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Gekata [30.6K]
3 years ago
5

Find the perimeter of the rectangle

Mathematics
2 answers:
VashaNatasha [74]3 years ago
6 0
There aren’t any units so the formula for finding the perimeter of a rectangle= 2(l+w)
L= length
W= width
mixas84 [53]3 years ago
3 0

Answer:

46cm

Step-by-step explanation:

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350 cm^2 (A for connections academy)
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4 years ago
Jim has only dimes and nickels in his coin bank. He has 37 coins with a total value of $2.65.
guajiro [1.7K]

Answer:

21

Step-by-step explanation:

Let x represent the number of dimes and y represent the number of nickels.  The total number of coins is 37; this gives us the equation

x+y = 37

Each dime is worth ten cents, or 0.10, and each nickel is worth five cents, or 0.05.  The total amount of money is given by

0.10x+0.05y = 2.65

This gives us the system

\left \{ {{x+y=37} \atop {0.10x+0.05y=2.65}} \right.

To solve this, we will use substitution.  We will isolate x in the first equation:

x+y=37

Subtract y from each side:

x+y-y = 37-y

x = 37-y

Substitute this into the second equation:

0.10(37-y)+0.05y = 2.65

Using the distributive property,

0.10(37)-0.10(y)+0.05y = 2.65

3.70-0.10y+0.05y = 2.65

Combining like terms,

3.70-0.05y = 2.65

Subtract 3.70 from each side,

3.70-0.05y-3.70 = 2.65-3.70

-0.05y = -1.05

Divide both sides by -0.05:

-0.05y/-0.05 = -1.05/-0.05

y = 21

There were 21 nickels.

4 0
3 years ago
Read 2 more answers
How you do you solve for it??
AysviL [449]
Sam is dead, im sorry to have to tell you over line, i love you mom
With love,
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6 0
3 years ago
Compare 3.6 to the square root of 12
Burka [1]
The square root of 12 is 3.4641 so 3.6 would be greater than 3.4641
3 0
3 years ago
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Which expression represents the phrase?"4 more than the product of 8 and n."A) 8n – 4B) 8n + 4C) 4(8 + n)D) (8 + n) – 4
Dafna11 [192]

Answer:

B) 8n+4

Step-by-step explanation:

The product of 8 and n means 8n. Four more means +4. These together equal B) 8n+4

6 0
3 years ago
Read 2 more answers
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