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vodka [1.7K]
3 years ago
10

Help, help, help I can’t get these

Mathematics
2 answers:
makkiz [27]3 years ago
4 0

\bf f(x) = -\cfrac{1}{4}x+3\qquad \qquad \stackrel{f(x)}{x}= -\cfrac{1}{4}x+3\implies x = -\cfrac{x}{4}+3\implies x-3=\cfrac{-x}{4} \\\\\\ 4x-12=-x\implies 5x-12=0\implies 5x = 12\implies \boxed{x = \cfrac{12}{5}}

xenn [34]3 years ago
3 0
If we don’t end up helping you, just remember that you can always ask you parent/guardian or teacher. They all want to help you in anyway hey can.
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The Japanese 5 yen coin has a hole in the middle. If the diameter of the coin is 22 mm and the diameter of the hole is 5 mm, how
Ivenika [448]

Answer:

distance = (22/2) - (5/2) = 8.5 mm

Hope this helps chu

Have a great day

☆ Dont forget to mark brainliest ☆

4 0
3 years ago
Read 3 more answers
Rocco used these steps to solve the equation 4x + 6 = 4 + 2(2x + 1). Which choice describes the meaning of his result, 6 = 6?
lbvjy [14]

Answer:

infinite solutions

Step-by-step explanation:

it means that all x are solution of this equation as 6=6 is always true

3 0
3 years ago
A nature center charges $35.25
gregori [183]

Answer: 12 yearly admissions and 38 single admissions

Step-by-step explanation:

Let x be yearly membership

Let y be single admission

x+y=50 --> # of tickets sold

35.25x+6.25y=660.50 --> $ of tickets

Use elimination method to solve (multiply equation 1 by -3525 and equation 2 by 100)

-3525x-3525y=-176250

+  3525+625y=66050

-----------------------------------

-2900y=-110200

y=38

Substitute y=38 into equation 1

x+38=50

x=12

Therefore, 12 yearly admissions and 38 single admissions were sold

4 0
3 years ago
Find the area of a semi circle with a diameter of 28cm
Alexandra [31]

since it has a diameter of 28, then its radius must be half that or 14.

\textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=14 \end{cases}\implies A=\pi (14)^2\implies A=196\pi ~\hfill \stackrel{\stackrel{semi-circle}{half~that}}{98\pi }

8 0
2 years ago
A pitched roof is built with a 2:5 ratio of rise to span. If the rise of the roof is 12 meters, what is the span?
grin007 [14]
15 meters!! Is the correct answer
3 0
3 years ago
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