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3 years ago

What is the same in all of these polygons

Mathematics

2 answers:

sdas [7]3 years ago

6 0

My guess is that they all have four (4) sides because polygons only have 4 sides

MrMuchimi3 years ago

3 0

Please add a photo so we can understand what you mean and your question.

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Elijah has $0.55 worth of pennies and nickels. He has twice as many nickels as pennies. Determine the number of pennies and the

maxonik [38]

Answer:

The number of nickels are 10 and number of pennies are 5.

Step-by-step explanation:

Given:

Elijah has $0.55 worth of pennies and nickels.

He has twice as many nickels as pennies.

Now, to determine the number of pennies and the number of nickels that Elijah has.

Let the number of nickels be $x.$

And the number of pennies be $y.$

As given that he has twice as many nickels as pennies.

$2y=x$

$x=2y.$ ......(1)

The total worth of worth of pennies and nickels = $0.55.

As, the value of a penny = $0.01.

And the value of a nickel = $0.05.

Now, to get the number of pennies and the number of nickels that Elijah has:

$0.05(x)+0.01(y)=0.55$

Putting the value of $x$ from equation (1):

$0.05(2y)+0.01(y)=0.55$

$0.10y+0.01y=0.55$

$0.11y=0.55$

Dividing both sides by 0.11 we get:

$y=5.$

The number of pennies = 5.

Now, putting the value of $y$ in equation ( 1 ) we get:

$x=2y\\x=2\times 5\\x=10.$

The number of nickels = 10.

Therefore, the number of nickels are 10 and number of pennies are 5.

3 0

3 years ago

Given the functions f(x) = 7x + 13 and g(x) = x + 2, which of the following functions represents f[g(x)] correctly?

ololo11 [35]

Answer:

f[g(x)]= 7x + 27

Step-by-step explanation:

g(x) = x + 2,

f(x) = 7x + 13,

f[g(x)] means you substitute the value of g(x) into the variable of f(x);

Which is 7( x+2) + 13 = 7x +14 +13

= 7x + 27

5 0

3 years ago

If Max had a 12 ounce bottle and his friend drank 1 ounce how much would he left of ounces

yKpoI14uk [10]

Answer:

11 ounces

Step-by-step explanation:

12-1=11

7 0

3 years ago

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How do the gcf and the lcm help you when multiplying and adding or subracting fractions

kari74 [83]

<h3>Explanation:</h3>

GCF: the greatest common factor of numerator and denominator is a factor that can be removed to reduce the fraction.

Example

The numerator and denominator of 6/8 have GCF of 2:

6/8 = (2·3)/(2·4)

The fraction can be reduced by canceling those factors.

(2·3)/(2·4) = (2/2)·(3/4) = 1·(3/4) = 3/4

___

LCM: the least common multiple of the denominators is suitable as a common denominator. Addition and subtraction are easily performed on the numerators when the denominator is common.

Example

The fractions 2/3 and 1/5 can be added using a common denominator of LCM(3, 5) = 15.

2/3 + 1/5 = 10/15 + 3/15 = (10+3)/15 = 13/15

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3 years ago

123 divided by 5? Please help I need the answer now!!!

inysia [295]

Answer:

24.6

Step-by-step explanation:

4 0

3 years ago

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