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3 years ago

Hi help hi help hi help in the picture

Mathematics

2 answers:

Kryger [21]3 years ago

5 0

Answer:

Step-by-step explanation:

slope=(11-0)/(2-0)=11/2=5.50

eq. of line through (0,0) is

y-0=5.50(x-0)

y=5.50 x

put x=b,y=p

p=5.50 b

ELEN [110]3 years ago

4 0

Answer:

the third one :)

Step-by-step explanation:

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What is -20 + 1/2 in a decimal form

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Answer: The answer is -19.5

Step-by-step explanation: This is because 1/2 is .5 in decimal form. A negative PLUS a positive = is negative since the -20 is larger than .5

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3 years ago

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The half-life of the radioactive element unobtanium-43 is 10 seconds. If 48 grams of unobtanium-43 are initially present, how ma

natka813 [3]

Answer:

At time, 10 seconds, the mass remaining is 24 grams

At time, 20 seconds, the mass remaining is 12 grams

At time, 30 seconds, the mass remaining is 6 grams

At time, 40 seconds, the mass remaining is 3 grams

At time, 50 seconds, the mass remaining is 1.5 grams

Step-by-step explanation:

Given;

initial mass of the radioactive element = 48 grams

half life, t = 10 seconds

time of decay (s) remaining mass of the radioactive element

0 ------------------------------------------------- 48 grams

10------------------------------------------------- 24 grams

20 ------------------------------------------------- 12 grams

30 -------------------------------------------------- 6 grams

40 --------------------------------------------------- 3 grams

50 ----------------------------------------------------- 1.5 grams

60------------------------------------------------------0.75 grams

Thus;

At time, 10 seconds, the mass remaining is 24 grams

At time, 20 seconds, the mass remaining is 12 grams

At time, 30 seconds, the mass remaining is 6 grams

At time, 40 seconds, the mass remaining is 3 grams

At time, 50 seconds, the mass remaining is 1.5 grams

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3 years ago

If mÃc=170° Find mLB

kenny6666 [7]

Answer:

∠ B = 85°

Step-by-step explanation:

the inscribed angle B is half the measure of its intercepted arc AC , then

∠ B = $\frac{1}{2}$ × 170° = 85°

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1 year ago

The engine life for a certain brand of lawn mower is modeled by the function f(h) = 50 - 1 3 h where h represents hours used. Wh

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Answer: C. Engine life decreases steady with time.

Step-by-step explanation:

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Answer: 15 cm

Step-by-Step Explanation:

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1 year ago

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