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Alex777 [14]
3 years ago
7

HELP ASAP PLEASEEEE​

Mathematics
1 answer:
kupik [55]3 years ago
7 0
-0.1, -0.2,10 hope this helped
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Identify the area of a regular pentagon with side length 15 cm rounded to the nearest tenth. NEED HELP ASAP
n200080 [17]

Answer:

I believe the answer to be 387.11

Step-by-step explanation:

A=1/4√5(5+2√5) a°2=1/4√5•(5+2•√5)•15°2=387.10742 cm°2

Rounded= 387.11

8 0
2 years ago
Find the equation of the secant line through the points where x has the given values. f(x) = x2 + 2x; x = 4, x = 6
devlian [24]

Answer:

  12x -y = 24

Step-by-step explanation:

You want a line through points (4, f(4)) and (6, f(6)). Evaluating the function, we find the points are (4, 24) and (6, 48). In the 2-point form of the equation for a line, we find ...

  y = (y2 -y1)/(x2 -x1)(x -x1) + y1

  y = (48 -24)/(6 -4)(x -4) +24 . . . . filling in the values

  y = 12(x -4) +24 . . . . . . one form of the equation for the secant

  12x -y = 24 . . . . . . . . . . standard form equation of the line

__

The slope-intercept form of the equation is ...

  y = 12x -24

8 0
3 years ago
I WILL GIVE BRAINLIEST AND POINTS PLEASE I NEED TO PASS !!!!!!
WITCHER [35]
The answer is D, 14...
7 0
3 years ago
Use the diagram to find the height of statue.round to the nearest tenth
jeyben [28]

Answer:

7.3 ft

Step-by-step explanation:

The information given represents a right angle triangle with the following:

reference angle = 52°

Adjacent side length = 5.7 ft.

Opposite side length = height of the statue = h

Applying the trigonometric ratio formula, we would have:

tan(52) = \frac{h}{5.7}

Multiply both sides by 5.7

tan(52) \times 5.7 = \frac{h}{5.7} \times 5.7

tan(52) \times 5.7 = h

h = 7.3 ft (nearest tenth)

6 0
3 years ago
Please help! Will give brainly, 50 points!! I'm stuck with this question and I don't get it!!
Anton [14]

His answer was (x- +2) (x^2-9)

a) His mistake was he has x^2 in one of the parenthesis, to be fully factored you cannot have an exponent as part of the answer.

b) x^3 - 9x + 2x^2 -18

Reorder the terms:

x^3 +2x^2 -9x -18

Group the first two terms and the last two terms

(x^3 + 2x^2) -9x-18

Factor out the greatest common factor from each group:

x^2(x+2) - 9(x+2)

Factor the polynomial by factoring out the common factor once x+2:

(x+2) (x^2-9)

Rewrite 9 as 3^2:

(x+2) (x^2-3^2)

Factor one last time:

(x+2) (x+3) (x-3)

3 0
3 years ago
Read 2 more answers
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