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aniked [119]
3 years ago
10

Question

Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0

Answer:

-15

Step-by-step explanation:

(5*a*b*c) / (b) => (5*3*-4*-1) / (-4)

=> (60) / (-4)

=> -15

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Look at the following survey and then answer the question.
wolverine [178]

Answer:

c 32 out of 80 were surveyed

7 0
3 years ago
the large Square above has area 9 is divided into 9 smaller squares of equal area what is the length of how strong and bold
Kay [80]
If one square is divided into 9 smaller equal squares, then they have to be arranged in 3 lines of 3, that is 3 smaller equal squares per side of the original big square. That said, the area of the big square is equal to the multiplication of 3 small squares sides times 3 small squares sides, call x the length of the small squares.
So,
area = 9 = 3x*3x
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8 0
3 years ago
In ΔIJK, k = 57 inches, i = 37 inches and ∠J=141°. Find ∠I, to the nearest degree.
Sonbull [250]

Answer:

<I= 15degrees

Step-by-step explanation:

Using the cosine rule formulae;

j² = i²+k²-2i cos <J

j² = 37²+57² - 2(37)(57)cos <141

j² = 1369+ 3249- 4218cos <141

j² = 4618- 4218cos <141

j² = 4618-(-3,278)

j²= 7,896

j = √7,896

j = 88.86inches

Next is to get <I

i² = j²+k²-2jk cos <I

37² = 88.86²+57² - 2(88.86)(57)cos <I

1369 = 7,896.0996+ 3249- 10,130.04cos <I

1369 = 11,145.0996 - 10,130.04cos <I

1369 - 11,145.0996 = - 10,130.04cos <I

-9,776.0996=- 10,130.04cos <I

cos <I =9,776.0996 /10,130.04

cos<I = 0.96506

<I = 15.19

<I= 15degrees

8 0
2 years ago
Add: (7-5i) (-10+2i)
Mice21 [21]

Answer:

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5 0
3 years ago
Please help for test due today
krek1111 [17]
I don’t really know, but it could be b or c. If none then just pick a question :D
3 0
2 years ago
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