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e-lub [12.9K]
4 years ago
7

Which equation can be used to find the answer? an aquarium worker removed 78 fish from a tank. there were still 186 fish left in

the tank. how many fish were in the tank before any were removed?
a. f ÷ 2 =78 f = 156 156 fish
b. f ÷ 2 =186 f = 372 372 fish
c. f – 78 = 186 f = 264 264 fish
d. f + 78 = 186 f = 108 108 fish?
Mathematics
2 answers:
Lyrx [107]4 years ago
8 0

Answer:

f/2=186 fish

186 x 2 = 372

372 fish left in the tank

Step-by-step explanation:

kodGreya [7K]4 years ago
7 0
The answer is B. Hope I helped!
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Can someone help me plz
Musya8 [376]

Answer:

B

Step-by-step explanation:

lets say the cost for a pound is 2$

if the watermelon weighs 3 pounds it would cost $6.

2(3)

The weight is the variable in the parenthesis because that is what is constantly changing.

4 0
3 years ago
Determine the equation of the line that is perpendicular to the line y = 3x + 4 and passes through the point (6, 2).
fomenos

Answer:

y = -1/3x + 4

Step-by-step explanation:

Perpendicular lines: Their gradients are reciprocals.

This means:

  • -1 ÷ Gradient 1 = Gradient 2
  • Gradient 1 * Gradient 2 = -1

Gradient of the given equation is 3.

-1 / 3 = -1/3

Gradient of the equation we're finding is -1/3

y = -1/3x + c

Substitute the coordinates in to find the value of c

2 = -1/3(6) + c

2 = -2 + c

2 + 2 = c

4 = c

y = -1/3x + 4

3 0
3 years ago
7. Hobbies Members of a reading group order books for $89.10 and bookmarks
qaws [65]

Answer:

(89.10+10.62)/18 =

(99.72)/18 =

= 5.54

Verification:

5.54*18 = 99.72

how much does each

person owe on average? $5.54

Step-by-step explanation:

4 0
2 years ago
What would x equal? Please help
lakkis [162]

23*2 = 46

5x-4 =46

5x = 50

x = 50/5 = 10

x = 10

6 0
3 years ago
Can Someone come help me out here plzzz ..hurry uppp thxxx
WITCHER [35]

Answer:

It’s the last one

Step-by-step explanation:

You can see on the graph

6 0
3 years ago
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