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3 years ago

It takes Andre 4 minutes to swim 5 laps. How many laps per minute is that?

Mathematics

1 answer:

Nadya [2.5K]3 years ago

6 0

Answer:

1/2

Step-by-step explanation:

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Help for number 4 part a and part b

djyliett [7]

Part A: 7/10 because .7 represents 70/100 of a whole, or 7/10.

Part B: I think 1 and 89/100 because 89/100 represents that fraction

These are my answers, so I may be wrong.

Hope I helped, and good luck!

4 0

3 years ago

Solve the linear system by using Substitution. Enter your answer as an ordered pair.

MAXImum [283]

Answer: {y,x} = {4,2} ) ) ) )4

Step-by-step explanation: y

[2] y = -2x + 8

// Plug this in for variable y in equation [1]

[1] (-2x+8) - x = 2

[1] - 3x = -6

// Solve equation [1] for the variable x

[1] 3x = 6

[1] x = 2

// By now we know this much :

y = -2x+8

x = 2

// Use the x value to solve for y

y = -2(2)+8 = 4

Solution :

{y,x} = {4,2}

7 0

3 years ago

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If the radius of a circle is 6 centimeters, what is its area?

Serggg [28]

Answer:

113

Step-by-step explanation:

p x r^2 =

pie x 6^2 = 113.097…

5 0

3 years ago

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ILL GIVW YOU BRAINLIST !!! HAVE TO GET IT RIGHT !!!! SHOW WORK

serg [7]

Answer:

Step-by-step explanation:

so subsitute the letters so rhe equation would look like

my- 2x

3×6-2×8

18-2×8

18-16

8 0

3 years ago

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Find the domain over which the function y = x + 6x is monotonic increasing.

iragen [17]

Answer:

x > -3

$\sf (-3, \infty)$

Step-by-step explanation:

Domain: input values (x-values)

Monotonic increasing: always increasing.
A function is increasing when its graph rises from left to right.

The graph of a quadratic function is a parabola. If the leading term is positive, the parabola opens upwards. The domain over which the function is increasing for a parabola that opens upwards is values greater than the x-value of the vertex.

<u>Vertex</u>

Standard form of quadratic equation: $\sf y=ax^2+bx+c$