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daser333 [38]
3 years ago
11

The polygon angle sum theorem states that the sum of the measures of the interior angles of an n-gon is

Mathematics
1 answer:
mafiozo [28]3 years ago
8 0

Answer:

D.

Step-by-step explanation:

The formula is Sum(n) = (n -2) 180.

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2.5 kg of potatoes cost £1.40<br> Work out the cost of 4.25 kg of potatoes.<br> 5.95
kvasek [131]

Answer:

£2.38

Step-by-step explanation:

Write and solve an equation of ratios:

 £1.40       2.5 kg

----------- = ------------

     c          4.25 kg

Cross multiplying, we get:

(£1.40)(4.25 kg) = (2.5 kg*c), or

       (£1.40)(4.25 kg)

c = -------------------------- =  £2.38

             2.5 kg

4 0
3 years ago
Factor 64x^2-25y^2<br><br> enter your answer in the box
OLEGan [10]

Answer:

(8x - 5y)(8x + 5y)

Step-by-step explanation:

To factor the expression, use the difference of squares pattern. A difference of squares is subtraction between two perfect squares and factors as a² - b² = (a-b)(a+b).

The expression has the perfect squares 64x² and 25y². Take the square root of each. The factors become (8x - 5y)(8x + 5y).

3 0
3 years ago
Pls answer asap! i need help :c
antoniya [11.8K]
Volume: length • height • width so
17 • 17 • 10= 2890
And since it’s a triangular prism u have to multiply it by 1/2 or 0.5 whatever form u like
2890 • 1/2= 1445 <= that’s the answer so b
4 0
3 years ago
Solve x^3+9x^2-52x*<br> -13, 0, 4<br> 0, 4, 13<br> -13, -4, 0<br> 1, 2, 3
loris [4]

Answer

It would be 1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write an equation based on these world problemKelsie wants to go play airsoft for $18.99 each hour (let that be h for hours) + $
Strike441 [17]

Solution

Problem 1:

- Kelsie pays a one-time fee for the equipment of $5.00. This is a fixed cost that never changes and is paid just once.

- Kelsie pays $18.99 for each hour (h). This means that

For 1 hour, Kelsie pays $18.99 * 1 = $18.99

For 2 hours, Kelsie pays $18.99 * 2

For 3 hours, Kelsie pays $18.99 * 3

And so on...

- We can generalize this for h hours. That is,

For h hours, Kelsie pays $18.99 * h

- Thus, Kelsie pays $18.99h after h hours separate from the initial fee of $5.00.

- Thus, her total cost would be the addition of the flat fee of $5.00 and the cost of playing for h hours. That is:

\begin{gathered} Total\text{ Cost}(A)=18.99h+5 \\ where, \\ h=\text{ Number of hours elapsed} \end{gathered}

Problem 2:

- Jayson pays $35 per hour with no initial flat fee.

- Following the same logic as in the case of Kelsie, we can write the total cost incurred by Jayson after h hours is:

Total\text{ Cost\lparen P\rparen}=35h

Final Answer

The answers are:

Problem 1:

A=18.99h+5

Problem 2:

P=35h

8 0
1 year ago
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