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3 years ago

Man I became an expert and still won't let me msg people

Mathematics

1 answer:

Diano4ka-milaya [45]3 years ago

8 0

AFTER YOU ANSWER 1000 OR MORE QUESTIONS

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John wants to measure the width of a stream using the methods he has learned in geometry. He puts a stake in the ground opposite

otez555 [7]

John's method to determine the width of the stream uses the knowledge

that the tangent of 60° is approximately 1.7.

The proper sequence John would use to find the width of the stream are;

Step 1; John drives a stake opposite the tree to establish a line between two points

Step 2; John uses a compass to walk away from the stakes at a right angle

Step 3; On the path John walks until he finds a line of sight to the tree that equals 60 degrees

Step 4; John drives a second stake in the ground

Step 5; John measures the the distance between the two stakes

Step 6; John multiplies the distance between the two stakes by 1.7 to find the distance.

Reasons:

The steps that can be used to measure the width of the stream are;

Step 1: Drive a stake opposite the tree on the other side of the stream.

Step 2: With the aid of a compass, walk at right angles to the line formed by the stake and the tree.

Step 3; Keep walking along the previous path till a point is reached where the angle formed between the line of site to the tree and the walk path is 60°.

Step 4; At the point where the line of sight to the tree is 60°, a second stake is driven in the ground.

Step 5; Measure the distance between the stakes that are placed in the ground.

Step 6; Given that by trigonometry, the ratio of the width of the stream to the distance between the two stakes is tan(60°) ≈ 1.7, multiply the distance between the two stakes by 1.7 to find the width of the stream.

$\displaystyle tan(60^{\circ}) = \mathbf{\frac{Width \ of \ stream}{Distance \ between \ stakes}}$

The possible question options are;

John measures the the distance between the two stakes

John uses a compass to walk away from the stakes at a right angle

John multiplies the distance between the two stakes by 1.7 to find the distance

John drives a second stake in the ground

On the path John walks until he finds a line of sight to the tree that equals 60 degrees

John drives a stake opposite the tree to establish a line between two points.

Learn more about trigonometric ratios here:

brainly.com/question/13276558

3 0

3 years ago

Image attached down bellow

notka56 [123]

Answer:

Step-by-step explanation:

4 0

3 years ago

Which value from the set (5,7,9,11,13) make inequality w-4<8 true?

ira [324]

Answer:

5,7,9,11

Step-by-step explanation:

8 0

3 years ago

If theta is a positive acute angles find theta when 2 sin^2 theta + 3 cos theta =3

MArishka [77]

Answer:

Theta = 0, 60 degrees.

Step-by-step explanation:

2 sin^2 theta + 3 cos theta = 3

Using the identity sin ^2 theta = 1 - cos^2 theta :

2(1 - cos^2 theta) + 3 cos theta = 3

2 - 2cos^2 theta) + 3 cos theta = 3

2 cos^2 theta - 3 cos theta + 3 - 2 = 0

2 cos^2 theta - 3 cos theta + 1 = 0

(2 cos theta - 1)(cos theta - 1) = 0

cos theta = 1/2 , cos theta = 1

Theta = 60 degrees or theta = 0

6 0

3 years ago

Julie had 3 1/3cups of flour. A brownie recipe called for 2 2/3 cups of flour. If Julie made one

BartSMP [9]

Answer:

2/3

Step-by-step explanation:

Subtract 2 2/3 from 3 1/3 to determine how much flour she'll have left over.

$3 \frac{1}{3} - 2 \frac{2}{3} = \frac{2}{3}$

2/3 of flour is left over after making one batch of brownies.

8 0

2 years ago