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snow_tiger [21]
2 years ago
7

(-247.43)(-5) = (-1)(247.43)-1)(5)

Mathematics
2 answers:
krok68 [10]2 years ago
7 0

Answer:

(-1)(247.43)(-1)(5) = (-1)(-1)(247.43)(5)

Step-by-step explanation:

key answer

steposvetlana [31]2 years ago
6 0
1237.15=1237.15

There will be no negative number
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The usual price of a sweatshirt is 18$, what is its sale price
german

Answer:

$19.08

Step-by-step explanation:

18 + 6% = (18 x 1.06) = 19.08

8 0
3 years ago
1.5d+3=-4.5 what does D equal
vagabundo [1.1K]

Answer:

d = − 5

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

7 0
3 years ago
Read 2 more answers
What are the exact values of sin(2π3radians) and cos(2π3radians)
deff fn [24]
We know that
2π/3 radians-------> convert to degrees-----> 2*180/3---> 120°
120°=90°+30°

Part a) Find <span>sin(2π/3)
</span>sin(2π/3)=sin (90°+30°)
we know that
sin (A+B)=sin A*cos B+cos A*sin B
so
sin (90°+30°)=sin 90*cos 30+cos 90*sin 30
sin 90=1
cos 30=√3/2
cos 90=0
sin 30=1/2
sin (90°+30°)=1*√3/2+0*1/2-----> √3/2

the answer part a) is
sin(2π/3)=√3/2

Part b) Find cos (2π/3)
cos (2π/3)=cos (90°+30°)
we know that
cos (A+B)=cos A*cos B-sin A*sin B
so
cos (90°+30°)=cos 90*cos 30-sin 90*sin 30
sin 90=1
cos 30=√3/2
cos 90=0
sin 30=1/2
cos (90°+30°)=0*√3/2-1*1/2----> -1/2

the answer part b) is
cos (2π/3)=-1/2
8 0
2 years ago
Mike bungee jumped from a building with eight stories. Each story was 15 4/5 feet in height. How tall was the building?
attashe74 [19]
15 4/5 x 8 = 126.4
ANSWER: 126.4 ft.
5 0
3 years ago
Read 2 more answers
The perimeter of a triangle is 28 feet. One side of the triangle is 5 feet longer than the second side. The third side is 8 feet
Hitman42 [59]

side one is 5 side two is 10 and the third side is 13. 28 is not divisible by three so if one side i 5 ft longer and another side is 8 ft longer then you add them 5+8=13 then subtract 13 from the perimeter 28-13=15 then divide 15 by 3 and get 5 5 5. add 5 (5+5) (5+8).

7 0
3 years ago
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