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3 years ago

Can some one help me with this, I really need some help!!!

Mathematics

1 answer:

Svetach [21]3 years ago

8 0

I'm pretty sure y is 47 and x is 46... hope that helps!

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Express 0.456 as a percent

nordsb [41]

<span>Express 0.456 as a percent
=
45.6%

hope it helps</span>

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3 years ago

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Someone please help asap! Thank you!

nekit [7.7K]

Answer:

The answer to your question is:

Perimeter = 26.5 units

Area = 22.5 units²

Step-by-step explanation:

Data

A (5, 9)

B (8, 0)

C (0, 9)

Formula

d = $\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2} }$

dAB = $\sqrt{(8 - 5)^{2} + (0 - 9)^{2} }$

dAB = $\sqrt{3^{2} + 9^{2} }$

dAB = $\sqrt{90}$

dBC = $\sqrt{(0 - 8)^{2} + (9 - 0)^{2} }$

dBC = $\sqrt{8^{2} + 9^{2} }$

dBC = $\sqrt{145}$

dAC = $\sqrt{(0 - 5)^{2} + (9 - 9)^{2} }$

dAC = $\sqrt{5^{2} + 0^{2} } \\$

dAC = $\sqrt{25} = 5$

Perimeter = $\sqrt{90} + \sqrt{145} + 5$

Perimeter = 26.5 units

Area = 1/2 [ ( 5x0) + (8x9) + (0 x 9) - (5x 9) - (0x 0) - (8x9)]

= 1/2 [ 0 + 72 + 0 - 45 - 0 - 72]

= 1/2 [-45]

= 45/2

= 22.5 units²

4 0

4 years ago

Vinny donates 15 dollars to charity every two weeks. At this rate, how long will it take Vinny to donate 90 dollars?

bazaltina [42]

Answer:

Step-by-step explanation:

Because 90/15 =6

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3 years ago

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dx? 1. f (x) = x2 and thus, as we will learn, f ′(x) = 2x. Find a differential equation for f . For this example, it should be o

mezya [45]

This boils down to simple algebraic manipulation.

$f'(x)=2x\implies\dfrac{f'(x)}2=x\implies\dfrac{xf'(x)}2=x^2=f(x)$

So one possible ODE (the simplest, in fact) is

$f'(x)=\dfrac2x f(x)$

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3 years ago

How do you solve 3/4 ( z+ 2/5)+2z

SIZIF [17.4K]

Answer:

11z/4 +3/10

Step-by-step explanation:

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