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2 years ago

12

2.1.4 Practice: Adding Rational Numbers

1 answer:

galina1969 [7]2 years ago

6 0

Answer:

4+(-6)+8+(-1)

Step-by-step explanation:

if she starts at 4 points and her first turn she cuts 6 trees then you can add a negative 6 which is the same as subtracting that 6 when she plants 8 add those points then for her last turn add a negative 1 which is the same as subtracting 1 and she should end up with 5 points.

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Melanie is 2 years older than twice her brother Bill’s age. If Bill is 5 years old,how old is Melanie

arlik [135]

she would be 12 because

10 * 2 = 10

10 + 2 = 12

hope this helps :)

8 0

4 years ago

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Someone please help me with this question

zubka84 [21]

You can use pythagorean theorem and square 1.5 and 6 and those added together is the hypotenuse (the slope) squared. the answer is approximately 6.2

8 0

3 years ago

Using appropriate properties find: 2/3 × 3/4 + 3/7 × 3/4

Viktor [21]

Answer:

$\frac{23}{28}$

Step-by-step explanation:

$\frac{2}{3} \times \frac{3}{4} + \frac{3}{7} \times \frac{3}{4}$

$= > \frac{3}{4} ( \frac{2}{3} + \frac{3}{7} )$

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Reducing 3 from numerator and denominator,

$= > \frac{23}{4 \times 7} = \frac{23}{28}$

3 0

3 years ago

Find the equation for a polynomial f(x) that satisfies the following:

denis-greek [22]

Answer:

f(x) = 1/2(4 - x)(x - 1)(x - 2)

Step-by-step explanation:

Considering zero's and a coefficient, the function is:

f(x) = a(x - 4)(x - 1)(x - 2)

Considering y-intercept:

f(0) = a(0 - 4)(0 - 1)(0 - 2)

4 = a(-4)(-1)(-2)

4 = -8a

a = -1/2

So the function is:

f(x) = -1/2(x - 4)(x - 1)(x - 2) = 1/2(4 - x)(x - 1)(x - 2)

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3 years ago

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mars1129 [50]

Answer:

You aren't even giving 200 points.

Step-by-step explanation:

4 0

3 years ago

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