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andriy [413]
3 years ago
11

The diagram shows a rectangle.

Mathematics
1 answer:
frutty [35]3 years ago
5 0

Answer:

42cm²

Step-by-step explanation:

It is actually 7cm by 6cm

You are taking 2 x 0.5cm  of the smaller sides rectangles which is 1. This leaves us with 6 x 7 = 42cm²

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Which expression can be simplified to find the slope of the trend line in the scatterplot?
Nutka1998 [239]

Answer:  \frac{35-21}{8-4}

Step-by-step explanation:

The slope of a line equals to the difference between points' y-coordinates divided by the difference between their x-coordinates.

That is, if (x_1,y_1) and (x_2,y_2) are the point of a line,

Then the slope of the line is,

m=\frac{y_2-y_1}{x_2-x_1}

By the given diagram,

x_1=4, y_1=21, x_2=8 and y_2=35

Thus, the slope of the given line

= \frac{35-21}{8-4}

⇒ Fourth option is correct.

3 0
3 years ago
Read 2 more answers
Complete the function f(x)=2x-5
Grace [21]

Replace X in the equation with the values in the table and calculate:


2X-5:

2(-4) -5 = -8 -5 = -13

2(-2)-5 = -4-5 = -9

2(1)-5 = 2-5 = -3

2(3)-5 = 6-5 = 1

2(5)-5 = 10-5 = 5

7 0
3 years ago
A moving truck states that it holds 300 cubic ft of boxes. The truck is 25 ft in length and 8 ft in height. What is the width of
Kay [80]

Answer: 100

Step-by-step explanation: 300-(25x8)=

                                             300-200= 100

                                                     

5 0
3 years ago
Determine the lateral and total surface area of the pyramid.
Umnica [9.8K]

Answer:                      

Lateral surface area = 45.5

Total surface area = 60.2

Step-by-step explanation: To find the lateral surface area, we first need to find the surface area of one triangle. For the triangle on the right/left, you multiply 3.5*5.8, which equals 20.3. Since this is a triangle, we multiply the product (20.3) by 1/2. The answer is 10.15. Since there are two triangles with the same dimensions as this, we multiply 10.15 by 2, which equals 20.3. For the triangle on the top/bottom, we multiply 4.2*6, which equals 25.2. Since this is a triangle again, we multiply 25.2 by 1/2. The answer is 12.6. Since there are two triangles with the same dimensions as this, we multiply 12.6 by 2, which equals 25.2. Now we add 20.3 + 25.2, which equals 45.5. This is the lateral surface area.

To find the total surface area, we now need to find the area of the base as well. To do so, we multiply 4.2 by 3.5, which equals 14.7. Now we add 45.5, the area of all the triangles, with 14.7, the area of the base. The answer is 60.2.

I hope this helps!

6 0
3 years ago
H(t)=-16t^2+64t+80, what does t equal
Kamila [148]

Answer:

h(t)=64

i hope this helps

5 0
3 years ago
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