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dem82 [27]
3 years ago
13

Please answer this asap

Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0

Answer:

C

(8)(-5)

Just multiply, 8 x -5 = -40

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Figures A and B at right are similar. Assuming that figure A is the original figure, find the scale factor and find the lengths
AnnZ [28]

The scale factor is: 1/5.

The missing sides of figure B are: 2.4, 3.6, and 4.

<h3>How to find Scale Factor?</h3>

Scale factor = dimension of new figure / dimension of original figure

The polygons given are shown in the diagram attached below.

Figure A is the original figure

Figure B is the new figure.

x, y, and z has been used to mark the missing sides of figure B.

One dimension of original figure = 15

Corresponding dimension of the new figure = 3

Scale factor = new/original = 3/15

Scale factor = 1/5

To find the missing sides of figure B, multiply each corresponding side lengths of Figure A by the scale factor:

x = 12 × 1/5 = 2.4

y = 18 × 1/5 = 3.6

z = 20 × 1/5 = 4

In summary:

The scale factor is: 1/5.

The missing sides of figure B are: 2.4, 3.6, and 4.

Learn more about scale factor on:

brainly.com/question/2826496

3 0
3 years ago
One winter day, the outside temperature, y, was never below −1°. The inside of a car was always warmer than the temperature outs
sammy [17]

Answer:

The correct option is;

On a coordinate plane, 2 straight lines are shown. The first solid line is horizontal to the y-axis at y = negative 1, Everything above the line is shaded. The second dashed line has a positive slope and goes through (0, negative 4) and (2, negative 2). Everything above and to the left of the line is shaded

Step-by-step explanation:

The inequality representing the first line is y ≥ -1

The inequality representing the second line is y > x + 4

Therefore, the first line is a solid horizontal line with the shaded region above the line

The second line is a line with a broken line with positive slope slope with the shaded region being above the line and to the left

4 0
3 years ago
Read 2 more answers
Please help ! select all that apply.
nadezda [96]

Answer:

All expect the first one

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
7. Cindy is paid $7.00 an hour for a regular 35-hour week. She receives overtime pay
Sergio [31]

Answer:$1 she’s poor

Step-by-step explanation:

3 0
3 years ago
Electrical resistance ina wire is directly proportional to its length and inversely proportional to the square of its diameter.
LenaWriter [7]
Initial Conditions:

length=L= 10 cm = (10*10⁻²)m
Diameter=D= 2 cm= (2*10⁻²)m
Radius= r= 0.01m
Area=A= π*r²/2 =1.57*10⁻⁴ m²

Resistance=R= 600 ohm
 
So, from initial conditions we find resistivity(р)
                                       R=рL/A
                                       R*A /L=р
                                      (600)*(1.57*10⁻⁴)/(10*10⁻²)=р
                                       р=0.942 Ω m
<span>As, material remains same so resistivity(p) doesn't change

 </span>Lenght= L1= 15 fm= 15*10⁻¹⁵ m
Diameter= D1 = 5 cm= 5*10⁻² m
Radius= r= 0.025 m
Area= A1= π*r²/2 =9.8125*10⁻⁴ m²
                                               R=р*L1/A1
                                               R=(0.942 )*(15*10⁻¹⁵ )/(9.8125*10⁻⁴)
                                               R=1.44*10⁻¹¹ Ω
3 0
3 years ago
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