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crimeas [40]
4 years ago
6

Jessica is measuring two line segments. The first line segment is 30 cm long. The secon line segment is 500mm long. In centimete

rs. how long are the two line segments together?
Mathematics
1 answer:
igor_vitrenko [27]4 years ago
7 0
Well 500 mm = 50 cm so if you add both segments together you will get a 50+30=80cm segment
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How many digits are written when 1000 to the power of 2015 is expressed as a numeral?
PtichkaEL [24]

Answer: There are 6046 digits will be written on expansion upto 2015th power.

Step-by-step explanation:

Since we have given that

1000^{2015}

We have to find the number of digits ,

So,

1000^{2015}\\\\=(10^3)^{2015}\\\\=10^{6045}

Since we know that

10^n\text{ has n+1 number of digits }

so,

10^{6045}\text{ has 6046 number of digits }

Hence, there are 6046 digits will be written on expansion upto 2015th power.

6 0
3 years ago
I need help plz guys asap
loris [4]

Answer:

the answer is 36

Step-by-step explanation:

what you have to do is add 20 and 16 and it will give you the answer

4 0
3 years ago
Read 2 more answers
The difference of two numbers, a and b, is 21. The difference of 5 times a and two times b is 18. What are the values of a and b
sineoko [7]
a-b=21 \ \ \ |\times (-2) \\
5a-2b=18 \\ \\
-2a+2b=-42 \\
\underline{5a-2b=18 \ \ \ \ \ \ \ } \\
5a-2a=18-42 \\
3a=-24 \ \ \ |\div 3 \\
a=-8 \\ \\
a-b=21 \\
-8-b=21 \ \ \ |+8 \\
-b=29 \ \ \ |\times (-1) \\
b=-29

a is equal to -8, b is equal to -29.
6 0
3 years ago
Read 2 more answers
A spinner has many equal sections of different colors. The probability that the spinner will not land on a
olchik [2.2K]

Answer:

B 66%

Step-by-step explanation:

100% (total) - 34% (P(not landing on blue)) = 66%

3 0
3 years ago
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the sum of the measures of the three angles in any triangle is 180 degrees the measure of the smallest angle of the CERN triangl
dmitriy555 [2]
I don't really know how to explain this but I know my answer is correct.

The smallest angle is 16
The medium size angle is 32
The largest angle is 132

If we let S, M, and L be variables, we can make the following equations
S = 1/2 M
M = 2 S
L = 8 S + 4
L + M + S = 180

If you plug in 16 for S, everything falls into place


7 0
4 years ago
Read 2 more answers
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