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3 years ago

What is the value of y?

Mathematics

1 answer:

Tamiku [17]3 years ago

5 0

Answer:

C: 40 degrees

Step-by-step explanation:

50+2y+y+10=180

60+3y=180

3y=120

y=40

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The tee for the sixth hole on a golf course is 305 yards from the tee. On that hole, Marsha hooked her ball to the left, as sket

EleoNora [17]

Answer:

Correct answer is option D. 96.4 yd.

Step-by-step explanation:

Please refer to the attached figure for labeling of the given diagram.

ABC is a triangle with the following labeling:

A is the hole, B is the Tee and C is the point where the ball is.

Sides are labeled as:

$a =255\ yd\\c = 305\ yd\\\angle B =17^\circ$

To find:

Side $b = ?$

Solution:

Here, we have one angle and two sides . Third side of the triangle is to be found opposite to the given angle.

We can use cosine formula here to find the value of the unknown side.

$cos B = \dfrac{a^{2}+c^{2}-b^{2}}{2ac}$

Putting all the values:

$cos 17 = \dfrac{255^{2}+305^{2}-b^{2}}{2\times 255\times 305}\\\Rightarrow 0.956 = \dfrac{65025+93025-b^{2}}{155550}\\\Rightarrow 148753.2= 158050-b^{2}\\\Rightarrow b^{2}= 158050-148753.2\\\Rightarrow b^{2}= 9296.795\\\Rightarrow b= 96.42\ yd$

So, the distance between the Ball and hole is 96.42 yd

Correct answer is option D. 96.4 yd.

8 0

3 years ago

Help on this question explain my answer please!

Tresset [83]

0.12 x 70 = 8.4

12% of 70 is 8.4

5 0

3 years ago

I need help on this question right now

sukhopar [10]

Answer:

96 degrees

Step-by-step explanation:

5 0

3 years ago

Which set of measurements could be the side lengths of a triangle

inessss [21]

Answer:

Hi,

Step-by-step explanation:

(13,7,4) may not be a triangle since 13 is not little than 7+4=11
(7,10,8,) may be a triangle (7 < 10+8 , 10 < 7+8, 8 < 10+7)

(9,4,4) no since 9 is not < 4+4

(2,8,12) no since 12 is not < 2+8

The only answer is (7,10,8)

7 0

2 years ago

Using the slope formula, find the slope of the line through the points (0,0)and(5,15)

My name is Ann [436]

Answer:

y=3x

Step-by-step explanation:

hope this helps!

6 0

3 years ago