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3 years ago

What is the area of the arrow

Mathematics

1 answer:

Stolb23 [73]3 years ago

4 0

Answer:

20.25 ft

Step-by-step explanation:

area of the triangle = 12.25 ft

area of rectangle = 18ft

= 20.25 ft

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Apply the laws of exponents, calculate the result and express the result in scientific notation, and as a decimal:

DochEvi [55]

We are given

$\frac{(4.1\times 10^{3})(2.8\times 10^{-7})}{(3.1\times 10^{-5})}$

We can move like terms altogether

$\frac{(4.1\times 10^{3})(2.8\times 10^{-7})}{(3.1\times 10^{-5})}=\frac{4.1\times 2.8}{3.1}\times \frac{10^{3}\times 10^{-7}}{10^{-5}}$

now, we can use property of exponent

$a^m\times a^n=a^{m+n}$

$=\frac{4.1\times 2.8}{3.1}\times \frac{10^{3-7}}{10^{-5}}$

We can use another exponent property

$\frac{a^m}{a^n} =a^{m-n}$

so, we get

$=\frac{4.1\times 2.8}{3.1}\times 10^{3-7+5}$

$=\frac{4.1\times 2.8}{3.1}\times 10^{1}$

$=3.70323\times 10^{1}$

So, the result in scientific notation is

$=3.70323\times 10^{1}$ ..........Answer

So, the result as a decimal is

$=37.0323$ .............Answer

8 0

4 years ago

C+1(4-3c)-2=0 helpppppp plzz

scoray [572]

C+4-30-2=0
-2c+2=0
-2 -2

C=1

5 0

3 years ago

Aimi is making Valentine’s Day cards for everyone in her class. She plans to use a whole sheet of paper for each of her 6 closes

DaniilM [7]

34 - 6 = 28
28 x 8 = 224

After making the 6 whole sheet of paper cards for her closest friends Aimi will have 28 pieces of paper left.

Since she wants to use 1/8 of a sheet per valentine (think of it as one piece of paper can make 8 valentines) you can do 28 pieces of paper multiplied by 8 which gives you 224 valentines.

8 0

3 years ago

Question 4 pleeeeease help

LiRa [457]

It should be B because it is the only one with a negative sign. The first one is not a slope problem.

6 0

3 years ago

Help me pleasse it’s really late

IceJOKER [234]

Answer:

120 yards

Step-by-step explanation: