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pav-90 [236]
2 years ago
8

8 9/10 into an improper fraction in lowest terms

Mathematics
1 answer:
jarptica [38.1K]2 years ago
3 0
Improper fractions have a greater numerator than the denominator:

8 = 8*(10/10) = 80/10

now add

8 + 9/10

80/10 + 9/10

(80 + 9)/10

89/10
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Read 2 more answers
Let x represent the measurement of an acute angle in degrees. The ratio of the complement of x to the supplement of c is 2:5. Gu
sergiy2304 [10]

<u>Answer:</u>

The ratio of the complement of x to the supplement of x is 2:5. The value of x is 30

<u>Solution:</u>

It is given that x represents the measurement of an acute angle in degrees.  It is also given that the ratio of the complement of x to the supplement of x is 2:5.  

Since it is given that x is an acute angle it means that it has to be less than 90.

Complement of an angle = 90 - x

Supplement of an angle = 180 - x

In this case it is given that the ratio of the complement of x to the supplement of x is 2:5

So we can write the relation as follows:

\begin{array}{l}{\frac{90-x}{180-x}=\frac{2}{5}} \\\\ {(90-x) \times 5=(180-x) \times 2} \\\\ {450-5 x=360-x) \times 2} \\\\ {450-560=5 x-2 x} \\\\ {90=3 x} \\\\ {x=\frac{90}{3}=30}\end{array}

Therefore the value of x is 30.

3 0
3 years ago
Could you tell me the answer please it is not multiple-choice
skad [1K]

Answer: a) 300000 b) 200 c) 20000

Step-by-step explanation:

Round so that there is only 1 sig. fig. in the answer

a) 300000 (rounded up to 300,000 not 280,000 as there would be 2 sig figs, 2 and 8)

b) 200 (rounded down)

c) 20000 (rounded up to 20,000 not 18,000 as there would be 2 sig figs, 1 and 8)

The trailing zeroes do not count as sig. figs. so the above answers all have only one sig. fig.

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2 years ago
Need more points ??? solve this .....only first part for 50 points .....and follow me also!​
leonid [27]

Answer:

see below

Step-by-step explanation:

i.

= √(3 + 4i)

= 2 + i

ii.

= √(-8 + 6i)

= √2(-4 + 3i)

iii.

= √(-40 - 42i)

= √-2(20 + 21i)

iv.

= √i

= √i

v.

= \sqrt{\frac{2 + 3i}{5 - 4i} } +\sqrt{\frac{2-3i}{5+4i} }

= \sqrt{\frac{-2+23i}{41} } +\sqrt{\frac{2-3i}{46} }

7 0
2 years ago
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