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statuscvo [17]
3 years ago
14

How do you solve for x?

Mathematics
1 answer:
vodomira [7]3 years ago
6 0

Answer:

x = 8

Step-by-step explanation:

The two angles are complementary angles, which means they add to 90 degrees

6x + (4x+10) = 90

Combine like terms

10x+10 = 90

Subtract 10 from each side

10x+10-10=90-10

10x = 80

Divide each side by 10

10x/10=80/10

x = 8

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A rubber of length 89m is cut into 3 equal pieces. What is the length of each piece.
borishaifa [10]

Answer: i dont see the answer listed. The answer is 29 ²/₃m

Step-by-step explanation:

89m long piece of rubber is cut into 3 pieces. In other words, divided into 3 pieces.

89m ÷ 3 = 29.66666666m

Which concerts to 29²/₃m

4 0
2 years ago
For how many integers $n$ is it true that $\sqrt{n} \le \sqrt{4n - 6} < \sqrt{2n + 5}$?
ale4655 [162]

\bf \sqrt{n}\leqslant \sqrt{4n-6}

\bf \sqrt{n}< \sqrt{2n+5}\implies \stackrel{\textit{squaring both sides}}{n< 2n+5}\implies 0\leqslant 2n - n + 5 \\\\\\ 0 < n+5\implies \boxed{-5 < n} \\\\\\ \stackrel{-5\leqslant n < 2}{\boxed{-5}\rule[0.35em]{10em}{0.25pt}0\rule[0.35em]{3em}{0.25pt}2}


namely, -5, -4, -3, -2, -1, 0, 1.  Excluding "2" because n < 2.

6 0
3 years ago
3 distance questions:
zhuklara [117]
This one actually made me think. I like your teacher.

2h 30min (2.5)×30mph=75m
1h 30min (1.5)x50mph=75m

1 hour longer when driving to Arkansas

______________________________


11h 12min (11.2)×300mph=3360m
4h 48min (4.8)×700mph=3360m


11h 12min from NY to Paris.
7 0
3 years ago
What is the sum of 4/10 + 55/100
neonofarm [45]
4/10 = 40/100

40/100 + 55/100 = 95/100

95/100 is your answer

simplest form: 19/20

hope this helps
4 0
2 years ago
Read 2 more answers
What is the sum of 1 and opposite of 12
likoan [24]
The opposite of 12 is -12 . To add negative<span> numbers to </span>positive<span> numbers count backwards, as if you were subtracting.  We have the problem: 1+ (-12). This can be read as “one </span>plus negative<span> twelve.” This can also be read as 12-1 which is 11 so the answer is 11.</span>
5 0
3 years ago
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