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natita [175]
3 years ago
7

Wave erosion causes a certain coastline to recede at a rate of 3 centimeters each year. This occurs uninterruped for a period of

8 years
Mathematics
2 answers:
Darina [25.2K]3 years ago
5 0

Answer:

-32.375 centimeters

Step-by-step explanation:

Travka [436]3 years ago
4 0
The expression 8(-3) represents the recession of the coastline after 8 years if the coastline recedes 3 centimeters each year. 8(-3)=-24. So, the coastline's new position is 24 centimeters farther inland than it was 8 years ago.
answer= 24
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Vivi is a drummer for a band. She burns 756 calories while drumming for 3hours. She burns the same number of calories per hour.
lions [1.4K]

This question uses the concept of the division.

Vivi, the band drummer, burns 765 calories in 3 hours. And she burns these calories at the same rate. Which means she burns the same amount of calories per hour.

Thus, the set up equation for this question will be:

Energy burnt in 3 hours=756 calories

Therefore, Energy burnt in 1 hour = \frac{756}{3} =252 Calories.

Thus, the required answer is that Vivi burns 252 Calories of energy per hour while drumming.

7 0
3 years ago
Kayla has a piece of blue ribbon that is 18.35 inches long and a piece of
tankabanditka [31]

Answer:

1.85

Step-by-step explanation:

20.2-18.35=1.85

3 0
3 years ago
Ethan's taxable income is $87,525. Use this tax schedule to calculate the total amount he owes in taxes.
Reptile [31]
$18,617.75 is the answer
$87,525-$77,100=$10,425 (the amount over $77,100)
$10,425 x .28=$2,919 (the 28% taxed amount over $77,100)
$2,919+$15,698.75 (the already taxed amount in the chart)=$18,617.75



8 0
3 years ago
If f(x)=x^2-5 and g(x)=6x then g(f(x)) is equal to
Romashka-Z-Leto [24]
G(x) = 6x 

<span>g(f(x)) </span>
<span>= 6((x^2) - 5) </span>
<span>= (6x^2) - 30 
</span>
so its equal to
<span>(6x^2) - 30</span>
3 0
3 years ago
Read 2 more answers
Which ordered pair is a solution of this equation
Travka [436]

Answer: just by looking at the graph, it looks like (-1, -2) is the ordered pair. But to be sure, just plug in the ordered pair

Step-by-step explanation:

6x - y = -4

6(-1) - (-2) = -4

-6 + 2 = -4

-4 = -4

4 0
3 years ago
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