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3 years ago

A relation is:

Mathematics

2 answers:

krok68 [10]3 years ago

8 0

D. X and y values written in the form of (x,y)

kodGreya [7K]3 years ago

7 0

The answer would be D since x,y is a function

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Find the area D (1,3) F (-4,-3) E (4, -3)

tresset_1 [31]

Answer:

Step-by-step explanation:

FE=4+4=8

Altitude=3+3=6

area=1/2×FE×6=1/2×8×6=24 sq. units.

area=1/2×

I 1 3|

|-4 -3|

| 4 -3|

| 1 3|

=1/2[(-3+12)+(12+12)+(12+3)]

=1/2[9+24+15]

=1/2[48]

=24 sq. units

7 0

3 years ago

Thomas has 12 more marbles than twice the number of marbles Andrew has.

Thepotemich [5.8K]

Answer:

x + 2 + 12

Step-by-step explanation:

Thomas (t) = Andrew (x) * 2 + 12

3 0

3 years ago

Can y’all please help me answer these questions

mario62 [17]

Step-by-step explanation:

⇒ $V = \pi r^{2}h$

⇒ $V = \pi(10)^{2}(40)$

⇒ $V = 4000\pi$

⇒ $V = 12566.4cm^{3}$

⇒ $V = \frac{1}{3}\pi r^{2}h$

⇒ $V = \frac{1}{3}\pi (8)^{2}(h)$

As we know the radius and slant height, we can use Pythagoras' Theorem to find the perpendicular height.

⇒ $a^{2} + b^{2} = c^{2}$

⇒ $(8)^{2} + h^{2} = 20^{2}$

⇒ $h = \sqrt{20^{2} - 8^{2}}$

⇒ $h = 4\sqrt{21}$

Now substitute this into the volume formula.

⇒ $V = \frac{1}{3}\pi (8)^{2}(4\sqrt{21})$

⇒ $V = \frac{256\sqrt{21} }{3}\pi$

⇒ $V = 1228.5mm^{3}$

⇒ $V = l^{3}$

⇒ $V = (3.1)^{3}$

⇒ $V = 29.8inches^{3}$

⇒ $V = \frac{1}{3}lwh$

⇒ $V = \frac{1}{3}(12)(4)(6)$

⇒ $V = 96inches^{3}$

6 0

3 years ago

Read 2 more answers

1. Miles and Simon do chores to earn an allowance from their parents. Miles has $120 saved and gets a $10 allowance per week. Hi

Ket [755]

Answer:

If w represented the number of weeks he does his chores, the equations would be:

Miles: 120+10w

Simon:75+15w

7 0

3 years ago

(x2 - 4x + 3) + (3x2 – 3x - 5)

tatyana61 [14]

Answer:

(x - 2) • (4x + 1)

Step-by-step explanation:

3 0

3 years ago