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3 years ago

A fitness club charges its members a one time fee of 40$ and a monthly rate of 25$ what is this in q expression

Mathematics

1 answer:

joja [24]3 years ago

6 0

Y = 25x + 40 is the expression.

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What is the rate of change of the function? On a coordinate plane, a line with negative slope goes through points (0, 1) and (1,

Blababa [14]

Answer:

-2

Step-by-step explanation:

slope: (y² - y¹) / (x² - x¹)

(-1 - 1) / (1 - 0) = -2 / 1 = -2

y = -2x + b

plug in an (x, y) value to find b

1 = -2(0) + b

1 = -2 + b

b = 3

y = -2x + 3

rate of change is -2

4 0

3 years ago

Match each point label on the box it to its description.

Ahat [919]

A is the minimum value
B is the first quartile
The point with the line through it (next to C) is the median.
The point to the outside of the box is the third quartile.
D is the maximum value.

Hope this helped.

4 0

3 years ago

Sowe using the Identitie<br>a) (6+5x)²<br>b) 8-2x) ?<br>C) 252² - 364²<br>d) x + 2) (42-3)

Rudik [331]

A) 25x² + 60x + 36
b) 4x² - 32x + 64
c) - 68992
d) 39x + 78

6 0

3 years ago

The diameter of a rivet (in mm) is a random variable with probability density function: a) What is the probability that the diam

Jet001 [13]

The answer will be 12.4 if you really look at it you can multiply 3 by 2 get 4 add 12 and a decimal

4 0

3 years ago

Betty paints twice as fast as Dan. Working together, Dan and Betty can paint 2, 400 square feet in 4 hours. Another employee, Su

Natalija [7]

Answer:

2670 square feet. Option e.

Step-by-step explanation:

Dan and Betty can paint 2,400 square feet in 4 hours.

They can paint in one hour $\frac{2400}{4}$ = 600 square feet.

Since given that Betty paints twice as fast as Dan. Let us take an equation:

Let Betty = B, Dan = D and Sue = S

B = 2D

4(B+D) = 2400

4B + 4D = 2400

12D = 2400

D = 200 sq. ft.

B = 2D = 400 sq. ft.

Therefore, Dan can paint 200 square feet in 1 hour and Betty paints twice 400 square feet in 1 hour.

Now given three of them can paint 3,600 square feet in 3 hours.

3( B+D+S) = 3600

3B + 3D + 3S = 3600

3(400) + 3(200) + 3(S) = 3600

1200 + 600 + 3S = 3600

S = 600 Sq. ft.

Sue can paint 600 square feet in one hour.

So sue can paint in 4 hours and 27 minutes.

$(\frac{4+27}{60})$ × 600

= 2670 square feet. Option e.

8 0

3 years ago