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3 years ago

Please Help! I will give you a lot of points!

Mathematics

1 answer:

LuckyWell [14K]3 years ago

5 0

(56,7) is the co-ordinate of point B.

(56,7)

It means that the ball has travelled 56yards .it is at the height of 7ft.

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Subtract 2x^2-3xy+4y^2 from 3x^2-5xy-6y^2

Diano4ka-milaya [45]

Answer:

$-x^{2} +2xy+10y^{2}$

Step-by-step explanation:

$2x^2-3xy+4y^2-(3x^2-5xy-6y^2)\\2x^2-3xy+4y^2-3x^2+5xy+6y^2\\-x^{2} +2xy+10y^{2}$

8 0

3 years ago

If I can paint 96 sq ft in 15 minutes how long does it take to paint 1 sq ft

White raven [17]

It takes 0.15625 minutes to paint 1 square feet

<em><u>Solution:</u></em>

Given that, I can paint 96 sq ft in 15 minutes

To find: Time taken to paint 1 square feet

From given,

96 square feet is painted in 15 minutes

Let "x" be the time taken to paint 1 square feet

Then, we can say,

96 square feet = 15 minutes

1 square feet = x minutes

This forms a proportion and we can solve the sum by cross multiplying

$96 \times x = 15 \times 1\\\\x = \frac{15}{96}\\\\x = 0.15625$

Thus it takes 0.15625 minutes to paint 1 square feet

8 0

3 years ago

Iel travels 400 miles in 8 hours. What is her rate of change or speed? A) 40 miles per hour B) 50 miles per hour C) 55 miles per

kupik [55]

The speed is 400/8=50mph

3 0

3 years ago

What is the domain, range, and function? {(-3, 3), (1, 1), (0, -2), (1,4), (5, -1)}

wolverine [178]

The domain are all the inputs, that is; the x-values

Domain = { -3, 0, 1, 5}

The range are all the output, that is the y-values

Range = { 3, 1, -2, 4, -1}

This is just a relation and not a function, as we have more than 2 same value of x

8 0

1 year ago

9) Simplify 2x^5-6^2+4x^4y/2x

KonstantinChe [14]

Answer:

x^4+2x^3y-3x

Step-by-step explanation:

6 0

2 years ago