3 years ago

In ΔPQR, r = 870 cm, p = 410 cm and ∠Q=142°. Find ∠R, to the nearest degree.

Mathematics

1 answer:

lutik1710 [3]3 years ago

8 0

Answer: 26

Step-by-step explanation:

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The distance between two towns on a map varies directly with the actual distance between the towns.

Hitman42 [59]

Answer: 220 miles

Step-by-step explanation:

(150 miles)/(7.5 inches) = 20 miles/inch

(20 miles/inch)*(11 inches) = 220 miles

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3 years ago

Sarah, amy and liam stand on some weighing scales two at a time.here are the measurements:sarah and amy 70kgsarah and liam 80kgl

OLga [1]

A+s=70, s+l=80, l+a=80

from the first s=70-a which makes the second:

70-a+l=80

-a+l=10

a=l-10 which makes the third:

l+l-10=80

2l-10=80

2l=90

l=45

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4 years ago

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kotegsom [21]

Answer:

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Step-by-step explanation:

if you multiply 7 × 3.5 you get the awnser

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3 years ago

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6. Sales tax is 8%. What will be the sales tax on a purchase of $12.50?

Alekssandra [29.7K]

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$13.50

Step-by-step explanation:

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3 years ago

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If 9/a = 7/a², then a=?

lions [1.4K]

Answer:

$\frac{7}{9}$

Step-by-step explanation:

$\frac{9}{a} = \frac{7}{a^{2}}$

$9.a^{2} = 7a$

9a = 7

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Hope this helps ^-^

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3 years ago