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valentina_108 [34]
3 years ago
15

Georgie joins a gym. she pays $25 to sign-up and then $15 each month.

Mathematics
1 answer:
Len [333]3 years ago
8 0
In the y=mx+b format or a linear equation, this would be y=15x+25
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HELP!!! Which graph best shows the function f(x) = 4(3)−x to represent the rate at which a radioactive substance decays?​
bagirrra123 [75]

Answer:

B

Step-by-step explanation:

The exponential function has the form y = a(b^x) where a is the starting value or y-intercept. B is the rate of change and x is the variable typically time. In this situation, y = 4(3^{-x}) has starting value 4, rate 3 and a -x.

Normally an exponential curve glides left to right growing steeper as it goes. But a -x flips this behavior. The curve starts very steep then gradually slows down. This means only graphs B or D are options. Since only graph B of these two has a y-intercept at 4, graph B is the solution.

7 0
2 years ago
14. Sara is reading a 280 page book. If she has read 174 pages, what percent of the book
alex41 [277]
280-174=106
106/280=.3785=37.85%
4 0
2 years ago
Read 2 more answers
Please help!! will give brainliest ASAP
soldier1979 [14.2K]

Answer:

c = 36.06

Step-by-step explanation:

a² + b² = c²

20² + 30² = c²

400 + 900 = c²

c² = 1300

\sqrt{c^2} =\sqrt{1300}

c = 36.06

8 0
2 years ago
a ladder 30 decimeters long is leaning against the side of a building. the ladder makes an angle of 25 degrees with the side of
ozzi
H=how far up from the ground does the ladder touch the building
h/30=sin 25°
h=30 sin 25°
h=12.7 decimeters(1 decimal place)
Answer: The height that the ladder touch the building far up from the ground is 12.7 decimeters.


8 0
3 years ago
Solve the inequality.<br> 2(4+2x)25x+5
Inessa [10]

Answer:

x ≤ 3

Step-by-step explanation:

Given

2(4 + 2x) ≥ 5x + 5 ← distribute parenthesis on left side

8 + 4x ≥ 5x + 5 ( subtract 4x from both sides )

8 ≥ x + 5 ( subtract 5 from both sides )

3 ≥ x , hence

x ≤ 3

6 0
3 years ago
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