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Georgia [21]
3 years ago
12

-1 + -4 I also need a example thank you everyone for your help

Mathematics
2 answers:
Step2247 [10]3 years ago
6 0

Answer:

-5

Step-by-step explanation:

-1 +-4=-5

trasher [3.6K]3 years ago
4 0

Answer:

THE ANSWER YOU WOULD GET IS -5

BECAUSE THE BIGGEST NUMBER ALSO HAS A NEGATIVE SO THE ANSWER WOULD BE NEGATIVE

Step-by-step explanation:

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The exact value of cos 13pi/8 is
Naily [24]

Answer:

answer is : Cos(13pi/8) = 0.3826  

Step-by-step explanation:

We have, Cos (13pi/8)

Since 13pi/8 can be shown as 3pi/2 < 13pi/8 < 2pi

Hence 13pi/8 lies on fourth quadrant.

In fourth quadrant cosine will be positive.

Cos (13pi/8) = cos(3pi/2 + pi/8)

applying formula cos(A+B) = cos A cosB - sinAsinB

i.e Cos(3pi/2 + pi/8) = cos(3pi/2)cos(pi/8) - sin(3pi/2)sin(pi/8)

∵ Remember cos(3pi/2) =0 , sin(3pi/2) = -1

     Cos(3pi/2 + pi/8) = 0 cos(pi/8) - (-1)sin(pi/8)

     Cos(3pi/2 + pi/8) = 0  + 0.3826

      Cos(3pi/2 + pi/8) = 0.3826

Hence we got Cos(13pi/8) = 0.3826                          

6 0
3 years ago
Read 2 more answers
Please help me solve this, and show your work
zlopas [31]

6r+5=11r\ \ \ \ |\text{subtract 6r from both sides}\\\\5=5r\ \ \ \ |\text{divide both sides by 5}\\\\\boxed{r=1}\\-------------------------\\\dfrac{2x-4}{2}=6x+3\\\\\dfrac{2x}{2}-\dfrac{4}{2}=6x+3\\\\x-2=6x+3\ \ \ \ \ |\text{add 2 to both sides}\\\\x=6x+5\ \ \ \ |\text{subtract 6x from both sides}\\\\-5x=5\ \ \ \ \ |\text{divide both sides by -5}\\\\\boxed{x=-1}

6 0
3 years ago
B(0, 6), C(2,-5), D(-8, -1),<br> Least to greatest
Viktor [21]

Step-by-step explanation:

D,C,B

4 0
3 years ago
three notebooks and 4 binders are $9.00. two notebooks and 4 binders cost $8.00. how much does a binder cost?
Goryan [66]
$1.50 (please mark brainliest)
4 0
2 years ago
2x+5y=85 can be used to model how much money will Tim spent on x sodas and y sandwich’s if he brought 15 sodas how many sandwich
Inessa05 [86]
Tim would have bought 11 sandwhiches and 15 sodas.

8 0
3 years ago
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