2 years ago

Write the expression as the sin or cosine of an angle. sin pi/3 cos pi/7 - sin pi/7 cos pi/3

1 answer:

5 0

sin(4π21). Explanation: Notice that this fits the form of the sine subtraction formula: sin(A−B)=sin(A)cos(B)−cos(A)sin(B).

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How do you find the radius of a circle if its area is 706.9 square millimeters

kozerog [31]

The answer is R=15

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2 years ago

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For a school fundraiser, Mai will make school spirit bracelets. She will order bead wiring and alphabet beads to create the scho

Ket [755]

Answer: Total number of bracelet: 235

Step-by-step explanation:

Given:

Total budget= $1,500

Spend on wire = $250

Per braclet beads = $5.30

Find:

Total number of bracelet

Computation:

Total number of bracelet = [1,500 - 250]

Total number of bracelet = [1,250/ 5.30

Total number of bracelet = 235.849

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2 years ago

As an estimation we are told £3 is €4.

poizon [28]

Answer:

€113.87

Step-by-step explanation:

Amount = £85.40 * €4/£3 = €113.87.

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3 years ago

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prohojiy [21]

Answer:Secondary sources are works that analyze, assess or interpret an historical event, era, or phenomenon, generally utilizing primary sources to do so. Secondary sources often offer a review or a critique. Secondary sources can include books, journal articles, speeches, reviews, research reports, and more.

Step-by-step explanation:

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2 years ago

Using a compass, construct an accurate copy of triangle DEF. Check that EF = 4.6 cm.

MaRussiya [10]

Step-by-step explanation:

construct 90° then measure 4.6 cm and draw a line from F to D

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