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Gennadij [26K]
3 years ago
15

Quadrilateral WXYZ has vertices W(-3, 4), X(1, 8), Y(8, 7) and Z(-2, -3). The quadrilateral is an isosceles trapezoid.

Mathematics
1 answer:
harkovskaia [24]3 years ago
7 0
False, because if you put on a graph paper, it wouldn’t work
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The area of a rectangle is 72 cm2. State the dimensions of the rectangle with the least perimeter. Calculate the perimeter.
Nitella [24]
We know that
<span>Of all the rectangles having same area, square has the least perimeter
</span>
area of square=x²
where
x is the length side of the square
A=72 cm²
72=x²
x=√72-----> x=6√2 cm

Perimeter of square=4*x------> 4*(6√2)-----> P=24√2 cm
P=33.94 cm

the answer is
the perimeter is equal to 24√2 cm or 33.94 cm

5 0
3 years ago
If c(x)=x-2 what is the value of x if c(x)=3.5
dsp73

Answer:

5.5 = x

Step-by-step explanation:

c(x)=x-2

3.5 = x-2

Add 2 to each side

3.5+2=x-2+2

5.5 = x

3 0
3 years ago
Use the table below of the function f(x) = x4 − 2x3 to answer this question: What is the average rate of change from x = −1 to x
stealth61 [152]
F (1) - f (-1)  / 1- (-1) = -1 -3 / 1+1 = -4/2 = -2 

/ are fractions the equal signs should break them up, hope this helps.
3 0
3 years ago
What are the slope and one point on the graph of y-4/9(x+7)
Pavlova-9 [17]
Not linear.

Do you want the graph? 

I'm confused...
5 0
3 years ago
A heated piece of metal cools according to the function c(x) = (.5)^x − 11, where x is measured in hours. A device is added that
Goryan [66]

Answer:

The temperature of metal after five years =  -18.96875

Step-by-step explanation:

Given : Function c(x) = (0.5)^x-11

where x is measured in hours

Another function is added h(x)=-x-3

therefore, the resultant function f(x)=h(x)+c(x)

f(x) = (0.5)^x-11-x-3

For x=5

f(5) = (0.5)^5-11-5-3

f(5) = (0.03125)-19

f(5) = -18.96875

Therefore, The temperature of metal after five years = -18.96875

5 0
3 years ago
Read 2 more answers
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