3 years ago

Please help thank you

Mathematics

1 answer:

Eduardwww [97]3 years ago

3 0

Answer:

its (C) or (B) but my answer would be (B)

Step-by-step explanation:

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Part E<br> 1e. Subtract the binomial 12y2 – 4y3 from the trinomial 7y - 2y3 + 5y2

bazaltina [42]

Answer:

2y^3-7y^2+7y

Step-by-step explanation:

7y - 2y^3 + 5y^2 - ( 12y^2 – 4y^3)

Distribute the minus sign

7y - 2y^3 + 5y^2 - 12y^2 + 4y^3

Combine like terms

2y^3-7y^2+7y

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2 years ago

Soon after taking an aspirin, a patient has absorbed 320 mg of the drug. after 3 hours, only 40 mg remain. find an exponential m

Anastaziya [24]

The equation will be of the form:
$A(t)= A_{0} e^{rt}$
where A is the amount after t hours, and r is the decay constant.
To find the value of r, we plug the given values into the equation, giving:
$40=320e^{3r}$
Rearranging and taking natural logs of both sides, we get:
$ln\ 0.125=3r$
$r=\frac{ln\ 0.125}{3}=-0.693$
The required model is:
$A=A _{0} e^{-0.693t}$

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2 years ago

Angle Measurements 1”” degree help find out what’s the other side

Grace [21]

Answer:

80 degree

Step-by-step explanation:

missing angle + 100 degree = 180 degree (being co interior angles )

missing angle = 180 - 100

missing angle 80 degree

8 0

2 years ago

Can anyone help me out with this?? I dont Understand

artcher [175]

The arc length (s) is given in terms of the radius (r) and central angle (θ) by
s = r*θ . . . . . . . where θ is in radians

For your arc, the length is
s = (15 ft)*(π/4) ≈ 11.78 ft

_____
45° can be converted to radians by multiplying by π/180°.
45° * (π/180°) = π*(45/180) = π/4 . . . . radians

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3 years ago

A box contains 15 yellow,15 orange, and 15 green tennis balls. If Izzy draws a tennis ball at random out of the box,what is the

EleoNora [17]

The answer would be 1/45

6 0

3 years ago

Read 2 more answers

Please help thank you ​

Please help thank you