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inessss [21]
2 years ago
5

Which system of equations models the following problem if x represents the number of angelfish Nancy bought and y represents the

number of goldfish she bought?
Nancy bought 360 tropical fish for a museum display. She bought 8 times as many goldfish as angelfish. How many of each type of fish did she buy?


{x+y=360y=8x

{x+8y=360y=8x

{x−y=360y=8x

{x+y=8y=360x
Mathematics
2 answers:
adoni [48]2 years ago
7 0
X+Y=360y=8x
Hope this helps!
alexandr1967 [171]2 years ago
6 0

Answer:2-22=20

Step-by-step explanation:

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We are interested in the dimensions of a certain square a rectangle had length triple the side of this square and width two unit
Sphinxa [80]

Let s be the side length of the square. The dimensions of the rectangle are three times the side of the square (i.e. 3s), and two less than the side of the square (i.e. s-2).

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3s(s-2)=3s^2-6s

The area of the square is s^2, and we know that the two areas are the same, so we have

3s^2-6s=s^2 \iff 2s^2-6s=0 \iff 2s(s-3)=0 \iff s=0 \lor s=3

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3 years ago
SOMEONE PLEASE ANSWER THIS FOR MY FIFTH GRADE COUSIN...IM NOT SMARTER THAN A FIFTH GRADER CLEARLY
adelina 88 [10]

Answer:

AJ picks 252 pounds

Step-by-step explanation:

Lets define the following letters for each name:

A is AJ  

B is Blaze

L is Laurence

J is Jack

Now we will analyze the phrases one by one:

Blaze picks three times as many as Laurence means:

B = 3 * L

Jack picks twice as many as Blaze.  

J = 2 * B, ans using the previous one lets substitute B with 3 * L

J = 2 * B = 2 * (3 * L)

J = 6 * L

Aj picks three times as many as Laurence.  

A = 3 * L

The total weight of the oranges is 1092 pounds.  

A + B + J + L = 1092

We replace A, B & J in the last equation, with the previous results:

A + B + J + L = 1092

(3*L) + (3*L) + (6*L) + L = 1092, grouping using L as common factor:  

(3+3+6+1) * L = 1092

13 * L = 1092, then isolating L:

L = 1092 / 13

L = 84 pounds (for Laurence)

Finally replacing L in the previous equations:

A = 3 * L = 3 * 84 = 252 pounds (for Aj)

B = 3 * L = 3 * 84 = 252 pounds (for Blaze)

J = 6 * L = 6 * 84 = 504 pounds (for Jack)

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Every 2 hours, a machine produces 150 baskets. What is the unit rate of<br> this relationship?
Marina CMI [18]

Answer:

75 baskets per hour

Step-by-step explanation:

150/2=75

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