of volunteers donated blood = (32-n)

Now we will find Total amount of blood donated by the Volunteers.

Total amount of blood donated by the Volunteers is equal to Amount of blood donated by each volunteer multiplied by the number of volunteers donated blood.

framing in equation form we get;

Total amount of blood donated by the Volunteers = 470(32-n)

Hence The volunteers donated 470(32-n) millimeters of blood.

5 0
3 years ago
PLEASE HELP ME WITH THIS QUESTION ITS URGENT!!!
Alex Ar [27]

Start by distributing the exponent to each of the terms in (2u)^{3}.  This will become 2^{3} u^{3}, and 2^{3} =8.  Now, the expression is:

\frac{2u^{3} v^{2} }{8u^{3} * u^{2} }.


We can now simplify the bottom to read: 8u^{5} because when multiplying variables raised to an exponent, we add the exponents.  The expression now looks like:

\frac{2u^{3} v^{2} }{8u^{5} }


The 2/8 simplifies to 1/4:

\frac{u^{3} v^{2} }{4u^{5} }


Now, we have two u terms on the top and bottom.  When dividing variables raised to an exponent, we subtract the exponents.  However, since 3-5=-2, the term will be on the bottom to avoid the negative exponent.  The final answer is:

\frac{v^{2} }{4u^{2} }


Hope this makes sense!!


4 0
4 years ago
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