3 years ago

Can somebody help me

Mathematics

2 answers:

Effectus [21]3 years ago

8 0

Answer:

30°

Step-by-step explanation:

because this needs 180 angle so 150 (20+130)

180-150 equals 30

sammy [17]3 years ago

5 0

Answer:

30°

a full triangle is 180° so to find the missing angle you must add the two given angles (20°+130°) then take the answer away from 180° (180°-150°)

hence your answer is 30°

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Joe went shopping for a guitar in Fairfax. He purchased one originally priced at $240 but discounted 80%. If sales tax in Fairfa

puteri [66]

Answer:

$52.44

Step-by-step explanation:

So here is the explanation. $240•.80= 192 (80% as a decimal is .80) 240-192=48. 48•.0925=4.44 which you add 48, and get a sum of $52.44

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adoni [48]

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ivann1987 [24]

Answer:

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8 0

3 years ago

PLEASE HELP ME RN PLEASE

Advocard [28]

Answer:

$\frac{n^{2} - 1 }{2}$

$\sqrt{29}$

Step-by-step explanation:

Area of triangle=1/2×b×h

$\frac{1}{2} \times (n - 1)(n + 1)$

$\frac{( {n}^{2} + n - n - 1) }{2 }$

$\frac{ {n}^{2} - 1 }{2}$

2. Area of triangle=14

$\frac{ {n}^{2} - 1 }{2} = 14$

${n}^{2} - 1 = 28$

${n}^{2} = 29$

$n = \sqrt{29}$

please rate well and mark BRAINLIEST.

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3 0

2 years ago

The ratio of the side lengths of a quadrilateral is2:3:5:6, and its perimeter is 48 cm. what is the length of the longest side

inessss [21]

6 times 8 is 48 and don't be lake

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3 years ago