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shutvik [7]
3 years ago
8

may runs 10/4 miles everyday after school. Beth says that she runs farther than May every day because she runs 5/2 miles everyda

y after school. is her statement correct
Mathematics
1 answer:
Degger [83]3 years ago
5 0
Yes her statement is correct i think well maybe it is because if you cut 3 rectangles in to 2 than you color in 5 and stop and draw a rectangle with 4 in 3 rectangles and color in 10 and the two has less shaded in so the one who ran more was beth cause if you put it into a mixed number it is 2 and 1/2 and May's mixed number is 2 and 2/4 and the dinominator 2 is greater than the dinominator 4 cause 2 has bigger pices and 4 has smaller pices
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Answer:

-5 x -2 = 10

Step-by-step explanation:

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2 years ago
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There are two values of a for which the equation 5x2+ax+7x+5=0 has only one solution for x. What is the sum of those values of a
JulsSmile [24]

Answer:

-14

Step-by-step explanation:

First of all, we know that 5x^2+ ax+7x +5=0 only has one root. That means that b^2 - 4ac=0, and we can use this to find the discriminant, ax + 7x.

Now, if we simplified 5x^2+ ax+7x +5=0, by dividing it all by 5, it would be x^2+(a+7)/5x + 1 = 0.

After, we can plug what we know into the formula, b^2 - 4ac=0. It would be:

(a+7)^2 / 25 - 4 = 0

(a+7)^2 / 25 = 4

(a+7)^2 = 100

Since this is a square root, a+7 can be both negative or positive.

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a=3, or a=-17

The question asks for the sum of a, which is 3 + (-17) = -14

Therefore, the answer is -14.

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3 years ago
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Andrej [43]

A tank with capacity T gallons is empty. Tank will be filled in \frac{t}{(x - y)} minutes

<u>Solution:</u>

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Now, Water flows into the tank from pipe X at the rate of X gallons per minute,  

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Hence tank will be filled in \frac{t}{(x - y)} minutes

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Answer:

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Step-by-step explanation:

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