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yan [13]
3 years ago
13

Help me please!!! Whats the length for w?

Mathematics
2 answers:
KIM [24]3 years ago
8 0
Son=40 hope this helps
Ostrovityanka [42]3 years ago
3 0

Answer:

<em>(The second option)</em> sin40° = <em>w</em><em> </em><em>/</em><em> </em><em>2</em><em>8</em><em> </em>

Step-by-step explanation:

sin40° = opposite / hypotenuse

sin40° = <em>w</em><em> </em>/ 28

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Solve. 10x^2 = 6 + 9x10x 2 =6+9x10, x, start superscript, 2, end superscript, equals, 6, plus, 9, x Choose 1 answer: Choose 1 an
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Answer:

Option B.

Step-by-step explanation:

If a quadratic equation is defined as

ax^2+bx+c=0         .... (1)

then the quadratic formula is

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

The given equation is

10x^2=6+9x

It can rewritten as

10x^2-9x-6=0            .... (2)

On comparing (1) and (2) we get

a=10,b=-9,c=-6

Using quadratic formula we get

x=\dfrac{-(-9)\pm \sqrt{(-9)^2-4(10)(-6)}}{2(10)}

x=\dfrac{9\pm \sqrt{81+240}}{20}

x=\dfrac{9\pm \sqrt{321}}{20}

Therefore, the correct option is B.

6 0
3 years ago
Read 2 more answers
Samantha and mia each left julia’s house at the same time. mia walked north at 7 kilometers per hour. samantha ran west at 11 ki
kramer

Samantha and Mia are 13 km apart from each other.

<h3>What is Pythagorean ?</h3>

A right triangle's squared sides add up to the hypotenuse's squared length, according to the Pythagorean Theorem.

Mia is 7 kilometers north of Julia's home as she walked at a speed of 7 kilometers per hour.

Samantha walked at an average speed of 11 km/h, and she is now 11 kilometers west of Julia's home.

A right-angled triangle is formed by Julia's house, Mia and Samantha's locations after one hour, and the figure's points.

Hypotenuse of the triangle, which measures distance between the females

the Pythagorean theorem,

H² = P² + B²

H² = 7² + 11²

H² = 49 + 121

H = √170

H = 13.038

H = 13km

Between them, there is a 13 kilometer distance.

To know more about Pythagorean Theorem visit:

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10 months ago
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Gala2k [10]
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2. 56 is divisible by 14
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3 years ago
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Classify the following triangle. check all that apply.
Leya [2.2K]
I would go for Obtuse from the 120° angle, Acute from the either the 20° and 40°, and scalene since all angles are unequal
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3 years ago
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The variables y and x have a proportional relationship, and y =5 when x=4
patriot [66]

Answer:The value of x is 6.4

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