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4 years ago

PLEASE HELP ME

Mathematics

1 answer:

ElenaW [278]4 years ago

6 0

Answer:

Step-by-step explanation: One number is four more than the other." is represented as 'x'

"One number is four more than the other." is represented as 'x+4'

"Their sum is fourteen." is represented as 'x+(x+4)=14'

"Find both numbers."

x+(x+4)=14

x+x+4=14 (add like terms)

2x+4=14 (isolate your 'x' variable on one side of the equality by subtracting 4 from both sides)

2x+4-4=14-4

2x=10 (isolate your 'x' variable by dividing by 2 from both sides)

2x/2=10/2

x=5 (this is the answer to one number)

x+4=5+4=9 (plug in 5 for 'x' and this is the answer to four more than another)

Your two numbers are 5 and 9.

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An archaeologist at a dig sets up a coordinate system using string. Two similar artifacts are found one at position (1, 4) and t

myrzilka [38]

Given:

Positions of two artifacts are at points (1, 4) and (5, 2).

To find:

The distance between these two artifacts.

Solution:

Distance formula: The distance between two points is

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Using distance formula, the distance between two points (1, 4) and (5, 2) is

$d=\sqrt{(5-1)^2+(2-4)^2}$

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Round to the nearest tenth of a unit.

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3 years ago

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guapka [62]

Answer:

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Step-by-step explanation:

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3 years ago

Write and expression for “the sum of d and 9”

Natali [406]

Sum means to Add.

So the sum of d and 9 would be d + 9

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3 years ago

Read 2 more answers

Solve x = 0.6x + 384

Gelneren [198K]

X = 0.6x + 384 |subtract 0.6x from both sides

0.4x = 384 |divide both sides by 0.4

x = 960