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3 years ago

Plz solve this questionFind the measure of unknown angles

Mathematics

2 answers:

eduard3 years ago

7 0

Answer:

1360

Step-by-step explanation:

I know because I get all a's but then again I might be wrong I didn't take my time so sorry

zavuch27 [327]3 years ago

3 0

Answer:

x = 110°

Step-by-step explanation:

∠ QRS = ∠ YRT = 110° ( vertically opposite angles )

∠ PQR = 180° - 120° = 60° ( adjacent angles )

The sum of the interior angles of a quadrilateral = 360°

Sum the angles and equate to 360°, that is

110 + 60 + x + 80 = 360

250° + x = 360° ( subtract 250° from both sides )

x = 110°

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If Mark reads 18 pages less per day than originally planned, he will need 5 extra days to finish the book. If he reads 24 pages

JulijaS [17]

Answer:

Total number of pages is 540.

Step-by-step explanation:

Let mark read x be he number of pages per day and d be the number of days to finish the book.

Total number of pages = xd

Mark reads 18 pages less per day than originally planned, he will need 5 extra days to finish the book.

$(x-18)(d+5)=xd$

$xd+5x-18d-90=xd$

$5x-18d=90$ .... (1)

He reads 24 pages less per day, he will need 8 extra days to finish.

$(x-24)(d+8)=xd$

$xd+8x-24d-192=xd$

$8x-24d=192$

$x-3d=24$ ... (2)

Subtract 5 times of equation (2) from equation (1).

$5x-18d-5(x-3d)=90-5(24)$

$5x-18d-5x+15d=90-120$

$-3d=-30$

$d=10$

Substitute d=10 in equation (1).

$5x-18(10)=90$

$5x-180=90$

$5x=90+180$

$5x=270$

Divide both sides by 5.

$x=54$

Total number of pages

$xd=(54)(10)=540$

Therefore , the total number of pages is 540.

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Step-by-step explanation:

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4 years ago

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What’s the value of x? G 53° 45 H x°

Kazeer [188]

Answer:

x = 98°

Step-by-step explanation:

95 + 53 + (180 - x) = 180

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328 - x + x = 180 + x

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x + 180 - 180 = 328 - 180

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7 0

3 years ago

Plz solve this questionFind the measure of unknown angles​

Plz solve this questionFind the measure of unknown angles