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kumpel [21]
3 years ago
7

How do you estimate an irrational number?why might you need to estimate an irrational number?

Mathematics
1 answer:
Kazeer [188]3 years ago
7 0
Help me and ill help u

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Jon places a dot on a coordinate plane at (-10, -4). He wants to place another dot across the y axis, and it must be 14 points a
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At (4,-4). Because, the first value is the horizontal x-coordinate and the second is the vertical y-coordinate, so the direction of going across the y-axis is a horizontal movement. Therefore, you must add 14 to the x-coordinate. You add because positive is the opposite direction of the your first x-coordinate, -10. So the answer is (4,-4).
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4 years ago
Gwen borrows 400$ from her parents to buy a bike. She agrees to pay them back plus 4% interest. What is the total amout of money
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Answer:Gwen will pay $560 in total

Step-by-step explanation:

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4 years ago
Eli wants to combine 0.5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution. Which equation c
Alex17521 [72]

Answer:

Equation is 0.5 \text{ gal }\times(0.1)+ x\text{ gal }\times (0.35)=(0.5 + x)\times (0.15)

0.125 gallons of the 35% acid solution Eli should add.

Step-by-step explanation:

Given : Eli wants to combine 0.5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution.

To find : Equation can you use to determine how many gallons of the 35% acid solution Eli should add?

Solution :

Let x be the gallons of the 35% acid solution.

According to question,

For 0.5 gallon of a 10% acid solution = 0.5\times 0.1

For x gallon of a 35% acid solution = x\times 0.35

For (0.5+x) gallon of a 15% acid solution = 0.5+x\times 0.15

The equation form is

0.5 \text{ gal }\times(0.1)+ x \text{ gal }\times(0.35)= (0.5+x)\times (0.15)

Solving the above equation,

0.05+0.35x = 0.075 + 0.15x

0.2x = 0.025

x =\frac{0.025}{0.2}

x=0.125

Therefore, 0.125 gallons of the 35% acid solution Eli should add.

The equation is 0.5 \text{ gal }\times(0.1) + x \text{ gal }\times(0.35) =(0.5 + x)\times (0.15)

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Simplify fully<br> 13/2x-5/x
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13x2−10/2 is your answer

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