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Gnoma [55]
2 years ago
15

Help pls!! Find the area

Mathematics
1 answer:
Dima020 [189]2 years ago
8 0

Answer:

17.5 for perpendicular triangle

Step-by-step explanation:

A= 1/2 ( b*h )

A= 1/2 ( 7*5)

A= 1/2 ( 35)

A= 17.5

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The angle of elevation from a viewer to the center of a fireworks display is 55°. If the viewer is 75 yards away from where the
notka56 [123]

Answer:

107.1075 yards

Step-by-step explanation:

To solve this problem, we can imagine a triangle, where one of the angles is 55 degrees, the adjacent cathetus is 75 yards, and we want to know the opposite cathetus (the height of the center of the display, "h").

The relation between opposite and adjacent cathetus is the tangent, so:

tan(55) = h/75

tan(55) = 1.4281, so:

h/75 = 1.4281

h = 75*1.4281 = 107.1075 yards

5 0
2 years ago
A factor of the quadratic 6x2-11x-35
mihalych1998 [28]
Factor 6x^2-11x-35

6x^2-11x-35


= (3x+5)(2x-7)

Answer: (3x+5)(2x-7)
4 0
3 years ago
Read 2 more answers
Help for free brainlyest
galina1969 [7]

Answer:

#1 should be -22/7

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Justin launches a rocket straight up into the air. The table below gives the height(t) of the rocket (in meters) at a few times
Papessa [141]

Using it's formula, the average rates of change are given as follows:

a) 30 meters per second.

b) -10 meters per second.

<h3>What is the average rate of change of a function?</h3>

The average rate of change of a function is given by the <u>change in the output divided by the change in the input.</u> Hence, over an interval [a,b], the rate is given by the following equation:

r = \frac{f(b) - f(a)}{b - a}

For item a, taking the data from the table, we have that:

  • f(0) = 0.
  • f(4.6) = 138.

Hence the rate is given as follows:

r = (138 - 0)/(4.6 - 0) = 30 meters per second.

For item b, taking the data from the table, we have that:

  • f(9.2) = 23.
  • f(11.5) = 0.

Hence the rate is given as follows:

r = (0 - 23)/(11.5 - 9.2) = -10 meters per second.

More can be learned about the average rate of change of a function at brainly.com/question/11627203

#SPJ1

3 0
1 year ago
What is 3 times x =43
Inessa [10]

Answer:

3x=43

x=43÷3

x=14.35(appro)

Step-by-step explanation:

First divide 3 by 43

THEN you will find the Answer

3 0
3 years ago
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