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belka [17]
2 years ago
7

HELP I NEED HELP!!!!

Mathematics
2 answers:
bija089 [108]2 years ago
7 0

Answer:a

Step-by-step explanation:

Darya [45]2 years ago
5 0

Answer:i dont knowwwww

Step-by-step explanation:

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The angle of rotation at which point A’ coincidences point
anygoal [31]

Answer:

216 degrees

Step-by-step explanation:

Given that ABCDE is a regular pentagon.

Hence each angle would equal = {2(5)-4}/5 right angles

=6(90)/5 =108 degrees

Since regular pentagon rotation will not disturb the shape.

When counterclockwise rotated, if 108 degrees rotated A would become E.

For another 108 degrees A would come to D

Hence angle required for rotation for A to coincide with D = 2(108)

=216 degrees

8 0
3 years ago
Solve the inequality 4t^2 ≤ 9t-2 please show steps and interval notation. thank you!​
FromTheMoon [43]

Answer: t\in [\dfrac{1}{4},2]

Step-by-step explanation:

Given

Inequality is 4t^2\leq9t-2

Taking variables one side

\Rightarrow 4t^2-9t+2\leq0\\\Rightarrow 4t^2-8t-t+2\leq0\\\Rightarrow 4t(t-2)-1(t-2)\leq0\\\Rightarrow (4t-1)(t-2)\leq0

Using wavy curve method

t\in [\dfrac{1}{4},2]

3 0
2 years ago
3 3/4 divide 2 1/12<br><br><br> sssss
dybincka [34]
3 3/4 divide 2 1/12 = 1.8


8 0
3 years ago
Find length and width .the lenght is 10 times as long as the width.P=308
patriot [66]

<span>Width(height): x
length of rectangle: 10x 
perimeter: width +width +length +length = 308 inches
or ------- 2width+2length=308
2x+2(10x)=308
2x+20x=308
22x=308</span>

<span>
x=14 the width is 14 inches 
length:
10x
10*14
140 inches 
ANSWER: 
Length:140 inches
Width: 14 inches</span>

8 0
3 years ago
I WILL GIVE 100 POINTS IF YOU ANSWER THE QUESTIONS BELOW
charle [14.2K]

Answer:

BRO I HAVE THE SAME QUESTION I NEEEED HELP

Step-by-step explanation:

5 0
2 years ago
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