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3 years ago

8

Which of the following are geometric sequences?

1 answer:

Nana76 [90]3 years ago

5 0

B. 10, 5, 2.5, 1.25, 0.625, 0.3125

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The general equation for depreciation is given by y = A(1 – r)t, where y = current value, A = original cost, r = rate of depreci

irina1246 [14]

Analyzing the given values and the given equation, we have the following:
A = $25,000
r = 0.11
t = 6

The equation has the form:
y = A (1-r)^t
Plugging in the given values into the equation,
y = $25,000 (1 - 0.11)^6
y = $25,000 (0.89)^6

Therefore, the answer is
A. y=25,000(.89)^6

3 0

3 years ago

Read 2 more answers

Find the coordinates of the center of the following circle.<br><br> (x - 3)² + (y - 7)² = 49

Zepler [3.9K]

When you write the equation of a circle in the form

$(x-x_0)^2+(y-y_0)^2=r^2$

Then the center of the circle has coordinates $(x_0, y_0)$ and the radius is $r$

So, in your case, the center of the circle is $(3,7)$

7 0

3 years ago

Yesterday, there were 17 problems assigned for math homework. Monica got 17 out of 17 problems correct. What percentage did Moni

enyata [817]

Answer:

100%

Step-by-step explanation:

17/17 is 100

You can convert fractions buy using a ratio or just simply think of it as 100/100.

9 0

3 years ago

Sammy had 30 minutes to do a three problem quiz. She spent 101/3 minutes on problem 1 and 54/5 minutes on problem 2. How much ti

den301095 [7]

He is left with $13\frac{13}{15}$ minutes for the last problem

Step-by-step explanation:

Given

Total time = 30 minutes

Time spent on problem 1: $10\frac{1}{3}$ minutes

Time spent on problem 2: $5\frac{4}{5}$ minutes

First of all, we will calculate the total time for 2 problems

$Time\ for\ two\ problems = 10\frac{1}{3}+5\frac{4}{5}\\= \frac{31}{3} + \frac{29}{5}\\= \frac{155+87}{15}\\=\frac{242}{15}$

The remaining time is:

$Time\ for\ problem\ 3 = Total\ time - Time\ for\ two\ problems\\= 30 - \frac{242}{15}\\= \frac{450-242}{15}\\=\frac{208}{15}\\= 13\frac{13}{15}$

Hence,

He is left with $13\frac{13}{15}$ minutes for the last problem

Keywords: Fractions, mixed fractions

Learn more about fractions at:

#LearnwithBrainly

7 0

3 years ago

Find the measurement indicated. Round your answer to the nearest tenth. NO LINKS!!

olganol [36]

Answer:

m∠A ≈ 39.865°

Step-by-step explanation:

C² = 16² + 15² - 2 × 16 × 15 × cos (97°)

=> C = 23.22708085

sin (97°)/23.22708085 = sin A/15

=> sin A = sin (97°) × 15/23.22708085

=> A = $sin^{-1}$ (sin (97°) × 15/23.22708085)

=> A ≈ 39.865

6 0

3 years ago