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DanielleElmas [232]
3 years ago
15

PLEASE HELP DUE SOON

Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0

Answer:

A

Step-by-step explanation:

The lines cross or touch the X-Axis 4 times which means that there are 4 solutions.

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Write this expression using exponents
alexdok [17]

Answer:

4p^{2} or 4p^2

Step-by-step explanation:

Combine like terms:

4 x 4 and p x p

4^2 and p^2

4p^2

4 0
3 years ago
Our waitress was fantastic!! Matthew decided
bearhunter [10]

Hey!

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

Steps To Solve:

~Turn into decimal

15% = 0.15

~Multiply

25.65 x 0.15 = 3.8475

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

Answer:

Matthew will give the waitress $3.8475 for a tip.

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Hope This Helped! Good Luck!

4 0
3 years ago
Given the pre-image ABCD and the image after a dilation, A'B'C'D', what is true about the polygons? Check all that apply.
rodikova [14]

Answer:

A,B,andE

Step-by-step explanation:

Or The length AB is 2, The length A'B' is 3, and The scale factor is Two-Thirds

6 0
3 years ago
Read 2 more answers
If a person takes a prescribed dose of 10 milligrams of Valium, the amount of Valium in that person's bloodstream at any time ca
aleksandr82 [10.1K]

Answer:

(a)8.0mg

(b)36.87 hours

(c)-0.168

Step-by-step explanation:

The amount of Valium in that person's bloodstream at any time can be modeled with the exponential decay function A ( t ) = 10 e^{ -0.0188 t (t in hours)

(a)After 12 Hours

A ( 12) = 10 e^{ -0.0188*12}\\=7.98\\\approx 8.0 mg $(to the nearest tenth of a milligram)

(b)If A(t)=5mg

Then:

5= 10 e^{ -0.0188 t}\\$Divide both sides by 10\\0.5=e^{ -0.0188 t}\\$Take the natural logarithm of both sides\\ln (0.5)=-0.0188 t\\t=ln (0.5) \div (-0.0188)\\$t=36.87 hours (to two decimal places.)

(c)

A ( t ) = 10 e^{ -0.0188 t}\\A'(t)=10(-0.0188)e^{ -0.0188 t}\\A'(t)=-0.188e^{ -0.0188 t}\\$At 6 hours, the rate at which the amount of Valium is decaying therefore is:\\A'(6)=-0.188e^{ -0.0188*6}\\$=-0.168 ( to three decimal places)

3 0
3 years ago
A line passes through the point (-8, 2) and has a slope of -5/4.
UNO [17]

Answer:

y=-5/4x-8

Step-by-step explanation:

2=-5/4(-8)+b

2=10+b

2-10=10-10b

-8=b

8 0
3 years ago
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