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3 years ago

Ayeeee dis tooooo helllllp bcjsjznbznsj

Mathematics

2 answers:

Elan Coil [88]3 years ago

4 0

Answer:

Equation of line: y = -x + 4

Slope: -1

Hopw this helps :)

Tpy6a [65]3 years ago

3 0

Answer:

-1

Step-by-step explanation:

You have to do rise over run.

One thing we already know is that the slope is negative because it's pointing in this direction \ <======

I will make a picture.

But the rise is 4 and the run is 4 so the slope is -1x or just -x

Hope this helps ya!!

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Jane is 5 times older than her sister. In 3 years, Jane’s sister will be 1/4 her age. Find the ages now

Korolek [52]

The present age of Jane is 45 years old and present age of her sister is 9 years old

Solution:

Let the present age of Jane be "x"

Let the present age of her sister be "y"

Jane is 5 times older than her sister

present age of Jane = 5(present age of her sister)

x = 5y ---------- eqn 1

In 3 years, Jane’s sister will be 1/4 her age

Age of sister after 3 years = 3 + y

Age of jane after 3 years = 3 + x

Age of sister after 3 years = 1/4(age of jane after 3 years)

$3 + y = \frac{1}{4}(3 + x)$

Substitute eqn 1 in above equation

$3 + y = \frac{1}{4}(3 + 5y)\\\\12 + 4y = 3 + 5y\\\\5y - 4y = 12 - 3\\\\y = 9$

Substitute y = 9 in eqn 1

x = 5(9)

x = 45

Thus present age of Jane is 45 years old and present age of her sister is 9 years old

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4 years ago

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dalvyx [7]

Answer:

They have no minimum y -value

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3 years ago

A first number plus twice a second number is 8 twice the first number plus the second totals 25

Orlov [11]

Answer:

x=14 y=-3

Step-by-step explanation:

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3 years ago

A chocolate bar contains 6 grams of fat. If you eat no fewer than 5 and no more than 9 bars, how many grams of fat will you cons

IRINA_888 [86]

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2 years ago

Two lines, C and D. are represented by the equations given below.

Delicious77 [7]

The answer is D. (4,14) because both lines pass through this point

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