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Sati [7]
3 years ago
13

Evaluate the following expression 20/ 2 + 8

Mathematics
1 answer:
vitfil [10]3 years ago
3 0

Answer:

18

Step-by-step explanation:

20/2 + 8

Divide the numerator and denominator by 2

20 / 2

2 / 2

Divide the numbers

10

2 / 2

=

10 / 1

Any expression divided by 1 remains the same

10 + 8 = 18

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Fiesta28 [93]

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2 years ago
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How much time is in 7:30 to 9:29
s344n2d4d5 [400]
My answer would be two hour and 30 min.
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3 years ago
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A roofer leaned a 16-foot ladder against a house. If the base of the ladder is 5 feet from the house, how high up the house does
elixir [45]

Answer:

15.20feet

Step-by-step explanation:

Length of the ladder = 16foot (hypotenuse)

BAse of the ladder from the house = 5feet (adjacent)

height of the house = x (opposite)

Using the pythagoras theorem

hyp^2 = opp^2 + adj^2

16^2 = 5^2 + opp^2

256 = 25 + opp^2

opp^2 = 256-25

opp^2 = 231

opp =√231

opp = 15.20

Hence the house is 15.20feet high up the house

4 0
2 years ago
Divide. Express your answer in simplest form. <br>8/9 ÷ 8<br><br>○7 1/9 <br>○1/9 <br>○8/72 <br>○9​
Juliette [100K]

Answer:

1/9

Step-by-step explanation:

8/9 ÷ 8/1

8/9 x 1/8 = 8/72

The GCF for 8 and 72 is 8

\frac{8}{72}÷\frac{8}{8}=\frac{1}{9}

4 0
3 years ago
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In ΔABC, c = 630 inches, ∠C=165° and ∠A=11°. Find the length of a, to the nearest inch.
Dvinal [7]

Answer:

464

Step-by-step explanation:

Find other angle:

<B = 180 - 165 - 11 = 4

Then plug in (opposite sides go together):

\frac{a}{sin 11} = \frac{630}{sin 165}

a = \frac{630 sin 11}{sin 165} = 464.454 = 464

8 0
3 years ago
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