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enot [183]
3 years ago
14

Solve −18=6+6x . x = __

Mathematics
2 answers:
Igoryamba3 years ago
5 0

Answer:

x = -4

Step-by-step explanation:

-18 = 6+6x

-18 -6 = 6x

-24 = 6x

-24/6 = x

x = -4

Checking Part:

-18 = 6 + 6x

-18 = 6 + 6(-4)

-18 = 6 -24

-18 = -18

ser-zykov [4K]3 years ago
4 0

Answer:

-4

Step-by-step explanation:

Subtract 6 to get X by itself and that leaver you with - 24=6x now divide by 6 to get x=-4

Hope this helps

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If f(x) = x² + 1 for what x value is f(x) = 2?
MaRussiya [10]

Answer:

x = ±1

Step-by-step explanation:

Step 1: Define variables

f(x) = x² + 1

f(x) = 2

Step 2: Substitute

2 = x² + 1

Step 3: Solve for <em>x</em>

0 = x² - 1

0 = (x - 1)(x + 1)

x - 1 = 0

x = 1

x + 1 = 0

x = -1

∴ x = ±1

6 0
3 years ago
What is the mean median mode and range of the numbers 39, 82, 74, 96, 64, 52, 74
Virty [35]

Answer:

Step-by-step explanation:

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Median: You put all the numbers from least to greatest then cross one off on the left and do the same on the right and repeat until there is either one or two numbers left if there are two number then you find the mean of those two numbers, but if you only have one number left then that is your answer

Mode: You find which number is the most common for enstance if there are two 3 and one 4 then 3 would be your answer because there are more 3 than 4

Range: You take the highest number and the lowest number of the set and subtract them and then you have your answer

3 0
3 years ago
It is recommended that one fire extinguisher be available for every 6000 ft.² in a building right and solve an equation to deter
irina [24]
6000x = 135000; x ≈ 23.

We are required to have one fire extinguisher for every 6000 ft of space in the building; this means we need to find out how many 6000-ft spaces we have in 135000.

Solving this equation, we divide both sides by 6000:
6000x/6000 = 135000/6000 = 22.5 ≈ 23
6 0
3 years ago
A field is 630 feet long and 285 feet wide. what is the area of the field in square yards?
Vlada [557]

The answer is d because if you compare feet to yards 3 feet= 1 yard so divide 630 and 285 by 3 and then multiply them which ends up in 19,950. Your Welcome!


8 0
3 years ago
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127 ^7 *28^6/ 21^7 * 16^6
NISA [10]

Answer:

hehehe

Step-by-step explanation:

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3 0
3 years ago
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