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Anastaziya [24]
3 years ago
5

40 Points!!

Mathematics
2 answers:
zloy xaker [14]3 years ago
8 0
Decagon = 10 sides or 10 angles
Total angle is equal to 360°

360° ÷ 10 = 36°

I haven't seen the image of A, that is why, I started with angle A as 36°

∠A = 36°
∠B = 36° + 36° = 72°
∠C = 72° + 36° = 108
∠D = 108° + 36° = 144°
∠E = 144° + 36° = 180°
∠F = 180° + 36° = 216°
∠G = 216° + 36° = 252°
∠H = 252° + 36° = 288°
∠I = 288° + 36° = 324°
∠J = 324° + 36° = 360°
kotykmax [81]3 years ago
4 0

d: 108

f: 180

h; 252

i; 288

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Answer:

To provide a situation of 1 and O, here is a situation

Step-by-step explanation:

The acceleration would be 1.  

If the acceleration is 10 m/s, the object will gain more speed.

On the other hand, if the acceleration is -10m/s, then the object will lose speed.

In the case of 1, the object gained more speed, in the case of 0, the object will lose speed.

4 0
3 years ago
Given f(x)=-2x-1, solve for x when f(x)=-7
Svetlanka [38]

Answer:

The answer is -15.

Step-by-step explanation:

1. 2x - 1

2. 2(-7) - 1

3. (-14) - 1

4. -15

By plugging in our x value, we are able to use PEMDAS to  multiply 2 and the value of x and then, we subtract 1 from the value we got from step 3 to get -15.

5 0
3 years ago
3 Ximena draws an X shape in the coordinate plane as shown. Draw the images of
VARVARA [1.3K]

When a shape is rotated, it must be rotated around a point.

<em>See attachment for the image of each rotation.</em>

To do this, the top coordinates of the X shape will be transformed using the appropriate rotation rule; the same rule will then be applied to the other parts of the X shape.

The top coordinates of the X shape are:

A = (0,0)

B = (1,0)

C = (3,0)

D =(4,0)

For 90 degrees counterclockwise rotation, the rule is:

(x,y) \to (-y,x)

So, we have:

A' = (0,0)

B' = (0,1)

C' = (0,3)

D' = (0,4)

For 180 degrees rotation, the rule is:

(x,y) \to (-x,-y)

So, we have:

A' = (0,0)

B' = (-1,0)

C' = (-3,0)

D' = (-4,0)

For 270 degrees counter rotation, the rule is:

(x,y) \to (y,-x)

So, we have:

A' = (0,0)

B' = (0,-1)

C' = (0,-3)

D' = (0,-4)

See attachment for the image of each rotation

Read more about rotations at:

brainly.com/question/1571997

3 0
3 years ago
point (4,4),(4,0), and (0,0) are the vertices of the triangle the enclosed whole squares and half squares on the grid. determine
Advocard [28]

Answer:

8

Step-by-step explanation:

finding the area is h x l x 1/2. The h is 4 and the l is also 4. That multiplied is 16. Multiply that by 1/2 and you get 8

6 0
3 years ago
What’s 93+(68 + 7) properties
elena55 [62]

Answer:

93+(68+7)= 168

Step-by-step explanation:

You have to answer the problem in the parenthesis and then add 93.

6 0
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