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ddd [48]
3 years ago
11

18. The half-life of a radioactive isotope is 7 years.

Mathematics
2 answers:
lutik1710 [3]3 years ago
6 0

Answer:

100(0.5)^X/7

Step-by-step explanation:

That is how you would put it ;)

maxonik [38]3 years ago
4 0

Answer:

i’m not sure

Step-by-step explanation:

i’m not sure

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Please help with all of these 5 points per question
liberstina [14]

Answer:

1. C = $100 = .25(m)

2. C = $150

3. 800 = m

Step-by-step explanation:

1. C = $100 (flat fee rate) + .25m

2. c = $100 + .25(200 miles)

                           ↓

            c = $100 + 50

                           ↓

                       c = 150

3. 300 = 100 + .25(m)

  -100      -100                    (subtract on both sides)

--------------------------------

200 = .25(m)

-------------------   (divide by .25 to get m by itself)

    .25

Therefore being 800 = m

5 0
3 years ago
Find the slope of the line passing through the points (-8, 3) and (7,3)
Aliun [14]

Answer:

0 I think??

Step-by-step explanation:

M=\frac{x2-x1}{y2-y1}

M=\frac{7-(-8)}{3-3}

M=\frac{15}{0}

M=0

5 0
3 years ago
I don’t understand this question, what’s the answer?
Goryan [66]
Depending on how far it goes up and over up/run is the m and the y is were it touches the y axis
5 0
3 years ago
Plis help with this problem! (Screenshot attached)
Diano4ka-milaya [45]

Answer: The total surface area is 633.9

Step-by-step explanation:

12.25 times 15.75, then divide by 2 = 96.46875 (this is the area of the triangle

Then times 4 = 385.875 (Because there are four triangles

15.75 times 15.75 = 248.0625 (The area of the square)

The sum is 633.9375

Rounded = 633.9

3 0
2 years ago
Read 2 more answers
Rectangle A is 10 times as long as rectangle B.
Vitek1552 [10]

Answer:

Option B and D

Step-by-step explanation:

Multiply 80 by 1/10

Divide 80 by 10

8 0
3 years ago
Read 2 more answers
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