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3 years ago

Please answer for brainiest

Mathematics

2 answers:

zheka24 [161]3 years ago

7 0

Answer:

92%

Step-by-step explanation:

there are 4 cards of "7"

52-4=48

48÷52×100=92.307...%

wariber [46]3 years ago

6 0

The answer is C. 92%..........

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Simplify and Evaluate

zalisa [80]

$\dfrac{2^{-1} + 5^{-1}}{10^{-1} - 5^{-2}} =$

$= \dfrac{\frac{1}{2} + \frac{1}{5}}{\frac{1}{10} - \frac{1}{5^2}}$

$=\dfrac{\frac{1}{2} + \frac{1}{5}}{\frac{1}{10} - \frac{1}{25}}$

$=\dfrac{\frac{5}{10} + \frac{2}{10}}{\frac{5}{50} - \frac{2}{50}}$

$=\dfrac{\frac{7}{10}}{\frac{3}{50}}$

$= \frac{7}{10} \times \frac{50}{3}$

$= \frac{7}{1} \times \frac{5}{3}$

$= \frac{35}{3}$

4 0

3 years ago

HELP PLEASE!!!!!! Anaya bought a sweater that was on sale. The sweater originally cost $34.50 but was purchased for $27.60. What

Elan Coil [88]

Answer: 80%. Hope this helps, please consider making me Brainliest.

Step-by-step explanation:

To find the percentage, divide the sale cost by the original cost:

27.60/34.50

Let's multiply both sides by 10 to make the operation easier:

27.6/34.5 ( I eliminated the zero's because they kind of have no use) -->

276/345, now solve:

276/345 = 0.8

0.8 = 80%

The percentage is 80%.

5 0

1 year ago

The point A(4,3) is reflected over the point (3,5) and its image is point B. What

mamaluj [8]

B(5,1) I’m smart and don’t worry the answer is correct

5 0

3 years ago

Find an equation of the line that satisfies the given condition. (Let x be the independent variable and y be the dependent varia

NeTakaya

Answer:

y = 4

Step-by-step explanation:

A line parallel to the x-axis has the same value of the dependent variable (y) for all the values of the independent variable (x). Hence, the line would be an horizontal line that passes through the y-axis and never meets the x-axis. Since this line satisfies the condition of passing through the coordenates (x,y), (-6,4), then the equation is equal to the value of the coordinate y.

Therefore, the equation of a line that satisfies these two conditions is y = 4.

Download pdf

8 0

3 years ago

If an airplane flying at a constant rate of speed covers 800 mi. in 4 hr., how fast is it flying? A. 100 mph B. 150 mph C. 200 m

balandron [24]

Answer:

The answer would be C. 200 mph.

Step-by-step explanation:

200 times 4 is 800

4 0

2 years ago