All categories

2 years ago

Please help!!!!!!! I’m in a hurry

Mathematics

2 answers:

ad-work [718]2 years ago

5 0

Answer:

Length= 98m

Width= 73cm

Step-by-step explanation:

Find the length when you have the perimeter and the width

2l+2w=perimeter

366=85(2)+2L

366=170+2L

196=2L

L=98

Find the width when you have the area and the length

A=LW

6351=87w

W=73

nevsk [136]2 years ago

4 0

Answer:

a) 98 m
b) 73 cm

Step-by-step explanation:

a) Perimeter = 2L + 2W

=> 366 = 2L + 2(85)
=> 366 = 2L + 170
=> 366 - 170 = 2L
=> 196 = 2L
=> 98 m = L

b) Area = LB

=> (87)B = 6351
=> B = 6351/87
=> B = 73

Hence, the answers are:

a) 98 m
b) 73 cm

$BrainaicUser1357$

You might be interested in

Question 2 of 10

Kruka [31]

Answer:

Step-by-step explanation:

Its A

im pretty sure yah!!

7 0

1 year ago

b) Your uncle Jim lives in England, where the current exchange rate is 1.64 US dollars for each British pound. Solve for the amo

noname [10]

Since we need your monthly bill we will call it the variable B for now, (Unless you have the bill, if so replace it with the variable)
Multiply 1.64 x B since the exchange rate is different than the US bill,
For example, say your bill is $100 in the U.S.
You do 1.64 x 100 = A monthly bill of $164 if you lived in Britain

8 0

3 years ago

Read 2 more answers

Determine the percentage of the square that belongs to each of the four regions. (image included)

tatyana61 [14]

Step-by-step explanation:

maybe you can try to measure each of the ways maybe and you can get the equation

3 0

2 years ago

Dan invests £6800 into his bank account. He receives 5% per year compound interest. How much will Dan have after six years? Give

tia_tia [17]

Answer:

£6800 times (1.05)to the power of 6

=£9112.65

Step-by-step explanation:

5 0

3 years ago

Prove that sin20sin40sin60sin80=3/16

never [62]

We'll use the following properties of sine and cosine to prove this:

$sin(a)\cdot sin(b) = \frac12(cos(a-b) - cos(a+b))$

$cos(a)\cdot cos(b) = \frac12(cos(a+b) + cos(a-b))$

$cos(180+a) = cos(180-a)$

Then it's just a matter of filling it in...

sin20sin40 * sin60sin80 = 1/2(cos20 - cos60) * 1/2 (cos20 - cos140) =

1/8( cos40 + 1 - cos160 - cos120 - cos40 - cos80 + cos80 + cos200) =

1/8(1 - cos160 - cos120 + cos200) =

1/8(1 - cos160 - cos120 + cos160) =

1/8(1 - cos120 ) = 1/8( 1 + 1/2 ) = 3/16

5 0

3 years ago