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9966 [12]
2 years ago
5

the perimeter of a rectangle is 68 cm. The length is 4cm more than its width. Find the dimensions of the rectangle

Mathematics
1 answer:
Iteru [2.4K]2 years ago
3 0

Answer:

W=15cm

L=19cm

The dimensions are 15cm by 19cm

Step-by-step explanation:

P=2W+2L

L=4+W

68=2W + 2(4+W)

68=4W+8

60=4W

W=15cm

L=4+15

L=19cm

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If I was born in 1946 what year was I twenty years old
oee [108]

Answer:

If you was born in 1946 you would be twenty years old in:

1946+20

1966

4 0
2 years ago
if Dakota earned $15.75 in interest in account A and $28.00 in interest in account B after 21 months. if the simple interest rat
NISA [10]

keeping in mind that 21 months is more than a year, since there are 12 months in a year,  then 21 months is really 21/12 years.


\bf ~~~~~~ \stackrel{\textit{account A}}{\textit{Simple Interest Earned}} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &15.75\\ P=\textit{original amount deposited}\dotfill \\ r=rate\to 3\%\to \frac{3}{100}\dotfill &0.03\\ t=years\to \frac{21}{12}\dotfill &\frac{7}{4} \end{cases} \\\\\\ 15.75=P(0.03)\left( \frac{7}{4} \right)\implies \cfrac{15.75}{(0.03)\left( \frac{7}{4} \right)}=P\implies \boxed{300=P}


\bf ~~~~~~ \stackrel{\textit{account B}}{\textit{Simple Interest Earned}} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &28\\ P=\textit{original amount deposited}\dotfill \\ r=rate\to 4.9\%\to \frac{4.9}{100}\dotfill &0.049\\ t=years\to \frac{21}{12}\dotfill &\frac{7}{4} \end{cases} \\\\\\ 28=P(0.049)\left( \frac{7}{4} \right)\implies \cfrac{28}{(0.049)\left( \frac{7}{4} \right)}=P\implies \boxed{326.53\approx P}


so, clearly, you can see who's greater.

3 0
3 years ago
Show division using an area model
wariber [46]
Hey do you have a question you have to read
7 0
2 years ago
Ken earned $128 from his part-time job this summer. He spent 25% of his money on games. He is going to donate 1/6 of the remaini
dedylja [7]

Answer:

B) $16

Step-by-step explanation:

Alright so first you want to take the total amount of money made :

$128

Next you want to find 25% of this number (or 1/4) and subtract it from the total.

So :

128 / 4 = 32

So now we take 128 and subtract 32. (32 = 1/4 or 25% of 128)

128 - 32 = 96

Ken now has $96 left over after spending money on games.

So now that we have this number we need to find 1/6 of it because he took 1/6 of the money after he bought games and put it towards charity.

So :

96 / 6 = 16

16 is equal to 1/6 of his leftover money after games and is the amount the charity received.

B) $16

I hope this helps! :)

If you are confused or have any questions please comment or dm and I would be happy to help.

Also change the pfp FeelsGoodMan

4 0
2 years ago
Read 2 more answers
Find the horizontal asymptote for y= 5x/x+6 . <br> y = 0 <br> y = −6<br> none<br> y = 5
gayaneshka [121]

Answer:

y

=

5

x

x

+

6

Find where the expression

5

x

x

+

6

is undefined.

x

=

−

6

Consider the rational function

R

(

x

)

=

a

x

n

b

x

m

where

n

is the degree of the numerator and

m

is the degree of the denominator.

1. If

n

<

m

, then the x-axis,

y

=

0

, is the horizontal asymptote.

2. If

n

=

m

, then the horizontal asymptote is the line

y

=

a

b

.

3. If

n

>

m

, then there is no horizontal asymptote (there is an oblique asymptote).

Find

n

and

m

.

n

=

1

m

=

1

Since

n

=

m

, the horizontal asymptote is the line

y

=

a

b

where

a

=

5

and

b

=

1

.

y

=

5

There is no oblique asymptote because the degree of the numerator is less than or equal to the degree of the denominator.

No Oblique Asymptotes

This is the set of all asymptotes.

Vertical Asymptotes:

x

=

−

6

Horizontal Asymptotes:

y

=

5

No Oblique Asymptotes

image of graph

5 0
2 years ago
Read 2 more answers
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