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3 years ago

Angle A and angle B are complementary. If angle A measures 45 degrees, what does angle B measure?

Mathematics

1 answer:

Molodets [167]3 years ago

4 0

a is 45 degrees and b is 45 degrees

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Classify the sequences as arithmetic geometric, Fibonacci -5,0,10,15,25

vovikov84 [41]

It is arithmetic.

It starts at - 5,

the next item is 0 then 5 and next is 15 ...

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It isn't geometric. You are not multiplying by 5

The second term must be and not- 5 * 5 = - 25

============

A Fibonacci series adds the previous two terms together to get the next term

Usually it starts at 0, but it doesn't need to.

0,1,1,2,3,5,8,13,21,34 ....

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Whats 4x4-2+4-4-4-4-4-4-4-4+20+10

Inga [223]

Answer:

Step-by-step explanation:

use desmos

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It is 11:45 AM when can you put the bread in the oven if the brain needs to bake for 30 minutes what time will the bread finishe

Dimas [21]

Answer:

The bread will be done baking at 12:15

Step-by-step explanation:

11:45+30=12:15

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Need help on question 5 please.

Irina18 [472]

Answer:

the answer is a

Step-by-step explanation:

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3 years ago

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $13 monthly fee

Tpy6a [65]

Answer:

With 250 minutes of calls the cost of the two plans is the same

Step-by-step explanation:

We must write an equation to represent the cost of each call plan.

<u>For the first plan</u>

Monthly fee

$ 13

Cost per minute

$ 0.17

If we call x the number of call minutes then the equation representing the cost c for this plan is:

$c = 13 + 0.17x$

<u>For the second plan</u>

monthly fee

$ 23

Cost per minute

$ 0.13

If we call x the number of call minutes then the equation representing the cost c for this plan is:

$c = 23 + 0.13x$

To know when the cost of both plans are equal, we equate the two equations and solve for x.

$13 + 0.17x = 23 + 0.13x\\\\0.17x -0.13x = 23-13\\\\0.04x = 10$

$x = \frac{10}{0.04}$

$x = 250\ minutes$

With 250 minutes of calls the cost of the two plans is the same: $55.5

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3 years ago