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2 years ago

Percent equivalent of 7/15

2 answers:

8 0

If you do 7 ÷ 15 you get 0.46666666666

Then multiply that by 100

And you should get 46.66(bar notation above 6)%

<em>46.66(bar notation above 6)% </em> is equal to $\frac{7}{15}$

- Marlon Nunez

STALIN [3.7K]2 years ago

4 0

46.67 is the answer to this question.

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The graph shows the number of hours driven and the number of miles traveled.

Assoli18 [71]

Answer:

x is 4 when y is 180

y is 540 when x is 12

Step-by-step explanation:

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3 years ago

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Use the law of sines to find the value of w.

Lunna [17]

Option B: 4.0 cm is the value of w

Explanation:

It is given that $\angle W= 39$ , $\angle U=31$ , $VW=3.3$ and $UV=w$

Using the law of sines, we have,

$\frac{sin U}{3.3} =\frac{sin W}{w}$

Substituting the values, we have,

$\frac{\sin 31}{3.3}=\frac{\sin 39}{w}$

Cross multiplying, we get,

$(sin31) w=3.3( \sin 39)$

Simplifying, we have,

$0.515w=2.077$

Dividing both sides by 0.515, we have,

$w=4.0$

Thus, the value of w is 4.0 cm

Hence, Option B is the correct answer.

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2 years ago

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The set of all output values y in a function is called the ___ of the function

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Range of a function.

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3 years ago

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Find the answer? <br> (t-12) x 8 = 97

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Answer:

Step-by-step explanation:

(t - 12) x 8 = 97

8t - 96 = 97

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2 years ago

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A circle has centre (3,0) and radius 5. The line y = 2x + k intersects the circle in two points. Find the set

lara [203]

A circle with center $(3,0)$ and radius $5$ has equation

$(x-3)^2+y^2=25 \iff x^2 + y^2- 6 x = 16$

If we substitute $y=2x+k$ in this equation, we have

$x^2+(2x+k)^2-6x=16 \iff 5x^2+(4k-6)x+k^2-16=0$

This equation has two solutions (i.e. the line intersects the circle in two points) if and only if the determinant is greater than zero:

$\Delta=b^2-4ac=(4k-6)^2-4\cdot 5\cdot (k^2-16)>0$

The expression simplifies to

$-4 (k^2 + 12 k - 89)>0 \iff k^2 + 12 k - 89$

The solutions to the associated equation are

$k^2 + 12 k - 89=0 \iff k=-6\pm 5\sqrt{5}$

So, the parabola is negative between the two solutions:

$-6-5\sqrt{5}$

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3 years ago