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Georgia [21]
3 years ago
11

Is (a + b) and (a - b)? perfect square trinomials? O True O False

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
8 0

Answer:

False

Step-by-step explanation:

Pos and negs cannot be perfect square trinomials

NeTakaya3 years ago
3 0
The answer should be false
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In a writing competition, the first place winner receives 1/2 of the prize money. The second runner up receives 1/4 of what the
worty [1.4K]

Answer:

10,000 is the total amount of.money that was distributed

6 0
2 years ago
Please help:<br> In Δ ABC, sin A=88, sin B=42, and a =17, find the length of b.
iren2701 [21]

Answer:

Step-by-step explanation:

Use the law of sines.

\frac{sin A}{a} = \frac{sin B}{b} \\

Plug values in.

\frac{sin88}{17} = \frac{sin42}{b}\\

Cross multiply.

bsin88 = 17sin42\\b = 11.38

Hope that helps.

6 0
3 years ago
Read 2 more answers
if a snowball rolls down a hill and its surface area increaces at a rate of 18cm^2/min, find the rate at which the radius increa
sp2606 [1]

Answer: dr/dt = 9/(24pi)  cm per minute

9/(24pi) is approximately equal to 0.119366

=============================================

Work Shown:

Given info

dS/dt = 18 cm^2/min is the rate of change of the surface area

r = 6 cm is the radius, from the fact that the diameter is 12 cm

--------

Use the surface area equation given, apply the derivative, plug in the given values and then isolate dr/dt which represents the rate of change for the radius

S = 4*pi*r^2

dS/dt = 2*4*pi*r*dr/dt

dS/dt = 8*pi*r*dr/dt

18 = 8*pi*6*dr/dt

18 = 48*pi*dr/dt

48pi*dr/dt = 18

dr/dt = 18/(48pi)

dr/dt = (9*2)/(24*2pi)

dr/dt = 9/(24pi)

The units are cm per minute, which can be written as cm/min.

3 0
3 years ago
A promissory note for $3600.00 dated May 15, 2012, requires an interest payment of $370.00 at maturity. If interest is at 9.6% c
vladimir1956 [14]

The due date of the promissory note is May 24th 2013.

Data;

  • Present Value (PV) = $3600
  • Interest = $370
  • Future Value (FV) = PV + I = $3600 + $370 = $3970

<h3>Due Date of the Note</h3>

To calculate the due date of the note, we can use the formula of future value of the note.

FV = PV (1 + \frac{r}{n})^d\\ 3970 = 3600 (1 + \frac{9.6}{12})^d\\3970 = 3600(1+0.008)^d\\\frac{3970}{3600} =(1.008)^n

Let's take the natural log of both sides

(1.008)^n = (\frac{3970}{3600})\\ n\ln(1.008) = \ln(\frac{397}{360})\\ n = 12.28

This is approximately 12 months and 9 days.

The due date of the promissory note is May 24th 2013.

Learn more on promissory note here;

brainly.com/question/25793394

brainly.com/question/4267195

7 0
2 years ago
Convert 120 Inches to feet. There are 12 inches in a foot,
Evgesh-ka [11]

Step-by-step explanation:

the answer is 10 ft. cuz 120 / 12 is 10

4 0
3 years ago
Read 2 more answers
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