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liubo4ka [24]
3 years ago
7

there are 120 people attending a wedding reception. There are 16 tables. Some are round and some are square. the round table sea

ts 8 people and the square seat 6. how many of each type of table must there be
Mathematics
2 answers:
ira [324]3 years ago
8 0
R+s=16
8*r+6*s=120

r=16-s

8*(16-s)+6*s=120
128-8s+6s=120
-2s=-8
2s=8
s=4
r=16-4


bulgar [2K]3 years ago
5 0
120/14= 8.5 and one thing if they have litter kids they
can set on mom or dad lab. Or foot they can set to eat
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Alfred is practicing typing. The first time he tested himself, he could type 23 words per minute. After practicing for a week, h
Juliette [100K]
First time 23 words 
after week 26 words
after two weeks 29 words
so after 1 week Alfred is faster on 3 words
so after 4 weeks he could type 35 words per minute
5 0
3 years ago
The measure of each angles
Aleks [24]
Supplementary angles is when 2 angles add up to 180 degrees.

We will name the smaller angle a and the bigger angle b.

therefore:

b - 172.6 = a

a + b = 180

Now we substitute:

a + b = 180
b - 172.6 + b = 180
2b - 172.6 = 180
2b = 352.6
b = 176.3

To find a:

a + b = 180
a + 176.3 = 180
a = 3.7

Therefore,

angle a = 3.7 degrees
angle b = 176.3 degrees.

Hope it helps and have a great day ahead
4 0
3 years ago
Urgent Math Help Needed ASAP
Marta_Voda [28]

Answer:

Fourth option: 30 days

Step-by-step explanation:

We three path to complete the project:

Path A:

A1 → A2 → A3

10 days → 8 days → 9 days = 27 days


Path B:

B1 → B2 → B3

2 days → 7 days → 3 days = 12 days


Path C:

C1 → C2 → C3

10 days → 8 days → 12 days = 30 days


Then the duration of the critical path is 30 days, we can't conclude the project until each path has finished

7 0
3 years ago
Juan baked 250 cookies in 2 hours, How many cookies can he make in 1 minute?
dybincka [34]

Answer:

I would say 2 because the decimal I came out with was 2.09

Step-by-step explanation:

8 0
3 years ago
At Appliance Market, a salesperson sells a dishwasher for $569. She gets a commission rate of 18 percent. Which expression repre
posledela
569/x=100/18
multiply both sides of the equation
569=5.55556
now we divide 
569/5.55556
102.42=x

18% of 569=102.42
4 0
3 years ago
Read 2 more answers
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