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Zarrin [17]
3 years ago
14

Can someone help me with this ASAP please I’m being timed

Mathematics
1 answer:
SOVA2 [1]3 years ago
3 0
Top right goes down five then up 5
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*FIRST PERSON TO GET IT RIGHT AND ANSWER FIRST GETS BRAINLIEST*
polet [3.4K]

There are 23 sharks and 7 octopi in the aquarium

  • Let the number of sharks in the aquarium be x
  • Let the number of octopi in the tank be y

If the total number of animals in the tank is 30, therefore;

  • x + y = 30 ....................... 1

If the total number of legs in the tank is 171 with starfish having 5 legs and Octopus having 8 legs, the required expression will be:

  • 5x + 8y = 171 ................ 2

From equation 1, x = 30 - y ................... 3

Substitute equation 3 into 2 to have:

5(30-y) + 8y = 171

150 - 5y + 8y = 171

3y = 171 - 150

3y = 21

y = 7

Recall that x = 30 - y

x = 30 - 7

x = 23

Hence there are 23 sharks and 7 octopi in the aquarium

Learn more on simultaneous equation here: brainly.com/question/148035

8 0
2 years ago
60% of ____________ = 75
Scilla [17]

<em>So</em><em> </em><em>the</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>1</em><em>2</em><em>5</em><em>.</em>

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

<em>H</em><em>ope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em>

6 0
3 years ago
Read 2 more answers
Kendrick’s math quiz grades are 90, 100, 48, 88, 100, and 96. Find the MEAN of Kendrick’s scores.
kipiarov [429]

Answer:

87

Step-by-step explanation:

The mean is 87, multipliy all the numbers then devide that number by 6!

4 0
2 years ago
If m&lt;7=100, find m&lt;6
PIT_PIT [208]

the answer is m<6=80

5 0
3 years ago
50 points!!!!! Please!!!!! Sandra and Jenny spend a certain amount of money from their money box each month to buy plants. The t
nekit [7.7K]

Answer:

A) Function 2 shows a greater rate of change because Jenny spends $6 each month and Sandra spends $5 each month.

Step-by-step explanation:

The y-intercept for Sandra is 55 and the slope is -5. While Jenny's y-intercept is 50 and slope is -6.

6 is a greater number therefore causing Jenny's slope to decrease faster causing her to have less money at a much faster rate. (rate of change=slope) Jeny's slope is decreasing at a faster rate of change because she is spending more money everyday than Sandra is.

Hope this helps! Have a great day! :)

4 0
3 years ago
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