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rewona [7]
3 years ago
9

HELP PLEASE !?!? I suck at math

Mathematics
1 answer:
Anna35 [415]3 years ago
7 0
To graph the equation, plot a few points then connect then with a line.

f(x) = 440 - 55x

Plug in numbers for x to get the y value.

f(0) = 440
f(1) = 385
f(2) = 330
f(3) = 275
f(4) = 220
f(5) = 165

So when you graph these points, the y intercept is y = 440 because the graph crosses the y axis at (0, 440).

The x intercept is where the graph crosses the x axis. This happens when y = 0.

0 = 440 - 55x. Solve for x.

55x = 440
x = 8

So the x intercept is x = 8




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Pleaseee helppppppppppppppppppp
quester [9]

To find Angle A we use cosine

cos ∅ = adjacent / hypotenuse

From the question

The adjacent is 17

The hypotenuse is 38

So we have

cos A = 17/38

A = cos-¹ 17/38

A = 63.4

<h3>A = 63° to the nearest degree</h3>

To find Angle C we use sine

sin ∅ = opposite / hypotenuse

From the question

The opposite is 17

The hypotenuse is 38

So we have

sin C = 17/38

C = sin-¹ 17/38

C = 26.57

<h3>C = 27° to the nearest degree</h3>

Hope this helps you

7 0
3 years ago
A packing box measures 36 centimeters by 14 centimeters by 20 centimeters. What is the volume of the box?
natima [27]

Answer:

1000

Step-by-step explanation:

first you times 36 by 14 witch equals 54. Then do 54 x 20 = 1000 the 4 is gone because of the zero. So your answer should be 1000

6 0
3 years ago
-12-x&gt;-12+4x<br> put the steps too pls thanks
andrey2020 [161]

Answer:

x < 0

Step-by-step explanation:

Firstly put the values with variable x to one side,

; -12 - x > -12 + 4x

; -12 + 12 > 4x + x

; 0 > 5x

then divide both sides by 5,

; (0 ÷ 5) > (5x ÷ 5)

; 0 > x

; Hence the solution to the inequality above,

; x < 0...always remember to reverse the sign when you change the side to which you put the variable of x,

Therefore...( x < 0 )

3 0
3 years ago
Use a half-angle identity to find the exact value of sin pi/8
riadik2000 [5.3K]
Use a half-angle identity to find the exact value of sin pi/8

6 0
3 years ago
Read 2 more answers
Factor -25x - 5.<br> A. -5(5x+1)<br> B. -5(5x^2+1)<br> C. -5(5x^2+2)<br> D. -5x(25x+5)
VARVARA [1.3K]
Factor out common  term - 5 :

- 25 x - 5 = 

- 5 ( 5 x + 1 )

Answer A
5 0
3 years ago
Read 2 more answers
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