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2 years ago

Which is greater 7/9 or 85/100. Please help

2 answers:

6 0

$\frac{85}{100}= \frac{85:5}{100:5}= \frac{17}{20}= \frac{17\cdot9}{20\cdot9}= \frac{153}{180} \\\\ \frac{7}{9}= \frac{7\cdot20}{9\cdot20}= \frac{140}{180} \\\\ \frac{85}{100}>\frac{7}{9}$

$Ans.\ greater\ is\ \frac{85}{100}$

Alika [10]2 years ago

4 0

$\frac{7}{9} \ \ or \ \ \frac{85}{100} \\ \\ \frac{7}{9} \ \ or \ \ \frac{17}{20} \\ \\\frac{7\cdot 20}{180} \ \ or \ \ \frac{17\cdot 9}{180}\\ \\\frac{140}{180} \ \ < \ \ \frac{153}{180} \\ \\ Answer : \ \frac{7}{9} \ \ < \ \ \frac{85}{100}$

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Solve 2x + 5y = −13 3x − 4y = −8

zlopas [31]

If you would like to solve 2x + 5y = -13 and 3x - 4y = -8, you can do this using the following steps:

2x + 5y = -13 /*4
3x - 4y = -8 /*5
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8x + 20y = -52
15x - 20y = -40
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8x + 15x + 20y - 20y = -52 - 40
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x = -92 / 23
x = -4

<span>3x - 4y = -8
</span>3 * (-4) - 4y = -8
-12 - 4y = -8
12 + 4y = 8
4y = 8 -12
4y = -4
y = -1

The correct result would be x = -4 and y = -1.

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2 years ago

Use completing the square to solve the equation x^2+16x=-44.

Sidana [21]

Step-by-step explanation:

our equation is x²+16x = -44

x²+16x= -44
x² is the first term so weill have in the middle 2*x* a number
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the third term is 8² wich is 64 so we will add it in both sides
x²+2*x*8+64 = -44+64
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Now that we have completed the perfect square let's solve the equation

(x+8)² = 20
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x = -8+ $\sqrt{20}$ or x = -8- $\sqrt{20}$

so the first answer is the correct one

64; 8 +/- $\sqrt{20}$

7 0

3 years ago

Read 2 more answers

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Alla [95]

12, Find the prime factorization of 60

60 = 2 × 2 × 3 × 5

Find the prime factorization of 144

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To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2 × 3

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3 years ago

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Step-by-step explanation:

f(x -5) is another way to say f(x) - 5

And f(x) - 5 is going down the y axis 5 points, so you end at (-1, -6)

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2 years ago

. One-fifth of the plants in a garden are grape tomato plants. Two-ninths of the plants in the garden are cherry tomato plants.

vodomira [7]

Answer:52

Step-by-step explanation:

Given

one-fifth of the plants in a garden are grape tomato plant

two-ninth of the plants in the garden are cherry tomato plants

Also there are 18 grape tomato and 20 cherry tomato plants.

Let Total plants be x

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thus there are total of 90 plants

also grape tomato+cherry tomato=18+20=38

Thus there are 90-38=52 remaining plants.

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2 years ago