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Kitty [74]
4 years ago
11

Does anyone know this answer

Mathematics
2 answers:
noname [10]4 years ago
7 0

Answer:

This is asking for the sine. The sine is found by taking the opposite side and divinding it by the hypotenuse.

Step-by-step explanation:

sine=7

hypotenuse-9

7/9 or .777 (i use a sine/cosine/tangent chart to find the degrees)

answer=51°

VladimirAG [237]4 years ago
4 0

Answer:

60 degrees

Step-by-step explanation:

The two legs are not equivalent pointing to a 30-60-90 triangle which means x=60 degrees

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ohaa [14]
25 because 30 minutes is 1/2 hour
3 0
3 years ago
Can you help answer these:
mojhsa [17]

Answer:

1) -3 x 3=-9

2) -3x-3=9

3)20x5=100

4) 21x-3=-63

5) -2x3x-4=24

note: negative x positive= negative

negative x negative=positive

positive x positive= positive

Step-by-step explanation:

hope this is helpful

6 0
3 years ago
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Using first principal find the gradient of the curve whose equation is y=x^5. show working pleas​
Keith_Richards [23]

Answer:

The gradient of y = x^{5} is \frac{dy}{dx} = 5\cdot x^{4}.

Step-by-step explanation:

Geometrically speaking, the gradient of a curve is the slope of the tangent line at a given point of the curve. From perspective of Differential Calculus, the gradient is the first derivative of the curve. Let y = x^{5}, then the gradient of the curve is:

\frac{dy}{dx} = 5\cdot x^{4} (1)

The gradient of y = x^{5} is \frac{dy}{dx} = 5\cdot x^{4}.

6 0
3 years ago
Question
IgorLugansk [536]

Answer:

the time is 1.57 sec and the distance is 49.32mm

Step-by-step explanation:

Given that,

The angle is 180°

Angular velocity is 2rev/sec

The radius is 10mm

we are to find the time and distance traveled at that time

The formula is

θ = at

where t is the time,

a is the angular velocity

θ is angle in radian

so,

θ = 180° × π/180°

θ = π

= 3.14

Hence ,

θ = at

3.14 = 2t

t = 1.57sec

let the distance be xmm

\frac{1.57 \times 180^0}{360} = \frac{x}{20 \pi} \\\\0.785 = \frac{x}{20 \pi} \\\\x = 49.32mm

Therefore , the time is 1.57 sec and the distance is 49.32mm

7 0
3 years ago
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What is the quotient of −42 and −6?
Black_prince [1.1K]

Answer:

7

Step-by-step explanation:

Two negatives cancel out, so you divide just like normal 42÷6 is 7

4 0
3 years ago
Read 2 more answers
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