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Naya [18.7K]
3 years ago
8

Most accounts use the simple interest formula to calculate the interest . True False

Mathematics
1 answer:
Zinaida [17]3 years ago
8 0

Answer:

False

Step-by-step explanation:

Please mark me as brainliest

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6. Jayden does 2 sit-ups on the first day of the month, 4 the next day, 8 the
bagirrra123 [75]

Answer:60

Step-by-step explanation:2 x 30=60

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Darryl also needs to find a better deal on bread. Rank the stores from 1 to 4 based on their unit prices. Use the drop-down menu
Goryan [66]

Answer:

store A- 4

Store B-1

Store C-3

Store D- 2

Step-by-step explanation:

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3 years ago
Tommy has a piece of toast that has butter on one side, and he dropped it twice. Both times, it landed with the butter side up.
Kryger [21]
Its a one over two chance that the piece of toast won't land on the side with butter 
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3 years ago
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60 POINTS!!!!!!!!!! If each square of the grid below is 0.5 cm by 0.5 cm, how many centimeters (cm) are in the perimeter of the
Aleks04 [339]

Answer:

21 cm

Step-by-step explanation:

The perimeter is the length of the outside of a shape. In this case, we can simply add up all the edges and multiply by .5(the length of one edge).

Horizontal Edges: 22

Vertical Edges: 20

Total: 42

Perimeter = 42 * 0.5 = 21 cm

8 0
2 years ago
Best answer gets the brainliest!<br> Find $a/b$ when $2\log{(a -2b)} = \log{a} + \log{b}$.
andrey2020 [161]

By some properties of logarithms, rewrite the equation as

2\log(a-2b) = \log(a) + \log(b) \\\\ \log(a-2b)^2 = \log(ab)

so that

(<em>a</em> - 2<em>b</em>)² = <em>ab</em>

Expand the left side:

<em>a</em> ² - 4<em>ab</em> + 4<em>b</em> ² = <em>ab</em>

Rearrange terms to get a quadratic equation in <em>a</em>/<em>b</em> :

<em>a</em> ² - 5<em>ab</em> + 4<em>b</em> ² = 0

<em>b</em> must be greater than 0, otherwise log(<em>b</em>) doesn't exist, and the same goes for <em>a</em>. So we can divide by <em>b</em> ² to get

<em>a</em> ²/<em>b</em> ² - 5<em>a</em>/<em>b</em> + 4 = 0

Factorize and solve for <em>a</em>/<em>b</em> :

(<em>a</em>/<em>b</em> - 4) (<em>a</em>/<em>b</em> - 1) = 0

==>   <em>a</em>/<em>b</em> = 4   or   <em>a</em>/<em>b</em> = 1

However, if <em>a</em>/<em>b</em> = 1, then <em>a</em> = <em>b</em> makes <em>a</em> - 2<em>b</em> = -<em>b</em>. But we must have <em>b</em> > 0, so we omit the second solution and end up with

<em>a</em>/<em>b</em> = 4

5 0
2 years ago
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