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Yuri [45]
3 years ago
15

PLEASE HEWP EASY SCIENCE BRIANLIST U CAN BE IF CORRECT

Mathematics
1 answer:
erik [133]3 years ago
4 0

Answer:

65kg

Step-by-step explanation:

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When 3(2x-5) is added to 2(4-x) the result is
enyata [817]
Hello,

3(2x-5)+2(4-x)
=6x-15+8-2x
=4x-7

7 0
3 years ago
Can you help me plsssssssssssss
Anvisha [2.4K]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the arc length of the semicircle?
myrzilka [38]

Answer:

The length of the semicircle arc is 6π

Step-by-step explanation:

To solve this problem we need to use the circumferenc formula of a circle:

c = circumference

r = radius = 12

π = pi

c = π * d

we replace with the known values

c = π * 12

c = 12π

The length of the circumference is 12π

N ow we divide the circumference by 2 and we will obtain the length of the arc of the semicircle

12π / 2 = 6π

The length of the semicircle arc is 6π

6 0
3 years ago
On a scale from -5 to 5 which numbers are smaller than 2
zlopas [31]

Answer:

The answer is -5, -4, -3, -2, -1, 0, 1.

Step-by-step explanation:

Because they are behind the number 2

4 0
3 years ago
Read 2 more answers
Can anyone help? <br><br>Give the answer in four significant figures.
Llana [10]
X + 0.5y = 3
x^2 - y = 15

from the first equation:-
0.5y = 3 - x
y = 6 - 2x

Substitute for y in second equation:-
x^2 - (6 - 2x) = 15
x^2 + 2x - 21 = 0
x  =  [-2 +/- sqrt((4 - 4*-21)] / 2
    = 3.6904 ,  -5.6904

Plugging in these into  first equation we get

3.6904 + 0.5y = 3  so y = 2(3-3.6904) =  -1.3808
-5.6904 + 0.5y = 3 so y = 2(3 + 5.6904) =  17.3808

Solution is  x = 3.690, y = -1.381  ;   x = -5.690, y = 17.38 ( to 4 s.f's)

5 0
3 years ago
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