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3 years ago

Find the slope of a line through (-1,1) and (0,4)

Mathematics

1 answer:

Akimi4 [234]3 years ago

5 0

Use the slope formula.

m = slope = (y2 - y1)/(x2 - x1)

m = (4 - 1)/(0 - (-1)) = 3/1 = 3

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What is 2(10x+3)+2(4c)

lora16 [44]

Your answer is 140
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3 years ago

Find the reciprocal of the following: a.) 2/18 b.)7/8 c.) 30/36

matrenka [14]

Answer:

a) 9

b) 8/7

c) 36/30

Step-by-step explanation:

Reciprocal is when the denominator and numerator "flip."

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2 years ago

Put the numbers in ascending order.5–√, 2, −135,−2, −94

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Answer:

√5, 2, −13/5,−2, −9/4

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2 years ago

1. The South Bowie Library and Oxon Hill Library are having a used book sale. The total cost, y, is a

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3 years ago

The mean length of 4 childrens' big finger is 14cm. The mean length of 9 adults' big finger is 16.1cm. What is the mean length (

Mamont248 [21]

Answer:

The mean length of the 13 people's big finger is 15.45 cm

Step-by-step explanation:

Given;

mean length of 4 childrens' big finger, x' = 14cm

mean length of 9 adults' big finger is 16.1cm, x'' = 16.1cm

Let the total length of the 4 childrens' big finger = t

$x' = \frac{t}{n} \\\\x' = \frac{t}{4}\\\\t = 4x'\\\\t = 4 *14\\\\t = 56 \ cm$

Let the total length of the 9 adults' big finger = T

$x'' = \frac{T}{N} \\\\x'' = \frac{T}{9}\\\\T = 9x''\\\\T = 9*16.1\\\\T = 144.9 \ cm$

The total length of the 13 people's big finger = t + T

= 56 + 144.9

=200.9 cm

The mean length of these 13 people's big finger;

x''' = (200.9) / 13

x''' = 15.4539 cm

x''' = 15.45 cm (2 DP)

Therefore, the mean length of the 13 people's big finger is 15.45 cm

3 0

3 years ago