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3 years ago

Find the length indicated. 5) Find AB Please help

Mathematics

1 answer:

Ainat [17]3 years ago

4 0

Answer:

Step-by-step explanation:

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What do you think it means when the change is positive? Negative? in a mathematical way

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Answer:

A number is positive if it is greater than or equal to zero. A number is negative if it is less than or equal to zero.

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2 years ago

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AfilCa [17]

1. X + 5
2.15-15
3. C= ( 3x9.95)+(2x14.98)
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3 years ago

The third term of an arithmetic sequence is -8, and the fourth term is -20. What is the second term?

Ostrovityanka [42]

Answer:

the answer is 6

Step-by-step explanation:

In mathematics, an arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. so -20 + 14 is -8 so you just have to add 14 again to -8 to get 6

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3 years ago

Anna007 [38]

Answer:

1) The correct option is C. (2) The correct option is D. (3) The correct option is B. (4) The correct option is D. (5) The correct option is D.

Step-by-step explanation:

The slope formula is

$m=\frac{y_2-y_1}{x_2-x_1}$

(1)

Two points are (-2,5) and (1,4).

$m=\frac{4-5}{1-(-2)}=\frac{-1}{3}tex]Therefore option C is correct.(2)Use the above mentioned formula for each pair of coordinates.[tex]m=\frac{10-13}{17-12}=\frac{-3}{5}$

$m=\frac{10-15}{13-16}=\frac{-5}{-3}=\frac{5}{3}$

$m=\frac{10-7}{3-0}=\frac{3}{3}=1$

$m=\frac{18-13}{8-11}=\frac{5}{-3}=\frac{-5}{3}$

Therefore option D is correct.

(3)

The pair of points (6, y) and (10, -1). The slope is $\frac{1}{4}$ .

$\frac{1}{4}=\frac{-1-y}{10-6}$

$\frac{1}{4}=\frac{-1-y}{4}$

$1=-1-y$

$y=-2$

Therefore option B is correct.

(4)

For vertical line the x coordinates always remains the same. Therefore when we subtract the same number we get zero in the denominator, therefore the value of slope is undefined for a vertical line.

Therefore option D is correct.

(5)

Two points from the table are (2,110) and (3,165).

$m=\frac{165-110}{3-2}=\frac{55}{1}$

Therefore option D is correct.

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3 years ago

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What is 25x0.25 A)0.625 B)6.25 C)62.5 D)625

ipn [44]

Answer:

B)6.25

Step-by-step explanation:

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3 years ago