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2 years ago

Find the distance between each pair if points

Mathematics

1 answer:

sukhopar [10]2 years ago

6 0

Answer:

point a is positive but point b is negative

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How can I find a? (Trigonometric Ratios)

earnstyle [38]

Step-by-step explanation:

Hey there!

Use cos ratio to find the value of 'a'.

As per given, we can state that it is a Right angled triangle, so taking 38° reference angle.

We get;

p = AC

b = 6

and h= a

Here, Use the value of b, h and 38° angle to find the value of a.

$\cos(38° ) = \frac{b}{h}$

$\cos(38°) = \frac{6}{a}$

$0.7881 = \frac{6}{a}$ [ cos(38°=0.7881]

$0.7881a = 6$

$a = \frac{6}{0.7881}$

Therefore the measure of a is 7.61 Or 8.

Hope it helps..

6 0

2 years ago

Plz help, asap, do not paste link for other website.

riadik2000 [5.3K]

Answer:

D is the answer not a or b or c

Step-by-step explanation:

none

3 0

2 years ago

Read 2 more answers

Which expression is equivalent to

lutik1710 [3]

Answer:

$\frac{\sqrt[4]{3x^2} }{2y}$

Step-by-step explanation:

We can simplify the expression under the root first.

Remember to use $\frac{a^x}{a^y}=a^{x-y}$

Thus, we have:

$\sqrt[4]{\frac{24x^{6}y}{128x^{4}y^{5}}} \\=\sqrt[4]{\frac{3x^{2}}{16y^{4}}}$

We know 4th root can be written as "to the power 1/4th". Then we can use the property $(ab)^{x}=a^x b^x$

So we have:

$\sqrt[4]{\frac{3x^{2}}{16y^{4}}} \\=(\frac{3x^{2}}{16y^{4}})^{\frac{1}{4}}\\=\frac{3^{\frac{1}{4}}x^{\frac{1}{2}}}{2y}\\=\frac{\sqrt[4]{3x^2} }{2y}$

Option D is right.

8 0

3 years ago

Ms. Fry started walking as her New Year’s resolution. She calculated that she can walk a 1/2 mile in 1/4 of an hour. What is her

Natalija [7]

Answer:

2 miles per hour

Step-by-step explanation:

1/4 x 4 = 1

1/2 x 4 = 2

1/4 is a quarter of 100, so you have to multiply it by 4 to get 100% or 1.

So 1/2 x 4 is 2, which is the mph.

6 0

3 years ago

The sphere's radius is half the radius of the hemisphere. How does the volume of this hemisphere compare with the volume of the

Trava [24]

Answer:

Radius of the sphere = r

Volume of sphere:

V₁ = 4/3×πr³

Radius of the hemisphere = 2r

Volume of the hemisphere:

V₂ = 1/2×4/3×π(2r)³ = 1/2×8×4/3πr³ = 4V₁

The volume of the hemisphere is 4 times greater than the volume of the sphere

7 0

2 years ago

Read 2 more answers