2 years ago

The point (-2, -1) satisfies which of the following inequalities?

Mathematics

1 answer:

satela [25.4K]2 years ago

4 0

Answer:

Step-by-step explanation:

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What is the area of a square if the length is 4x-3

frez [133]

Answer:

The area of square in terms of x = 16x² -24x + 9

Step-by-step explanation:

It is stated in the question that the length of a square = 4x - 3

Formula to find the area of the square is

Area = length²

Area = ( 4x - 3 )²

by using ( a - b )² = a² + b² - 2ab

here a = 4x and b = -3

So,

(4x)² + (-3)² - 2(4x)(3)

16x² + 9 - 2(12x)

16x² + 9 - 24x

16x² -24x + 9

The area of square in terms of x = 16x² -24x + 9

3 0

2 years ago

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slava [35]

ANSWER i think its c Step-by-step explanation:

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2 years ago

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Two cars leave town at the same time and travel in opposite directions. Speed of car A is 12 km/h more than car B. They are 312k

Zina [86]

Answer:

Speed of car B is 33 km/h and speed of car A is $45\,\,km/h$

Step-by-step explanation:

Let speed of car B be $x$ km/h

Speed of car A is 12 km/h more than car B.

Therefore,

Speed of car A = $(12+x)$ km/h

Distance = Speed × Time

Distance travelled by car A in 4 hours = $4(12+x)$ km = $(48+4x)$ km

Distance travelled by car B in 4 hours = $4x$ km

Also, cars A and B are 312km apart after 4 hours.

$48+4x+4x=312\\48+8x=312\\8x=264\\\\x=\frac{264}{8}\\\\x=33\,\,km/h$

Speed of car B is 33 km/h and speed of car A is $12+x=12+33=45\,\,km/h$

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2 years ago

Detective pi is having a birthday party for the first baby rhino the cake serves 50 people and cost $120. How much does the cake

irakobra [83]

120/50=2
$2 per person

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2 years ago

The volume of the box is 400 inches and the height is 5 inches and it’s 8 inches wide what is the length of the box

levacccp [35]

Answer:

10 inches

Step-by-step explanation:

length=V/WxH

=400/40

=10 inches

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1 year ago