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Margaret [11]
3 years ago
14

NEED HELP MATH!!! 7TH GRADE

Mathematics
1 answer:
Semmy [17]3 years ago
8 0
The scale drawing's measurements will be 1 inch by 0.8 inch.

The scale is 1 in: 10 feet; because the deck's real width is 10 ft, the scale can read 1 inch. To evaluate the width: 1/10 = x/8

Cross multiply:
1*8 = 10*x
8 = 10x


Divide both sides by 10:
8/10 = 10x/10
0.8 = x

The scale drawing's width would be 0.8 inches.
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10. Plot and connect the points to form a rectangle. Then find the length, width, and area of the rectangle.
stellarik [79]

The length of the rectangle is 4

The width of the rectangle is 3.

The area of the rectangle is 12 square units.

Explanation:

Given that the coordinates of the rectangle are A(3,0), B(0,0), C(0,4), D(3,4)​

We need to determine the length, width and area of the rectangle.

<u>Length:</u>

After plotting the coordinates in the graph, it is obvious that the length of the rectangle is 4.

<u>Width:</u>

After plotting the coordinates in the graph, it is obvious that the width of the rectangle is 3.

<u>Area of the rectangle:</u>

The formula to determine the area of the rectangle is given by

Area=length \times width

Substituting the values, we have,

Area=4\times 3=12

Thus, the area of the rectangle is 12 square units.

4 0
3 years ago
find the surface area of a cylinder with a height of 5 yd and a base diameter of 6 yd use the value 3.14 for pi​
den301095 [7]

Answer:

A≈150.8yd²

d Diameter  6yd

h Height  5yd

Solution

A=2πd

2h+2π(d

2)2=2·π·6

2·5+2·π·(6

2)2≈150.79645yd²

Step-by-step explanation:

7 0
3 years ago
What would the slope intercept equation of the line shown below​
Olenka [21]

Answer:

y = -2x - 4.

Step-by-step explanation:

The points marked are (-2,0) and (0,-4).

The slope of line =  (-4-0) / (0- -2)

= -4/2 = -2.

The y-intercept is at y = -4,

so the equation required is y = -2x - 4.

3 0
3 years ago
Read 2 more answers
Question 10 of 13
marissa [1.9K]

The best-fitting regression model for the scatter plot is exponential curve , Option C is the right answer.

The missing graph is attached with the answer.

<h3>What is an exponential graph ?</h3>

An exponential graph is given by y = aˣ , the graph for an exponential growth is also attached with the answer,

From the graph given in the question it can be concluded that it is not linear , not quadratic and it is not true that it doesn't have a pattern , It is an exponential growth graph, Therefore Option C is the right answer.

To know more about Exponential Graph

brainly.com/question/9834848

#SPJ1

8 0
2 years ago
8. A cylinder has a radius of 3in and a height of 7in. What is its volume? I don’t know
klemol [59]

Answer: 197.92

Step-by-step explanation:

3 0
3 years ago
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