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3 years ago

Please help me fast and show all your work please thx

Mathematics

2 answers:

MrMuchimi3 years ago

7 0

7x4x5= 140
Hope this helps!

Liula [17]3 years ago

3 0

Answer:

Step-by-step explanation:

$Area=\frac{1}{2}*(7+5)*4\\\\=\frac{1}{2}*12*4\\\\=6*4\\\\=24m^{2}$

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A certain forest covers an area of 2100 km^2. Suppose that each year this area decreases by 5.25%. What will the area be after 6

Neko [114]

Answer:

The area after 6 years is $1519.49km^2$

Step-by-step explanation:

Given

$a = 2100$ --- Initial Value

$r = 5.25\%$ --- Rate

Required

Determine the area after 6 years

Because the area reduces,, the following formula will be used to solve the question.

$y = a*(1 - r)^t$

Here

$t = 6$

So, we have:

$y = 2100*(1 - 5.25\%)^6$

Convert percentage to decimal

$y = 2100*(1 - 0.0525)^6$

$y = 2100*(0.9475)^6$

$y = 1519.47866516$

$y = 1519.49$ -- approximated

The area after 6 years is $1519.49km^2$

4 0

2 years ago

How many variable terms are in the expression 3x3y +5x2-4y+z+9?numeric value only

natta225 [31]

Answer:

im pretty sure its 5

Step-by-step explanation:

x, y, x, y, z

Hope this helps!

4 0

3 years ago

How are the place value positions to either side of a particular number related

jenyasd209 [6]

I will draw a place value chart on paper than write the numbers

3 0

3 years ago

Given AVXY and AVWZ, what is WW? helpppp pls

Yuliya22 [10]

Answer:

Step-by-step explanation:

VZ = 44-27.5 = 16.5

ZY/VY = ⅝

WX = ⅝ of VX

VX = 36×8/5 = 57.6

VW = VX - WX = 21.6 units

7 0

2 years ago

Correct

Gekata [30.6K]

Answer:

Step-by-step explanation:

4km

$\frac{3 }{27} \frac{miles}{minutes}$ * $\frac{60}{1} \frac{min}{hour}$ * $\frac{1}{.6213} \frac{km}{mile}$

4km ÷ 10.73 km/hr = .37 hr = 22.3 minutes

7 0

2 years ago

Please help me fast and show all your work please thx ​

Please help me fast and show all your work please thx