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Alekssandra [29.7K]
3 years ago
9

Please answer quickly!!!

Mathematics
1 answer:
Ivenika [448]3 years ago
5 0

Answer:

3.5 min

Step-by-step explanation:

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The phone company A Fee and Fee has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount o
IgorLugansk [536]

Answer:

y=0.2x+29

Step-by-step explanation:

Given that:

y is the total monthly of the A Fee and Fee plan.

x is the number of monthly minutes used.

  • If a customer uses 290 minutes, the monthly cost will be $87, we have the pair (290, 87)
  • If the customer uses 980 minutes, the monthly cost will be $225, this is the coordinate pair (980, 225).

We want to obtain an equation in the form: y=mx+b

First, let us determine the slope, m

Given points (290, 87) and (980, 225):

<u>Slope</u>

m=\dfrac{225-87}{980-290} =\dfrac{138}{690}=0.2

Next, we determine the y-intercept, b.

Substituting the pair (290, 87) and m=0.2 in y=mx+b, we obtain

87=0.2(290)+b

b=87-0.2(290)=29

Therefore, our equation in the form y=mx+b is:

y=0.2x+29

8 0
3 years ago
Which graph represents the function f(x) = 4|x|?
zalisa [80]

Answer:

pick a graph from google

Step-by-step explanation:

there is prablly some u can pick from

4 0
2 years ago
Read 2 more answers
Working alone and at a constant rate, Machine A takes 3 hours to create a widget. Machine B, working alone and at a constant rat
PilotLPTM [1.2K]

Answer:

Time required by Machine B to create a widget = 4 hours

Step-by-step explanation:

Time taken by Machine A ( T_{A} ) = 3 hours

Time taken by Machine B ( T_{B} )= x hours

Time taken by both machines by working together = 12 hours

The time required to both machines by  working together to finish a task is given by the formula = \frac{T_{A} {T_{B} } }{T_{A} + T_{B} }

Put the values in above formula we get

⇒ T =  \frac{3 x}{3 + x}

⇒ 12 =  \frac{3 x}{3 + x}

⇒ 36 + 12 x = 3 x

⇒ x = - 4 hours

This is the time required by Machine B to create a widget.

8 0
3 years ago
The purpose of a battery in a circuit is to _____.
skelet666 [1.2K]

Answer:

Increase the potential of charges in the circuit

Step-by-step explanation:

Hope this is correct

HAVE A GOOD DAY!

7 0
3 years ago
Help please? :))))))))))))
Ivan
A. 4times y+2        b. 5-x times 3 times y  c. -2 times y-3  d. -7 times 4+x            e. 16 times x -8 divided by 4     f. 1 divided by 3 times 2 times x +3


sorry I tried to make it out the best that I could I don't have all the symbols so I just wrote out the divide and multiply parts 
5 0
3 years ago
Read 2 more answers
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