3 years ago

Please helpppp meeeee

Mathematics

2 answers:

Lilit [14]3 years ago

8 0

Answer:

Step-by-step explanation:

aalyn [17]3 years ago

7 0

Answer:

Step-by-step explanation: d I think

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In four years, 40% of a radioactive element decays. Find its half-life. Round to one decimal place.

White raven [17]

To find the answer, use $k = \frac{2.303 }{ 4} (log\frac {100 }{ 40})$ , and then use the equation $t=\frac{.693}{k}$ To find it's half life.

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How are the solutions to the following two equations related m+5=72 <br> m+72=5

EastWind [94]

To see how they are related, let us solve the two equations.

FIRST EQUATION

$m + 5 = 72$

$\rightarrow \: m = 72 - 5$

$\rightarrow \: m = 67$

SECOND EQUATION

$m + 72 = 5$

$\rightarrow \: m = 5 - 72$

$\rightarrow \: m = - 67$

Hence the solutions to the two equations are ADDITIVE INVERSE of each other.

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3 years ago

RT and GJ are chords that intersect at point H.

Lubov Fominskaja [6]

Answer:

Step-by-step explanation:

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Mrs. Kimpton had the students in her crafts class sew pillows. She inspected each pillow to make sure it was satisfactory before

Jobisdone [24]

Your answer would be 26. sorry if i'm wrong

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3 years ago

Solve for x. (have to add extra letters so the question works)

zloy xaker [14]

Answer:

x=11°

Step-by-step explanation:

-Sum of angles of a triangle should alway be 180 degrees

35+110+2+3x=180

-Add all known values

147+3x=180

-Subtract 147 from both sides

3x=33

-Isolate x by divind both sides by 3

x=11°

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3 years ago

Please helpppp meeeee​

Please helpppp meeeee