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Fofino [41]
3 years ago
11

A manatee surfaced for air 6 times in 240 seconds. How many seconds went by before the manatee surfaced the fourth time if it he

ld its breath for the same rate?
Mathematics
1 answer:
Norma-Jean [14]3 years ago
3 0
I think it is 160 seconds
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Methods for graphing lunear equations
Flura [38]

Answer:

Step-by-step explanation:

The first method is by plotting points and then dreaming a line through the points. The second is by using the y intercept and slope the third is applying transformation to the identity function. F(x)=x(x)=x

6 0
3 years ago
I need help on this question. I need all the steps too, so please don’t just copy and paste something off of the internet.
Lorico [155]

Answer:

Find the LCM of 3.5 and 2.25

Step-by-step explanation:

which is 31.5

4 0
3 years ago
Read 2 more answers
Solve the system of equations. \begin{aligned} &-9y+4x - 20=0 \\\\ &-7y+16x-80=0 \end{aligned} ​ −9y+4x−20=0 −7y+16x−80=
bekas [8.4K]

Answer:

(5 , 0)

Step-by-step explanation:

7 * (−9y+4x−20)=0

9 * (−7y+16x−80)=0

-63y + 28x -140 = 0 ......a

-63y + 144x -720 = 0 .....b

b-a:  116x - 580 = 0

116x = 580

x = 5

y = (4x-20)/-9 = 0/-9 = 0

7 0
2 years ago
To join a new fitness center, there is a $40 initiation fee. It costs an additional $10 for every spinning class you attend. Wha
Lilit [14]

the average cost per class is $14.

Think of this as an algebraic equation, which would be expressed as 40+10s=total cost

The (s) would be the number of spinning classes you decide to take.

Therefore to find the average cost of the class, you would plug in 10 classes for s.

This brings the total cost to $140 dollars.

To find the average you must divide this cost by the number of classes you took.

This will be the price per class, which is $14.

Statement of the equality of two expressions formulated by way of making use of a set of variables the algebraic operations, particularly, addition, subtraction, multiplication, department, elevating to energy, and extraction of a root.

In arithmetic, an algebraic equation or polynomial equation is an equation of the form P=0 where P is a polynomial with coefficients in some area, regularly the field of rational numbers.

Learn more about algebraic equations here brainly.com/question/2164351

#SPJ4

5 0
1 year ago
Which of the following is a rational number? A. square root of 2.5 B. - square root of 64 C. 4 square root of 5 D. square root o
natulia [17]

Answer:

The answer is D square root of 14.4

Step-by-step explanation:

4 0
3 years ago
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