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Aneli [31]
2 years ago
9

Can someone help will mark brainlist

Mathematics
1 answer:
Natali [406]2 years ago
8 0

Answer:

The answer is

\frac{13}{60}

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Help Asap I am stuck
MAXImum [283]

Answer:

bro pls someone hurry i need help

Step-by-step explanation:

5 0
2 years ago
The function t relates the age of a plant fossil, in years, to the percentage, c, of carbon-14 remaining in the fossil relative
pshichka [43]

Answer:   For  plato  family

A fossil with 47% of its carbon-14 remaining is approximately __2998_ years old.

A fossil that is 7,000 years old will have approximately _17%__ of its carbon-14 remaining

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
If 800g of a radioactive substance are present initially and 8 years later only 450g remain, how much of the substance will be p
artcher [175]

A=Pe^(rt)

P = 800g

t = 8 years

A = 450g

r = This is what we will try and find to start with

450=800e^(r*8)

After running the math through a calculator, we end with r = -0.07192

Now we just re-input this information into our equation: A=800e^(-0.07192*16)

A=800e^(1.15072)

Now we will re-write the equation using the negative exponent rule:

A = 800 1/e^1.15072

Combine right side:

A = 800/e^1.15072

Then do the math:

A = 253.12709836......

That will give us A = 253 (rounded to the whole number)

I hope this helps! :)

5 0
3 years ago
Write an expression for the calculation 4 added to 12 times 19 plus 24
harina [27]

Answer:

4 + 12 × 19 + 24

Step-by-step explanation:

Hullo!

Words like "added or sum", represent addition.

Words like "times", represent multiplication.

Words like "subtracted or took away", represent subtraction.

Words like "divided or split up", represent division.

Therefore, we can express the equation 4 added to 12 times 19 plus 24 can be rewritten as  \boxed{4 + 12 \cdot 19 + 24} in expression format.

Hope this helps!

8 0
3 years ago
Please I need the polynomial for this problem, if you don’t know then don’t answer! Wrong answers will be reported
babymother [125]

Answer:

Area = (36π - 12πx + x²π) mm²

Step-by-step explanation:

Given that,

radius of lense = 6mm

Length from outer layer of pupil to lense = x mm

Radius of pupil = 6 - x mm

<h3>Formula to calculate area of pupil</h3><h3> Area = π r²</h3>

<em> where r is radius of pupil</em>

Area = π (6 -x)²

Area = π (6² -2(6)(x) + x²)

Area = π (36 -12x +x²)

Area = (36π - 12πx + x²π) mm²

So, the polynomial in standard form that represent the area of pupil in terms of π =  (36π - 12πx + x²π) mm²

5 0
3 years ago
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