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TEA [102]
2 years ago
6

For 20 points, 5 stars, and a thanks, can some one answer these 5 questions about percent increase and decrease?

Mathematics
2 answers:
Galina-37 [17]2 years ago
8 0

Answer:

380; 5% increase is 399

39; 33% decrease 26.13

48; 15% increase 55.2

3,000; 325% increase 12,750

160; 20% decrease 128

Step-by-step explanation:

Marianna [84]2 years ago
8 0
Exactly what the top answer said!
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Mr. Duncan bought a table at a discount if 30% thus saving $42. what was the marked price of the table?​
katovenus [111]

Answer:

$140

Step-by-step explanation:

if 30% of full price = $42 then 100% = 42/0.3 = 140

5 0
2 years ago
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The equation y = negative StartFraction 1 Over 20 EndFraction x + 10 represents the gallons of gasoline that remain in Michelle’
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8 1
3 years ago
PLEASE HELP ME!!!!
VARVARA [1.3K]

Answer:

Step-by-step explanation:

MARK BRAINLIEST PLEASE ☺️☺️

First you multiply 20 by .15 and you get 3. Subtract 3 by 20 and you get 17. Now multiply $17 by 30 and you get 510. She spent $510 on 30 calculators

3 0
3 years ago
Which function has the greater maximum value: f(x) = -2x2 + 4x+3, or g(x),
Zepler [3.9K]

Answer:

B

Step-by-step explanation:

f(x) maxmum value is

\frac{ - 4}{ - 4}  = 1

- 2( {1}^{2} ) + 4(1) + 3 =  5

G(x) minimum value is 6.

B is the answer.

5 0
2 years ago
Which is the equation of a line with a slope of -1/3 and a y-intercept at (0,1)?
Nutka1998 [239]

Answer:

The answer is

\huge \boxed{y =  -  \frac{1}{3}x + 1 }

Step-by-step explanation:

To find an equation of a line given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question the point is (0,1) and slope - 1/3

The equation is

y - 1 =  -  \frac{1}{3}(x - 0) \\ y - 1 =  -  \frac{1}{3} x

We have the final answer as

y =  -  \frac{1}{3} x + 1 \\

Hope this helps you

4 0
3 years ago
Read 2 more answers
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