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Thepotemich [5.8K]
3 years ago
12

Please help ASAP, I need to answer this by the end of the day I need really need help!!!

Mathematics
1 answer:
RideAnS [48]3 years ago
4 0

Answer:

1. I believe some solutions could be x= -7, x= -8, x= -9 etc.

Step-by-step explanation:

2. If the inequality was -3x is greater than or equal to 18 then x and also be equal to x=6.

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58.15<br> If f(x) = 5x + 40, what is f(x) when x = -5?
Ket [755]

Answer:

15

Step-by-step explanation:

if you put x=-15

f(x) = 5*-5 +40

=-25+40

=15

7 0
3 years ago
Which angle is an x–intercept for the function y=cos(1/2x)? A. 0 B. pie/2 C. pie D. 2pie
Neporo4naja [7]

Answer:

For the function

y = cos(1/2 x)

The x-intercept can be calculated by equating the function to zero and solving for x. So,

y = cos(1/2 x) = 0

1/2 x = arc cos 0

1/2 x = 90° +180°n

x =2 (90° +180°n)

x = 180° + 360°n

or converting to radians

x = (180° + 360° n)(π/180°)

x = π + 2π n

where n is any whole number

if n = 0

x = π

Therefore, the x-intercept is π or π+2π n

Step-by-step explanation:

Plz give me brainleist worked hard thanks

6 0
2 years ago
Read 2 more answers
5 1/2+7 3/4 what is it​
Y_Kistochka [10]

42/6 but if you want to simplify, it's 7

6 0
3 years ago
Read 2 more answers
Make x the subject of Y=4x+3
AURORKA [14]
I’m not 100% sure this is correct, because I’ve never done these before, but try 12, this is the answer I got from a reliable app that I usually use
3 0
3 years ago
Write an equation parallel to 5x-4y=4 that passes through the point (-8,2)
ehidna [41]

Since the line is parallel, the same coefficients can be used for x and y. The constant on the right needs to change so that the given point will satisfy the equation.

... 5x - 4y = 5(-8) -4(2) = -40 -8 = -48

Your equation is

... 5x -4y = -48

4 0
3 years ago
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