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Anastaziya [24]
3 years ago
13

Please help me i really need it 3y + 4 + 10 ÷ 4x x 12 ÷ 9 = ?

Mathematics
1 answer:
nekit [7.7K]3 years ago
7 0
I got 3y + 4 + 10x / 3
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427.0 mm is more precise.
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before Christmas a story steals fake Christmas trees for $289 after Christmas they sell the same trees for $150 what is the appr
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7 1/2- 3 7/10 or Seven and a half subtract three and seven tenths.
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Please help!! MathsWatch, Surd Expressions, Clip 207c
dexar [7]

Answer:

A=(72+36\sqrt{3})\ mm^2

Step-by-step explanation:

see the attached figure with letters to better understand the problem

Let

a ----> the height of rectangle in mm

b ---> the base of rectangle in mm

step 1

Find the base of rectangle

b=AB+BC+CD+DE ----> by segment addition postulate

substitute

b=3+3+3+3=12\ mm

step 2

Find the height of rectangle

a=FB+CG+GH ---> by segment addition postulate

substitute the given values

a=3+CG+3\\a=6+CG

Find the length sides CG

Applying the Pythagorean Theorem

BG^2=BC^2+CG^2

substitute the given values

6^2=3^2+CG^2

CG^2=6^2-3^2

CG=\sqrt{27}\ mm

simplify

CG=3\sqrt{3}\ mm

therefore

a=(6+3\sqrt{3})\ mm

step 3

Find the area of rectangle

A=ab

we have

a=(6+3\sqrt{3})\ mm

b=12\ mm

substitute

A=(6+3\sqrt{3})(12)=(72+36\sqrt{3})\ mm^2

8 0
3 years ago
Square root of 164,025
Darina [25.2K]

Answer:

405

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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