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4 years ago

13

How to solve two step equations

1 answer:

ASHA 777 [7]4 years ago

7 0

You must attack it one step at a time.

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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

F(x)=4x^2+5x-3<br> g(x)=4x^3-3x^2+5<br> Find (f-g)(x)

Zarrin [17]

Answer:

-4x^3+ 7x^2 + 5x-8

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Gina has 7 2/6 ft of silver ribbon and 2 4/6 of gold ribbon how much more silver ribbon does Gina have than gold ribbon?

salantis [7]

Answer:

Gina has 5 more feet of silver ribbon than gold

Step-by-step explanation:

7 - 2 =5

7 0

3 years ago

What are the square roots of 64/144

grin007 [14]

Answer:

3rd one

Step-by-step explanation:

7 0

4 years ago

Help me please i don't understand this very well

Firlakuza [10]

Answer: 80.5

Step-by-step explanation:

Given that,

Base of Triangle = 23 ft

Height of Triangle = 7 ft

We know,

Area of Triangle

= 0.5 × Base × Height unit^2

=(0.5 × 23 × 7) ft^2

= 80.5

5 0

2 years ago