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Valentin [98]
3 years ago
13

Solve the system using substitution. Show all work.

Mathematics
1 answer:
Brrunno [24]3 years ago
4 0

Here is the answer I hope it helps

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The expression - 380 + 15y represents a submarine that began at a depth of 380 feet below sea
Mice21 [21]

Answer: The submarine was 245 feet below sea level after 9 minutes.

Step-by-step explanation: Since y represents minutes, replace it with 9...

-380 + 15(9)

-380 + 135

-245

Since it’s negative, the submarine is still below sea level.

8 0
2 years ago
Paulo wants to earn $2115by mowing lawns how will charge $70 for each law. He mows what is the minimum number of lawns that Paul
Ket [755]

Answer:

Paulo will need to mow at least 31 lawns to reach his goal of $2115.00.

Step-by-step explanation:

1. This is an inequality problem. The solution for this problem will involve creating in inequality to solve for the answer. To create an inequality, it is important to keep your information organized concisely.

Total = $2115.00

Lawn = $70.00

x = Amount of Lawns

2. From this information, the inequality can be formed.

70x \geq 2115

3. Using the order of operations, solve the inequality.

x \geq 2215/70

x \geq 30.21

4. The minimum number of lawns Paulo needs to mow is 31 lawns to meet his goal of $2115.00.

3 0
3 years ago
What is 200 is blank times as much as 2
Lemur [1.5K]
100 is the answer (100x 2 = 200)
6 0
3 years ago
The graph shows the price, in dollars, of different numbers of muffins at David's store. The table shows the price, in dollars,
mash [69]
It should be $4 sorry if it is wrongbut i pretty sure that is he answer

8 0
3 years ago
Read 2 more answers
The sum of a number t and 31
Radda [10]
It would be 31+t. 
Unless there's more to this question. 
6 0
3 years ago
Read 2 more answers
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