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steposvetlana [31]
3 years ago
6

Anyone know this will mark brain.....pic below..

Mathematics
1 answer:
Naddika [18.5K]3 years ago
7 0

Answer:

15x + 30y - 220

Step-by-step explanation:

(30 \times  \frac{1}{2} x ) + (30 \times  - 2) + (40 \times  \frac{3}{4} y )+( 40 \times  - 4)

= 15x - 60 + 30y - 160

= 15x + 30y - 60 - 160 \\  = 15x  + 30y - 220

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Please can someone help my assignment​
Bond [772]

Answer:

1st ka b and 2nd ka b hoga by simplification

4 0
3 years ago
What is the exact distance from (-5, 1) to (3,0)? (4 points)
frez [133]

Answer:

The exact distance is √65 units

Step-by-step explanation:

To solve this problem we first have to make the difference between (-5, 1) and (3, 0)

(3 , 0) - (-5 , 1) =

3 - (-5) = 8

0 - 1 = -1

(8 , -1)

Now that we have the distance in x and r we can use Pythagoras to calculate the distance of the diagonal

a = 8

b = -1

h² = a² + b²

h² = 8² + (-1)²

h² = 64 + 1

h² = 65

h = √65

The exact distance is √65 units

4 0
3 years ago
Find the perimeter of this semi-circle with radius, r = 12cm. Give your answer as an expression in terms of π .
Naddika [18.5K]

Answer:

12π

Step-by-step explanation:

Perimeter of the semi-circle:

\frac{2 \times 12 \timesπ }{2}  = 12π

4 0
3 years ago
Two consecutive numbers that lie between the square root of 10
saul85 [17]

Answer:

3, 4

Step-by-step explanation:

9 < 10 < 16

=> sqrt(9) < sqrt(10)<sqrt(16)

=> 3 < sqrt(10) < 4

4 0
3 years ago
R(x) = -x -7 when x = -2,0, and 5<br><br>r(-2)= <br><br>r(0)= -7<br><br>r(5)= ​
erastovalidia [21]

Answer:

r (-2)= -(-2)-7

=+2-7=-5

5 0
3 years ago
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