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3 years ago

In the figure below, tan B - 3. If BC = 15 and DA = 3, what is the length of DE ?

Mathematics

2 answers:

notka56 [123]3 years ago

8 0

Answer: 6

Step-by-step explanation: Because I got this answer correct on a test.

Rom4ik [11]3 years ago

6 0

6 cuz ya
(abcdefghi)

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3200 dollars is placed in an account with an annual interest rate of 6.5%. To the nearest year, how long will it take for the ac

madam [21]

4 yrs

Step-by-step explanation:

Formulae for simple interest is;

A= P (1 + rt) Whereby;

A = Total Accrued Amount (principal + interest)

P = Principal Amount

I = Interest Amount

r = Rate of Interest per year in decimal; r = R/100

R = Rate of Interest per year as a percent; R = r * 100

t = Time Period involved in months or years

15300 = 3200 (1 + 106.5/100 *t)

15300/3200 = 1 + 1.065t

4.78125 – 1 = 1.065t

3.78125 = 1.065t

3.78125/1.065 = t

3.55 = t

Rounded off to the nearest whole number;

= 4

5 0

3 years ago

Sara's new car depreciates 8% each year. Write an exponential function to model the depreciation each month. Write an exponentia

Alinara [238K]

Answer:

y= $(1-0.08)y

Step-by-step explanation:

3 0

3 years ago

Julian has to read 4 articles for school. He has 8 nights to read them. He decides to read the same number of articles each nigh

daser333 [38]

<u><em>Answer:</em></u>

a. He will have to read half an article per night

b. Fraction of the reading assignment read each night = $\frac{0.5}{4}=\frac{1}{8}$

<u><em>Explanation:</em></u>

<u>We are given that:</u>

number of articles to read = 4 articles

number of nights = 8 nights

To get the number of articles that he should read per night, we will simply divide the the number of articles by the number of nights

<u>Therefore:</u>

number of articles to read per night = $\frac{4}{8}=\frac{1}{2}$ articles per night

Now, we know that he will read half an article each night from a total of 4 articles

To get the fraction of the reading assignment read each night, we will divide the number of articles read each night by the total number of assignments

<u>Therefore:</u>

Fraction of the reading assignment read each night = $\frac{0.5}{4}=\frac{1}{8}$

Hope this helps :)

5 0

3 years ago

Write the numbers in order from least to greatest. -7, -6.5, -6.2, 0, -4.5

algol13

Answer: -7, -6.5, -6.2, -4.5, 0

I hope this helps, stay safe, and have a great rest of your day. :)

7 0

3 years ago

Read 2 more answers

If sin=3 by 5 and cos =4 by 5 find tan

Afina-wow [57]

Answer:

Step-by-step explanation:

$tan = \frac{sin}{cos }$

=3/5 × 5/4

=15/20

7 0

3 years ago