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Zinaida [17]
3 years ago
10

4X4 + 35x2 – 99 = 0

Mathematics
2 answers:
avanturin [10]3 years ago
5 0

Answer:

-13

Step-by-step explanation:

4x4=16

35x2=70

16+70=86

86-99= -13

Marianna [84]3 years ago
4 0

Answer:

4

X

4

+

35

x

2

−

99

+

0

Step-by-step explanation:

idk if thats what ur looking for

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I need help on this it’s about trig identities
Cerrena [4.2K]

Answer:

The answer to your question is:

Step-by-step explanation:

1.-

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2.-

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\frac{1}{cos^{2} x} - \frac{sinx}{cos^{2}x}

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3 0
3 years ago
David bought a used Dodge Challenger for $14,000. The value of the car depreciates 11% per year from the time he bought the car.
statuscvo [17]

Answer:

V(t) = 14,000(0.89)^t

Step-by-step explanation:

Present value of the Dodge Challenger = $14,000

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= 14,000(89%)^t

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7 0
3 years ago
Find the length of side BC. Round your answer to the nearest tenth.
Arturiano [62]

Answer:

2.5

Step-by-step explanation:

(6)cos(65)

7 0
2 years ago
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