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Nady [450]
3 years ago
15

How do you work the picture out?

Mathematics
1 answer:
FrozenT [24]3 years ago
5 0

Answer:

24cm²

Step-by-step explanation:

Perimeter of rectangle ABCF = 20 cm

One of the sides AB = 6 cm (AB)(Let it be L)

other side of Rectangle=B.

Perimeter of Rectangle = 2 (Length + width)

20 = 2(L+W) = 2(6 + W)

\frac{20}{2}=6+B

10=6+B

B =  10-6

B = 4 cm

Width of Rectangle, W = 4 cm (BC)

Length of side of trapezium, CD = BD - BC = 9 - 4 = 5 cm

And length of EF = 3 cm

Area of Trapezium = \frac{1}{2}×(CD+EF)×CF

\frac{1}{2}×(5+3)×6

\frac{8}{2}×6

4×6=24

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Ierofanga [76]
Y=20
y=30
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it could really be anything greater than or equal to 18
5 0
3 years ago
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When a family with two adults and three children bough the tickets for an amusement park, the young paid a total of $56.50. the
vitfil [10]
2a+3c=56, a+4c=49.50

     2a+3c=56.00
 -2(a+4c=49.50)
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2z+3c=56
-2a-8c=99
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0+-5c=-43
     -5c=-43
      c= -43/-5
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now take c and plug the answer into the first equation: 2a+3c=56, 2z+3(8.60)=56,  2z+25.80=56,  2a=56-25.80,  2a= 30.20, a=30.20/2, adult tickets =15.10
4 0
3 years ago
Question 3
alexira [117]

Answer: when x = 7, y = 16

Step-by-step explanation: Here, we know that y varies inversely as x.

When we have two sets of inversely related coordinates, x₁ and y₁,

and x₂ and y₂, we can use the product rule, shown below,

to find the missing value.

<h2>x₁ y₁ = x₂ y₂</h2><h2 />

Here, we know that y = 14 when x = 8 so

one set of coordinates will be 8 and 14.

We want to know the value of y when x = 7.

So our other coordinates will be 7 and y.

So we have (8)(14) = (7)(y).

Simplifying, (8)(14) is equal to 112 and (7)(y) is equal to 7y.

So we have 112 = 7y.

Now we simply solve for y by dividing both sides of the equation by 7.

The 7's on the right side cancel out and

on the left, 112 divided by 7 is equal to 16.

So we have 16 = y.

So when x is equal to 7, y is equal to 16.

7 0
3 years ago
Solve for x: 5x+3y=15
Gnoma [55]

Answer:

y = (-5/3)x - 5

Step-by-step explanation:

5x + 3y = =15

slope intercept for is: y = mx + b

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divide both sides by 3:

y = (-5/3)x - 5

8 0
3 years ago
Does point 16.75.335 make sense in this context
puteri [66]
Yes it dose make sense that was a good question
8 0
3 years ago
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