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4 years ago

1 Find the equation of the axis of symmetry and the coordinates of the vertex of the

Mathematics

1 answer:

Varvara68 [4.7K]4 years ago

5 0

4(-1/2)*(5/4)=-5/8
-29/16——->-41/16
(-5/8,-41/16)
Answer—5/8

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PLEASE HELP ASAP ILL GIVE BRAINLIEST!!!!! find measure of arc MK

Gwar [14]

Answer:

Arc length MK = 15.45 units (nearest hundredth)

Arc measure = 58.24°

Step-by-step explanation:

Calculate the measure of the angle KLN (as this equals m∠KLM which is the measure of arc MK)

ΔKNL is a right triangle, so we can use the cos trig ratio to find ∠KLM:

$\sf \cos(\theta)=\dfrac{A}{H}$

where:

$\theta$ is the angle
A is the side adjacent the angle
H is the hypotenuse (the side opposite the right angle)

Given:

$\theta$ = ∠KLM
A = LN = 8
H = KL = 15.2

$\implies \sf \cos(KLM)=\dfrac{8}{15.2}$

$\implies \sf \angle KLM=\cos^{-1}\left(\dfrac{8}{15.2}\right)$

$\implies \sf \angle KLM=58.24313614^{\circ}$

Therefore, the measure of arc MK = 58.24° (nearest hundredth)

$\textsf{Arc length}=2 \pi r\left(\dfrac{\theta}{360^{\circ}}\right) \quad \textsf{(where r is the radius and}\:\theta\:{\textsf{is the angle)}$

Given:

r = 15.2
∠KLM = 58.24313614°

$\implies \textsf{Arc length MK}=2 \pi (15.2)\left(\dfrac{\sf \angle KLM}{360^{\circ}}\right)$

$\implies \textsf{Arc length MK}=\sf 15.45132428\:units$

6 0

2 years ago

The wheels on Noah's bike have a circumference of about 5 feet. How far does the bike travel as the wheels makes 15 complete rot

grin007 [14]

Answer:

75 feet

Step-by-step explanation:

If the circumference of the wheels is 5 feet, every full rotation the bike will travel 5 feet. Therefore, after 15 full rotations the bike will travel 15 * 5 = 75 feet.

8 0

3 years ago

Read 2 more answers

Solve for y. 3=7(1-1) (it isn't 2)

laiz [17]

Answer:

First off, I can't solve for y, there is no y variable.

Second, 3 = 7 ( 1 - 1 ) is not true because 3 ≠ 0 ( 3 doesn't equal 0 ) :

3 = 7 ( 1 - 1 )

3 = 7 ( 0 ) ( Simplify Parenthesis )

3 = 0 ( Multiply 7 and 0 )

3 ≠ 0

4 0

3 years ago

What is the area of the acute triangle given below? A.18 B.72 C.36 D.26

Temka [501]

Hi there!

Area of a triangle: 1/2bh

Substitute 6 for h and 12 for b.

1/2(12)(6)

Multiply (12)(6).

1/2(72)

Divide 72 by 2.

C) 36 sq. units

Hope this helps!

3 0

3 years ago

AURORKA [14]

Answer:

A) E, F, H, N

Step-by-step explanation:

I think so......

4 0

3 years ago