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JulijaS [17]
4 years ago
9

Could someone please help me

Mathematics
2 answers:
BartSMP [9]4 years ago
8 0

Answer:

x=16°

y=25°

Step-by-step explanation:

7x=112

x=112/7

x=16

90+y=115

y=115-90

y=25

Triss [41]4 years ago
4 0
X=16
Y= 25

7x=112
X=112/7

X=16
90+y=115
Y=115-90
Y=25
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Cos(2x) - 3cos(x) + 2= 0 ??
alexandr1967 [171]
Ignore above
your equation is 2(cosx)^2-3cosx+1=0
use quadratic formula to get results
you will end up with
cosx=1 or cosx=1/2
so, x=0 or x=pi/3

3 0
4 years ago
17) 2(6n – 8)<br> Use distributive
kramer
2(3n-4)
Divide the whole equation by 2
3 0
3 years ago
what is the volume of this box if the volume is scaled down to 1/10? the original volume is 528 and the length is 11 inches the
ankoles [38]

Answer:

Step-by-step explanation:

I assume the box is a rectangular figure

Volume, V=L*W*H

V=11*8*6=528 in^3

528*1/10=52.8 in^3

4 0
3 years ago
Complete the equation of the line through <br> (2,1)<br> and <br> (5,−8)
Alex73 [517]

Answer:

y = -3x + 7

Step-by-step explanation:

First calculate the slope which I will assign the variable m

slope = m = (y2-y1)/(x2-x1)

m = (-8-1)/(5-2)

m = -9/3

m = -3

Next, using the slope we just found, pick either point and plug into the point slope equation: (I like the first point better so I am going to use that one)

y-y1 = m(x-x1)

y-1 = -3(x-2)

y-1 = -3x + 6

y = -3x + 7

6 0
3 years ago
Calebs kayak is 12 3/5 feet long. Ava's kayak is 20 2/5 feet long. How much longer is Ava's kayak?
nataly862011 [7]
You can just subtract them seperatly like this:
20-12=8
2/5-3/5= -1/5
Since its negative, you have to take 1 off of the final answer and put 4/5 so the answer is 7 4/5

Another way is making it a decimal
12 3/5= 12.6
20 2/5= 20.4

20.4-12.6= 7.8
7.8=7 4/5
6 0
3 years ago
Read 2 more answers
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