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Artemon [7]
3 years ago
8

Use​ Gauss's approach to find the following sums​ (do not use​ formulas). a. 1+2+3+4+...+98

Mathematics
1 answer:
Blababa [14]3 years ago
6 0
Here ya go im 90% sure this is the right answer enjoy!

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The measures of two angles in a triangle are 32o and 78o. Which of the following equations could be used to find the measure of
Korvikt [17]

Answer:

32+78+x=180

Step-by-step explanation:

All triangle angles add up to 180, so add 78 and 32 then subtract it from 180 to get x, which in another form is 32+78+x=180.

6 0
3 years ago
Read 2 more answers
A particular model rocket kit uses the scale 1:144. The actual rocket is 168 ft tall. How tall will the model rocket be when com
zlopas [31]

Answer:

1.16ft tall.

Step-by-step explanation:

168/144= 1.16 ft tall

or rounded to the nearest number = 1.20 ft.

7 0
3 years ago
PLEAS HELP ASAP :)))))
Jet001 [13]

Answer:

18 inches

Step-by-step explanation:

54*1/3=18(inches)

8 0
2 years ago
What is −809 in radians? I tried -809pi/180 but it was marked incorrect
GalinKa [24]

Answer:

-14.120 Radians

Step-by-step explanation:

To convert, use this angle degrees to radians formula:

Radians = Degrees x ( Pi / 180)

Try using this formula

6 0
3 years ago
If a radioactive isotope has a half-life of 6 hours and 12 milligrams is initially present, how much will
Serhud [2]

Answer:0.75 milligrams will  be present in 24 hours

Step-by-step explanation:

Step 1

The formula for radioactive decay can be written as

N(t)=No (1/2)^(t/t 1/2)

where

No= The amount of the radioactive substance at time=0=milligrams

t 1/2= the half-life= 6 hours

t=24 hours

N(t) = the amount at time t

Step 2--- Solving

N(t)=No (1/2)^(t/t 1/2)

=N(t)=12 x ( 1/2) ^ (24/6)

= 12 x (1/2) ^4

= 12 x 0.0625

= 0.75 milligrams

3 0
2 years ago
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