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il63 [147K]
3 years ago
11

EASY MATH!!! GIVING BRAINLIEST!!!

Mathematics
1 answer:
Harman [31]3 years ago
8 0
120 grams half life at 45 days would be 60 then half life of 60 in another 45 days (90 total) should be 30 grams
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Solve each system by substitution -7x+2y=18, 6x+6y=0
abruzzese [7]
The following pictures should explain well enough how to solve this would take to long to write out the end answer however are x=-12.5 and y=34.75 the steps are the following pictures Hope this helps!=)

8 0
3 years ago
Small cubes with edge lenghts of 1/4 will be packed into the rectangular prism how many small cubes will be needed to completley
Olegator [25]

Answer:

9216

Step-by-step explanation:

number of small cubes that would fill the prism = volume of prism / volume of small cubes

volume of a prism = length x width x height

3 x 6 x 8 = 144

volume of cube = length³

(1/4)³ = 1/64

144 ÷ 1/64

144 x 64 = 9216

6 0
3 years ago
Find the measure of ∠P
Elenna [48]
To find the third angle of a triangle you can remember that ALL triangles angles add up to 180 degrees, ALWAYS

So that means that p + r + q = 180

r + q = 95

67 + 28 = 95 

So 95 + p = 180

We can subtract 95 from 180 to find what’s left so 180 - 95 = 85

The correct answer would be that the measure of angle p = 85 degrees

Because 28 + 67 + 95 = 180

I hope this helps! Dont forget to thank my answer and mark it as the brainliest if it was the most helpful! <3




6 0
3 years ago
Read 2 more answers
Describe the graph showing the relationship between the weight of something in kilograms and its weight in pounds. Use the conve
rewona [7]

Answer:

  • Using the y-axis to represent pounds, and the x-axis to represent kilograms, the graph is straight line going through the origin with a slope of 2.2 lbs/kg.

Explanation:

A constant conversion factor, such as 1 kg 2.2 lb, means that the two units are in direct proportion; thus the graph is a straight line that goes through the origin.

The conversion factor also gives the slope of the line.

Depending on which axis you choose for either unit the slope may be 2.2 pounds per kilogram, or 1/2.2 kilogram per pound.

When you use the y-axis for pounds and the x-axis for kilograms then the relationship is:

  • y = 2.2 x

In that case, the slope is 2.2 pounds per kilogram.

6 0
4 years ago
Question 7
olga2289 [7]

Answer: Graph A

Step-by-step explanation:

8 0
3 years ago
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