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Ugo [173]
2 years ago
9

I need helpppppp!!!!

Mathematics
1 answer:
Naddik [55]2 years ago
6 0

Answer:

The first one

Step-by-step explanation:

neritic zone, shallow marine environment extending from mean low water down to 200-metre (660-foot) depths, generally corresponding to the continental shelf. Neritic waters are penetrated by varying amounts of sunlight, which permits photosynthesis by both planktonic and bottom-dwelling organisms.

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200 students attend Ridgewood Junior High School. 20% of students bring their
Mademuasel [1]

Answer:

200 × 20/100 = 40

Remember 20% is 20/100 or 0.2

7 0
3 years ago
Length is 5 units and width is 8 units . What is the perimeter
Alona [7]

Answer:

26 units all around

Step-by-step explanation:

when finding the perimeter use the formula

2(length) + 2(width)

in this case

length is 8

width is 5

5(2) = 10

8(2) = 16

10 + 16 = 26

5 0
3 years ago
Jose is blocking off several rooms in a hotel for guests coming to his wedding. The hotel can reserve small rooms that can hold
emmasim [6.3K]

Answer:

No. of large rooms = 7

No. of small rooms = 14

Set of equations

4x + 3y = 70  

y = 2x

Variable definitions

No. of large rooms is x

No. of small rooms is y

Step-by-step explanation:

capacity of large rooms = 4 people

let the no. of large rooms be x

thus, total no of people which can be accommodated in x rooms = 4*x = 4x

capacity of small rooms  = 3 people

let the no. of small rooms be y

thus, total no of people which can be accommodated in y rooms = 3*y = 3y

total no. of people which can be accommodated in x large room and y small room will be = 4x + 3y

It is given that total small room and large room can accommodate 70 guests

thus,

4x + 3y = 70        _________equation 1

_________________

It is also given that Jose reserved twice as many small rooms as large rooms,

so, if no. of large rooms is x  and no. of small rooms is y

then

y = 2x        _________equation 2

substituting value of y in equation 1 we have

4x + 3(2x) = 70  

=>4x + 6x = 70  

=> 10x = 70

=> x = 70/10 = 7

No. of large rooms = 7

No. of small rooms = y= 2x = 2*7 = 14

Set of equations

4x + 3y = 70  

y = 2x

Variable definitions

No. of large rooms is x

No. of small rooms is y

8 0
3 years ago
HELP ASAP
madreJ [45]

Answer:

D)If 3x-4=20, then 2x=16

Step-by-step explanation:

3 0
3 years ago
L=3/2 inches and w=3/4 inches
telo118 [61]
9/8

3/2 x 3/4 = 9/8


fdgkjdhskj
8 0
3 years ago
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