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PtichkaEL [24]
3 years ago
14

Help me so confused?

Mathematics
1 answer:
Eva8 [605]3 years ago
7 0

BD is 31 degrees because it is the same.

ADB is 90-31 because it is a right angle ( 59 degrees)

DEC is 180 - (31*2) because the 180 is of the trangle and the 31 is the same on the other side so times 2 then removed from 180

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Jessica has a circular birdbath in her backyard with a radius of 1.25 feet. She wants to place a decorated border around the cir
Alexxandr [17]

Answer:

The total cost is <em>28.26.</em>

Step-by-step explanation:

The radius of the birdbath is <em>1.25 feet.</em>

The cost per foot is <em>3.6</em> .

<em>The formula for perimeter of circle is given by,</em>

<em>= 2πR , where R is the radius of circle.</em>

Inserting the above value of radius in the equation above,

circumference = 2(π)(1.25) = 2(3.14)(1.25) = 7.85 ft^{2}

Thus the total cost is,

= (7.85)(3.6) = 28.26

4 0
2 years ago
4 students is ____% of 20 students
Rudiy27

Answer:

20%

Step-by-step explanation:

20 * 20% = 4

or you can change it to a decimal

20 * .2 = 4

hope this helped! :)

3 0
2 years ago
find the equation of a line that passes through (-3,1) and (-1,-2) and write it in standard form. please help me !
Savatey [412]
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now use the slope and either point to write in point slope form
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8 0
3 years ago
O curso de inglês de Carolina teve duração de 4 semestres e 2 meses . quantos tempo durou esse curso de Carolina ?
Afina-wow [57]

Answer:

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Write 0.452 as a percent. Round to the nearest whole number.
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Step-by-step explanation:

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3 years ago
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