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guapka [62]
3 years ago
15

I need to find x for this problem, in a category of geometry, help please!

Mathematics
1 answer:
sattari [20]3 years ago
8 0

Answer:

17

Step-by-step explanation:

(7x)° + 61° = 180° (interior angle Postulate)

(7x)° = 180° - 61°

(7x)° =119°

7x = 119

x =  \frac{119}{7}  \\  \\  \huge \red{ \boxed{x = 17}}

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Vugar has a maximum of 30 batteries for toys. Each toy helicopter uses the same number of batteries, and each toy car uses the s
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Answer: 3H+4C<_ 30

The coefficients of the variables H and C represent the number of batteries each toy helicopter and each toy car uses.

Step-by-step explanation:

Each toy helicopter uses 3 batteries, and each toy car uses 4 batteries.

Now let's check whether Vugar has enough batteries for 5 toy helicopters and 4 toy cars. To do this, we substitute  H=5 and C= 4 in the given inequality:

Does Vugar have enough batteries to play with 5 toy helicopters and 4 toy cars?

No, because if you plug in the value for H and C:

3H + 4C<_ 30

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No, Vugar does not have enough batteries to play with 555 toy helicopters and 444 toy cars.

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