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2 years ago

7 2/5 - 3 1/8= Another one

Mathematics

2 answers:

Gnoma [55]2 years ago

8 0

Answer:

The answer is 4.725

Step-by-step explanation:

pochemuha2 years ago

4 0

Answer:

4.725 is the correct answer

Step-by-step explanation:

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someone please explain to me how to find the area PLEASE! Find the area and perimeter of quadrilateral ABCD below. Explain your

Lunna [17]

Answer:

Part A) The area of the figure is $24\ units^{2}$

Part B) The perimeter of the figure is $20\ units$

Step-by-step explanation:

step 1

Find the area of the figure

we know that

The area of the figure is equal to the area of triangle ABD plus the area of triangle BCD

The area of triangle is equal to

$A=\frac{1}{2}bh$

<u>Area of triangle ABD</u>

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(9-5)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

<u>Area of triangle BCD</u>

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(5-1)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

The area of the figure is

$12\ units^{2}+12\ units^{2}=24\ units^{2}$

step 2

Find the perimeter of the figure

we know that

The perimeter of the figure is equal to

$P=AB+BC+CD+AD$

we have

$A(-5,1),B(-8,5),C(-5,9),D(-2,5)$

the formula to calculate the distance between two points is equal to

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

Find the distance AB

$d=\sqrt{(5-1)^{2}+(-8+5)^{2}}=5\ units$

Find the distance BC

$d=\sqrt{(9-5)^{2}+(-5+8)^{2}}=5\ units$

Find the distance CD

$d=\sqrt{(5-9)^{2}+(-2+5)^{2}}=5\ units$

Find the distance AD

$d=\sqrt{(5-1)^{2}+(-2+5)^{2}}=5\ units$

substitute the values

$P=5+5+5+5=20\ units$

7 0

2 years ago

Can someone help me with linear functions

kow [346]

I lost my dad in the war

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3 years ago

Please help RIGHT NOW PLEASE HELP NOW

Nikolay [14]

1. it describes what the cost would be for two medium lattes and one small latte all together.

2. it would be the first one which is 2x + y = 7.15

Step-by-step explanation:

5 0

2 years ago

Record this number in standard form: twenty-five thousand, four hundred fifty

bogdanovich [222]

Hi!

25 thousand

4 hundred

<h3>25,000 + 400 + 50 = 25,450</h3><h2>The answer is 25,450</h2>

Hope this helped you! :)

-Peredhel

4 0

2 years ago

What is 22b+3b simplified

ss7ja [257]

it's a simple addition:

22b + 3b =

25b

5 0

3 years ago