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Arte-miy333 [17]
3 years ago
12

Plz help By today evening

Mathematics
1 answer:
PIT_PIT [208]3 years ago
3 0

Answer:

Wednesday night game

Step-by-step explanation:

-9 is less than -3

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F the angle of elevation from the point on the ground to the top of the tree is 34° and the point is 25 feet from the base of th
Viktor [21]

<u>Given:</u>

The angle of elevation from the point on the ground to the top of the tree is 34° and the point is 25 feet from the base of the tree.

We need to determine the height of the tree.

<u>Height of the tree:</u>

Let the height of the tree be h.

The height of the tree can be determined using the trigonometric ratio.

Thus, we have;

tan \ \theta=\frac{opp}{adj}

Substituting the values, we get;

tan \ 34^{\circ}=\frac{h}{25}

Multiplying both sides by 25, we have;

tan \ 34^{\circ} \times 25=h

 0.6745 \times 25=h

       16.8625=h

Rounding off to the nearest tenth of a foot, we get;

16.9=h

Thus, the height of the tree is 16.9 feet.

Hence, Option B is the correct answer.

7 0
3 years ago
Slope please help will mark brainliast ​
lesantik [10]
<h2>Slope Definition</h2>

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line. Slope is often denoted by the letter m; there is no clear answer to the question why the letter m is used for slope, but its earliest use in English appears in O'Brien (1844) who wrote the equation of a straight line as "y = mx + b" and it can also be found in Todhunter (1888) who wrote it as "y = mx + c".

Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line. Sometimes the ratio is expressed as a quotient ("rise over run"), giving the same number for every two distinct points on the same line. A line that is decreasing has a negative "rise". The line may be practical - as set by a road surveyor, or in a diagram that models a road or a roof either as a description or as a plan.

The steepness, incline, or grade of a line is measured by the absolute value of the slope. A slope with a greater absolute value indicates a steeper line. The direction of a line is either increasing, decreasing, horizontal or vertical.

A line is increasing if it goes up from left to right. The slope is positive, i.e.

A line is decreasing if it goes down from left to right. The slope is negative,

If a line is horizontal the slope is zero. This is a constant function.

If a line is vertical the slope is undefined (see below).

The rise of a road between two points is the difference between the altitude of the road at those two points, say y1 and y2, or in other words, the rise is (y2 − y1) = Δy. For relatively short distances, where the earth's curvature may be neglected, the run is the difference in distance from a fixed point measured along a level, horizontal line, or in other words, the run is (x2 − x1) = Δx. Here the slope of the road between the two points is simply described as the ratio of the altitude change to the horizontal distance between any two points on the line.

In mathematical language, the slope m of the line is

The concept of slope applies directly to grades or gradients in geography and civil engineering. Through trigonometry, the slope m of a line is related to its angle of incline θ by the tangent function

Thus, a 45° rising line has a slope of +1 and a 45° falling line has a slope of −1.

As a generalization of this practical description, the mathematics of differential calculus defines the slope of a curve at a point as the slope of the tangent line at that point. When the curve is given by a series of points in a diagram or in a list of the coordinates of points, the slope may be calculated not at a point but between any two given points. When the curve is given as a continuous function, perhaps as an algebraic formula, then the differential calculus provides rules giving a formula for the slope of the curve at any point in the middle of the curve.

This generalization of the concept of slope allows very complex constructions to be planned and built that go well beyond static structures that are either horizontals or verticals, but can change in time, move in curves, and change depending on the rate of change of other factors. Thereby, the simple idea of slope becomes one of the main basis of the modern world in terms of both technology and the built environment.

Hope this helps! <3

4 0
3 years ago
A random sample of 184 students at South High School were surveyed on whether they would prefer going to a movie or a concert. T
agasfer [191]

Answer:

42% of the students prefer a concert over a movie.  

A greater ratio of 11th graders prefer a concert to a movie.

The difference in the percent of students who prefer a movie over a concert is16%.  

Step-by-step explanation:

              10th   11th   12th   total

movie       .18    .16     .24    .58

concert     .15     .18     .09   .42

total           .33     .34    .33    1

The marginal relative frequency for 10th graders is 0.18.   This is an incomplete statement

The marginal frequency is a number not a percent

42% of the students prefer a concert over a movie.   42% preferred a convert to the 58% who preferred a movie.  True

A greater ratio of 11th graders prefer a concert to a movie. 18/100 concert to 16/100 for the movie for 11th graders

18:16  This is true

More 12th graders were surveyed than any other grade level.

There were more 11th graders surveyed (34%) to (33%) for 12 graders False

The difference in the percent of students who prefer a movie over a concert is16%.  True

4 0
3 years ago
Read 2 more answers
Find each unit rates 3 pillows for $45
mafiozo [28]

Answer:

$15

Step-by-step explanation:

You know that 3 pillows = $45

So you have to divide 45 by 3 to get the unit rate.

45÷3=15

6 0
3 years ago
Read 2 more answers
0.1 x 1.6 decimals xd
SVEN [57.7K]
The answer should be 0.16
8 0
3 years ago
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