3 years ago

Column A

1 answer:

7 0

Answer:

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A number plus itself, plus twice itself, plus 4 times itself is equal to -104

NARA [144]

The scenario will will be represented by: $x+x+2x+4x=-104$

The number will be -13

Step-by-step explanation:

We have to convert the given situation into the mathematical form

Let x be the number

Then

"a number plus itself"

x+x

"plus twice itself"

x+x+2x

"plus 4 times itself"

x+x+2x+4x

"is equal to -104"

$x+x+2x+4x=-104$

This can also be written as:

$x+x+2x+4x=-104\\8x=-104\\Dividing\ both\ sides\ by\ 8\\\frac{8x}{8}=\frac{-104}{8}\\x=-13$

Keywords: Linear Equation

Learn more about linear equation at:

#LearnwithBrainly

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2 years ago

A jet travels 560 miles in 5 hours. At this rate, how far could the jet fly in 9 hours? What is the rate of the speed of the jet

leonid [27]

Answer:

1,008

Step-by-step explanation:

560/5 * x/9

x=1,008

3 0

3 years ago

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X+2y+1=0,2x-3y-12=0 solve by substitution method

Kitty [74]

Answer:

Step-by-step explanation:

x=-1-2y

-2-4y-3y-12=0

-7y=14

y=-2

x=3

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2 years ago

Which mixed number is equvilent to thevimproper fraction 23/6

Nikitich [7]

6 goes into 23 - 3 times

remainder 5 (3 and 5/6)

8 0

3 years ago

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-8=-9+b/3 I really need help do not understand . This is variables on both sides.

Margaret [11]

this only has a variable on one side

-8 = -9 + b/3

add 9 to both sides

1 = b/3

multiply by 3 to both sides

3 = b

check:

-8 = -9 + 3/3

-8 = -9 +1

-8 =-8

5 0

3 years ago