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DochEvi [55]
3 years ago
5

If x= –4 and y= 3 , what is the value of x–3y2 ?

Mathematics
2 answers:
Tpy6a [65]3 years ago
5 0

Answer:

-31

Step-by-step explanation:

(-4)-3(3)^2

-4-3(9)

-4-27=-31

Elis [28]3 years ago
5 0

Hey!

---------------------

Solution:

= x - 3y²

= (-4) - 3(3)²

= (-4) - 27

= -31

---------------------

Answer:

-31

---------------------

Hope This Helped! Good Luck!

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  (x + 10)² - 1

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None of the choices you provided are correct. Did you type in the question wrong?

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2 years ago
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This is standard form
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3 years ago
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Jake is using a horse trailer to take his horses to his new ranch. 1 Horse= 1,200 lb Trailer= 2,700 lb Jake's truck can tow a ma
Kitty [74]

Answer:

Jack can take only 1 horse on his trailer to be towed by the truck without going over the maximum weight the truck.

Step-by-step explanation:

Given:

Weight of 1 horse = 1,200 lb

Weight of trailer = 2,700 lb

Jacks'truck can tow a maximum of 5000 pounds.

To find the maximum number of horses Jack can take in his trailer without going over the maximum weight his truck can tow.

Solution:

Let the maximum number of horses that Jack can take be = x

Using unitary method to find weight of x horses.

If 1 horse weights = 1,200 lb

Then x horses will weight in lbs = 1,200\times x = 1,200x

Total weight of horses and trailer in lbs = 1200x+2700

Since the maximum weight the truck can tow = 5,000 lb, so the inequality can be given as:

1200x+2700\leq5000

Subtracting both sides by 2700.

1200x+2700-2700\leq5000-2700

1200x\leq2300

Dividing both sides by 1200.

\frac{1200x}{1200}\leq\frac{2300}{1200}

x\leq1.91

From the inequality solution for x, we can conclude that Jack can take only 1 horse on his trailer to be towed by the truck without going over the maximum weight the truck.

3 0
3 years ago
How many times greater is The total area of Russia than the total area of Finland? Finland total area is 3.4 x 10 to the 5th pow
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Answer:

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Step-by-step explanation:

Data

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Russia area = 1.7 x 10⁷ km²

Proportion = ?

Process

1.- Just divide the Russia's area by the Finland's area.

   Proportion = \frac{Finland's area}{Russia's area}

   Proportion = \frac{1.7 x 10^{7} }{3.4 x 10^{5} }

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6 0
3 years ago
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agasfer [191]

Answer:

A

Step-by-step explanation:

GCF is greatest common factor, which means that it is the greatest number all the numbers can be divisible by

for these numbers it is 12

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