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expeople1 [14]
3 years ago
11

There are 400 seats in a auditorium.the students are using 3/5 of the seats and the teachers are using 60 seats.How many seats a

re not being used ?
Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0

Answer:

100 seats aren't being used.

Step-By-Step-Explanation:

3/5 of 400 is 240

240 + 60 (teacher seats) = 300

300 seats are used

100 seats aren't

:)

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Pls help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
STatiana [176]
The answer to this question is  4v+8
12v+3-6v-9=2v-14+w
12v+3-6v-9-2v+14=w
12v-6v-2v+14-9+3=w
6v-2v+5+3=w
4v+8=w
3 0
3 years ago
Read 2 more answers
Triangles PQR and STU are similar. The length of PQ = 36 cm, RP = 48 cm and QR = 24
gladu [14]

Answer:

207 cm

Step-by-step explanation:

Because ΔPQR ≅ΔSTU and the longest side in the ΔPQR is RP then the longest side in ΔSTU must be SU = 92 cm

Perimeter of triangle PQR is

P(ΔPQR) = 36+48+24 = 108 cm

Because the triangles are are similar their sides are in proportion.

But how much bigger did the second triangle get?...is (92/48) times bigger

P(ΔSTU) = 180*(92/48) = 207 cm

...you can also use proportions to find each side and then find the perimeter

TU = 24*92 /48 = 46

TS = 36*92/48 = 69

SU = 92

P(ΔSTU) = 92+69+46 =207 cm

*the triangles are not drawn to scale

5 0
2 years ago
At the bookstore 40 copies of a popular paperback book fit perfectly on a 5 foot shelf
stellarik [79]

Answer:

8?

Step-by-step explanation:

5x8=40

i dont know the question

3 0
3 years ago
A coffee canister holds 12 ounces of coffee. A coffee scoop holds 3/4 of an ounce of coffee. How many scoops of coffee are in th
arsen [322]

Answer: D

Step-by-step explanation:

3/4= 0.75

0.75÷12=16 scoops

8 0
3 years ago
Read 2 more answers
I have no idea what the answer is , plz help
natima [27]
1/3 of 1/4 is the same as 2/6 of 2/8 
(easier for me this way)
2/6 is 0.33 
2/8 is 0.25 so you are in essence finding roughly 0.8333
that would be equal to the diagram at the bottom right
The other question is (i believe) 1/5 of 5/6
1/5 is 0.2, 5/6 is 0.833
another way to do it is to divide 833 by 5 is 166.6 so it would be 0.166
that would (i think) be the top right
3 0
3 years ago
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