Mathematics, 26.04.2021 23:10 kappy10

PLEASE HELP 1. The plans for a house are drawn at a scale of 1/4 inch to 1 foot. If the bedroom is 9 feet wide, what is its width on the plan?

A. 5 in.
B. 36 in.
C. 2 1/4 in.
D. 9 1/4 in.

2. The scale of a town map is 1 inch to 3 miles. On the map, a lake and the downtown are 4 inches apart. What is the actual distance between the lake and the downtown?

A. 7 mi.
B. 3/4 mi.
C. 1/3 mi.
D. 12 mi.

3. On a drawing, the scale is 1 centimeter to 40 centimeters. Which of the following is not correct?
drawing length = 7 cm; actual length = 280 cm
actual length = 320 cm; drawing length = 8 cm
actual length = 160 cm; drawing length = 4 cm
drawing length = 9 cm; actual length = 350 cm

4. The length of a house on a blueprint is 4 inches, and the building itself is 32 feet long. If the width of the house is 40 feet, how wide is it on the blueprint?
28 in.
5 in.
10 in.
8 in.

5. The length of a house on a blueprint is 8 inches, and the building itself is 32 feet long. If the width of the house is 40 feet, how wide is it on the blueprint?
10 in.
4 in.
24 in.
8 in.

6. During the day, Lisa’s dog is tied by rope to a tree in the center of her yard. The scale drawing below shows the area that the dog has to run, in inches. If the actual length of the rope is 4 5/6 feet, what is the scale used in the drawing? (image below)

7. On the following scale drawing, the scale is 3 centimeters = 1 meter.
1. Make a new scale drawing of this rectangular figure using the scale 6 centimeters = 1 meter. Make sure to label the new dimensions.
2. What are the actual dimensions of the figure? (figure below)

8. In a pair of triangles, if two pairs of corresponding sides are proportional, and the angles in between the two pairs of corresponding sides are congruent, then the triangles are similar.
Triangle ABC is similar to triangle MNO. Solve for the value of the missing side. (image below)
A. x = 0.29 cm
B. x = 3.2 cm
C. x = 4.6 cm
D. x = 0.31 cm

PLEASE HELP

1. The plans for a house are drawn at a scale of 1/4 inch to 1 foot. If the bedroom i

Answers: 1

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Answers

Answer from: Quest

597

step-by-step explanation:

Answer from: Quest

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation:

Answer from: Quest

pi x^2

step-by-step explanation:

pi times x squared

Answer from: Quest

a. we have two

lines: y = 4-x and

y = 8-x^-1

given two simultaneous equations that are both to be

true, then the solution is the points where the lines cross. the intersection is

where the two equations are equal. therefore the solution that works for both

equations is when

4-x = 8-x^-1

this is where the two lines will cross and that is the

common point that satisfies both equations.

b. 4-x = 8-x^-1

x 4-x 8-x^-1

-3 7

8.33

-2 6 8.5

-1 5 9

0 4

1 3

2 2

7.5

3 1 7.67

the table shows that none of the x values from -3 to 3 is

the solution because in no case does

4-x = 8-x^-1

to find the solution we need to rearrange the equation to

find for x:

4-x = 8-x^-1

multiply both sides with x:

4x-x^2 = 8x-1

x^2+4x-1=0

x= -4.236, 0.236

therefore there are two points that satisfies the

equation.

find y:

x=-4.236

y = 4-x = 4 – (-4.236)

= 8.236

y = 8-x^-1 = .236)^-1

= 8.236

x=0.236

y = 4-x = 4 – (0.236) = 3.764

y = 8-x^-1 = 8-(0.236)^-1

= 3.764

thus the two lines cross at 2 points:

(-4.236, 8.236) & (0.236, 3.764)

c. to solve

graphically the equation 4-x = 8-x^-1

we would graph both lines: y = 4-x and y

= 8-x^-1

the point on the graph where the lines cross is the

solution to the system of equations.

just graph the points on part b on a cartesian coordinate

system and extend the two lines. the

solution is, as stated, the point where the two lines cross on the graph.

step-by-step explanation:

mark brainliest!

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