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Marina86 [1]
4 years ago
6

Please help will give give brainliest.

Mathematics
2 answers:
IRINA_888 [86]4 years ago
8 0

..........................

tino4ka555 [31]4 years ago
3 0

<em>Answer:</em>

x=1

<em />

<em>Step-by-step explanation:</em>

To find x-intercept/zero, subsitute y = 0

0=-1x+1

When the terms has a coefficient of -1/ the number doesn't have to be written, but the sign remains

0=-x+1

Move variables to the left-hand side adn change its sign

X=1

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If you work overtime you will receive a time and a half for every hour over 40 hours I currently get paid 12.00 and hour I need
Alchen [17]
1.5×12=18
300÷18=16.6667
you need to work close to 17 hours to earn that much when rounded to the nearest number.
7 0
3 years ago
Which of the following are identities?
frosja888 [35]

Answer:

A and D.

Step-by-step explanation:

(sin(x-y))/(cosxcosy)

(sinxcosy - cosxsiny) / cosxcosy

=  sinx / cosx - siny/cosy

= tanx - tany.  

So A is an identity.

B.   (sin(x+y))/(sinxsiny)

= sinx cosy + cosx siny / sinxsiny

= cosy/siny + cosx/sinx

= 1/tany + 1/tanx which is not identical with 1-tanxtany.

C.  tan ( x - pi/4) =    ( tan x - 1) / (1 + tanx) : - not identical to tanx - 1.

D.  cos( x + (pi/6) = cosxcos(pi/6) - sinxsin(pi/6)

     =    0.866cosx - 0.5sinx

    - sin(x - (pi/3) = -(sinxcos(pi/3) - cosxsin(p/3))

     =   - (0.5sinx - 0.866cosx0

     = 0.866cos x - 0.5sinx.

which are identical.

4 0
3 years ago
I really need an answer asap! 15 points each!!
lesya692 [45]

It would take them 8.5 hours.

Explanation:

Since they are painting the room together, they would basically each paint half of the room. So if they were painting half of the room each, it would take them half of the time that it would

normally take each of them. Half of Sally's time is 3.5 hours. And half of John's time is 5 hours. When you add them together, you get 8.5 hours.

Hope this helps!

3 0
4 years ago
Trash-A-Way charges $25 per month with an additional $0.25 per pound of trash that they pick up from your house. Garbage-No-More
vovikov84 [41]

Answer:

look at the explanation

Step-by-step explanation:

Write an equation:

Trash a way : $25 + 0.25x

Garbage No More : $45 per month

so to make them equal we need to have enough trash in Trash A Way that it equals $45

25  + 0.25x =45

0.25x = 20

x = 80

So, you need to have 80 pounds of trash to make them equal

hope this helps!

please vote and heart!

8 0
3 years ago
Jan had 30 dollars saved for a new bike. This was one third of needed to save. how much does the bicycle cost?​
ludmilkaskok [199]

Answer:

90 dollars

Step-by-step explanation:

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8 0
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