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alex41 [277]
3 years ago
13

Need help solving this problem

Mathematics
2 answers:
lapo4ka [179]3 years ago
5 0
I can’t answer if I can’t see the options for the question
Kipish [7]3 years ago
4 0

Answer:

What type of problem are you asking? Math, English, Computer, etc.

Step-by-step explanation:

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Will give brainliest to right answer please help!! 15 points -A sample of a radioactive isotope had an initial mass of 370 mg
Alex777 [14]

Answer:

78 mg

Step-by-step explanation:

370 mg - 110 mg = 260 mg (amount decayed in the 8 total years)

260 mg ÷ 8 years = 32.5 mg decayed per year

32.5 × 9 years (years between 2008 and 2017) = 292.5 mg

370 mg - 292.5 mg = 77.5 mg, rounded to 78 mg

4 0
3 years ago
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Please help me asap thanks !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
saveliy_v [14]

Answer:

the correct answer would be d.

Step-by-step explanation:

These lines should be straight line, since they have no slope.

8 0
2 years ago
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These two figures are similar. Find the length of side y.
TiliK225 [7]
3.2 is the Length of y 7.5 is the length of z and the length of x is 12.5
6 0
2 years ago
How must m2 be changed to keep the lines parallel?
Anna [14]

Answer:

bring the lines side by side ( example || )

Step-by-step explanation:

3 0
3 years ago
find the equation of a straight line passing through the point (3,3) which is perpendicular to the line y=-1/2x-4
Mars2501 [29]

Answer:

y = 2x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - \frac{1}{2} x - 4 ← is in slope- intercept form

with slope m = - \frac{1}{2}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{1}{2} } = 2, thus

y = 2x + c ← is the partial equation

To find c substitute (3, 3) into the partial equation

3 = 6 + c ⇒ c = 3 - 6 = - 3

y = 2x - 3 ← equation of perpendicular line

4 0
3 years ago
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