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2 years ago

2. Neil's airplane needs a full tank of fuel

Mathematics

1 answer:

Alenkinab [10]2 years ago

3 0

It’s tc ccgvchvg gyvCyzbzugs if htkgin to be even

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I'LL MARK UR ANSWER BRAINLIST!!

Verdich [7]

Answer: =1845

Step-by-step explanation: hope this help

6 0

2 years ago

1. Use precise mathematical language to justify and explain each mathematical process.

iris [78.8K]

Mathematical processes are the steps used to determine the result of operations

The perimeter of the rectangle is $10x^2 - 14x + 28$
The area of the rectangle is $5x^3 +17x^2 -31x + 45$

The dimension of the rectangle is given as:

$Length = 5x^2 - 8x + 9$

$Width = x + 5$

(1) The perimeter of the triangle

This is the sum of the side lengths of the rectangle.

So, we have:

$Perimeter = 2 \times (Length + Width)$

This gives

$Perimeter = 2 \times (5x^2 - 8x + 9 + x + 5)$

Collect like terms

$Perimeter = 2 \times (5x^2 - 7x + 14)$

Open brackets

$Perimeter = 10x^2 - 14x + 28$

Hence, the perimeter of the rectangle is $10x^2 - 14x + 28$

(2) The area of the triangle

This is the product of the dimensions of the rectangle.

So, we have:

$Area = Length \times Width$

This gives

$Area = (5x^2 - 8x + 9) \times (x + 5)$

Open brackets

$Area = 5x^3 - 8x^2 + 9x +25x^2 - 40x + 45$

Collect like terms

$Area = 5x^3 - 8x^2 +25x^2+ 9x - 40x + 45$

$Area = 5x^3 +17x^2 -31x + 45$

Hence, the area of the rectangle is $5x^3 +17x^2 -31x + 45$

Read more about areas and perimeters at:

brainly.com/question/15656646

6 0

1 year ago

Solve for x 7(x+3)≤4x−5 Give your answer as an improper fraction in its simplest form.

liq [111]

Answer:

7(x+3)≤4x-5= x≤ - $\frac{26}{3}$

i hope this helps you

8 0

2 years ago

Please help! Correct answer only, please! I need to finish this assignment this week Consider the matrix shown below: A. B. C. D

Makovka662 [10]

Answer:

Option D is correct

Step-by-step explanation:

The identity matrix is the matrix, in which, the diagonal elements are 1 and all of non-diagonal elements are 0.

Hope this helps!

3 0

2 years ago

What is the slope of a line perpendicular to a line with slope –9?

7nadin3 [17]

Answer:

The answer is 1/9.

Step-by-step explanation:

When solving for the slope of a perpendicular line to a given, you have to flip the opposite reciprocal.

First take the number and flip the reciprocal, in this case -9 turns into -1/9.

Then flip the sign, like making a negative to a positive or a positive to a negative. In this case make -1/9 into 1/9

Therefore the answer is 1/9.

3 0

2 years ago