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Zepler [3.9K]
2 years ago
5

Find the area. Simplify your answer.

Mathematics
1 answer:
Colt1911 [192]2 years ago
7 0

Answer:

x = 26

Step-by-step explanation:

it is a right angle so

(x+4)3=90

3x+12=90

-12         -12

3x = 90-12

3x = 78

/3       /3

x = 26

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NEED ASAP How much wrapping paper is needed to wrap a box were all sides measure 5 inches ?
ollegr [7]

Answer: it depends on a wrapping paper

Step-by-step explanation:

5 0
2 years ago
the sum of the reciprocals of two consecutive even integers is 9/40. this can be represented by the equation shown 1/x + 1/(x+2)
Ivanshal [37]

Answer:

  8, 10

Step-by-step explanation:

Multiplying the equation by the product of the denominators, we have ...

  40(x+2) +40x = 9x(x+2)

  80x +80 = 9x^2 +18x . . . . eliminate parentheses

  9x^2 -62x -80 = 0 . . . . . . put in standard form

  9x^2 -72x +10x -80 = 0 . . . prepare to factor by grouping

  9x(x -8) +10(x -8) = 0 . . . . . factor pairs of terms

  (9x +10)(x -8) = 0

Solutions are ...

  x = -10/9  and  x = 8

The integers are 8 and 10.

_____

<em>Comment on the attachment</em>

I find a graphing calculator to be a nice tool for solving these. It finds zeros easily, so writing the equation so it equals zero is a useful first step.

5 0
3 years ago
What is the rate of change between the point (0,0)and (2,100)
Ivenika [448]
The answer would just be 50/1 or just 50
8 0
2 years ago
HELP I WILL GIVE BRAINIEST
Sholpan [36]

Answer:

sorry I can only answer no.3

4x - 2 = 180 \\ 4x = 180  + 2 \\ 4x + 3x = 182 \\  \frac{7x}{7}  =  \frac{182}{7}  \\ x = 26

7 0
3 years ago
A 1414​-ft ladder leans against a wall at a point 55 feet above the ground. how far is the bottom of the ladder from the​ wall?
viva [34]
Assume ladder length is 14 ft and that the top end of the ladder is 5 feet above the ground.

Find the distance the bottom of the ladder is from the base of the wall.

Picture a right triangle with hypotenuse 14 feet and that the side opposite the angle is h.  Then sin theta = h / 14, or theta = arcsin 5/14.  theta is

0.365 radian.  Then the dist. of the bot. of the lad. from the base of the wall is 

14cos theta = 14cos 0.365 rad = 13.08 feet.  This does not seem reasonable; the ladder would fall if it were already that close to the ground.

Ensure that y ou have copied this problem accurately from the original.

7 0
3 years ago
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