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Arlecino [84]
3 years ago
7

Please help me with this question thank you

Mathematics
2 answers:
Mkey [24]3 years ago
8 0

Answer: X=0

Step-by-step explanation:

Diano4ka-milaya [45]3 years ago
7 0

Answer:

Shindeu NANI?!?

Step-by-step explanation:

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Use the triangle below to find cos V.
Semenov [28]

Answer:

cos\ V = \frac{2\sqrt{29}}{29}

Step-by-step explanation:

Given

The attached triangle

Required

Find cos V

In trigonometry:

cos\theta = \frac{Adjacent}{Hypotenuse}

In this case:

cos V= \frac{TV}{UV}

Where

TV = 6

and

UV^2 = TV^2 + TU^2 -- Pythagoras

UV^2 = 6^2 + 15^2

UV^2 = 261

Take square roots

UV = \sqrt{261

UV = \sqrt{9*29

UV = \sqrt{9} *\sqrt{29

UV = 3\sqrt{29

So:

cos V= \frac{TV}{UV}

cos\ V = \frac{6}{3\sqrt{29}}

cos\ V = \frac{2}{\sqrt{29}}

Rationalize:

cos\ V = \frac{2}{\sqrt{29}}*\frac{\sqrt{29}}{\sqrt{29}}

cos\ V = \frac{2\sqrt{29}}{29}

8 0
2 years ago
Discuss the validity of the following statement. If the statement is always​ true, explain why. If​ not, give a counterexample.
Zigmanuir [339]

Answer:

P(E \cup F)=P(E)+P(F).

Step-by-step explanation:

Given the statement

If P(E)+P(F)=P(E \cup F)+P(E \cap F), then E and F are mutually exclusive events.

If two events are mutually exclusive, they have no elements in common. Thus, P(E∩F)=0.

Therefore, the statement is always true as P(E∩F)=0

For mutually exclusive events:

P(E \cup F)=P(E)+P(F).

3 0
3 years ago
A building's construction cost was $625,000. the building is 80 feet long, 45 feet wide and 12 feet high. what was the cost of t
Alborosie
Volume = Length x Width x Height 
Volume = 80 x 45 x 12
Volume = 43200 ft³

Cost per cubic foot = $625 000 ÷ 43200
Cost per cubic foot = $14.47

----------------------------------------------
Answer: $14.47 per cubic foot.
----------------------------------------------
8 0
3 years ago
I need this ASAP i need to make 5−4+7x+1= (blank)x + (blank) into a infinite,no and one solution
katrin2010 [14]

Answer:

7x + 2

Step-by-step explanation:

5 - 4 + 7x + 1

= 1 + 7x + 1

= 7x + 2

hope this helped u bud :)

5 0
3 years ago
2 1/2 - 1 1/4 = ____ units ​
Flura [38]

Answer: 1 \frac{1}{4}

Step-by-step explanation:

8 0
3 years ago
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