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2 years ago

Hey can y’all help me

Mathematics

1 answer:

Scrat [10]2 years ago

8 0

$\huge{ \rm{Question:}}$

What is the internal angle sum of a polygon with 20 sides?

A) 3,240°

B) 3,420°

C) 3,600°

D) 3,780°

$\huge{ \rm{Answer:}}$

HOPE THIS HELPS^^

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What is the area of the shape?

Marysya12 [62]

76 8x7 =56 8x3 =24 24 divided by 2 is 12 8x2=16 16 divided by two is 8 add them together 76

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2 years ago

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Katie buys a large pizza for $14.99 and bottles of soda for $1.50 each. If the total cost was $23.99, how many bottles of soda (

Nady [450]

The number of soda bottles Katie bought is 6

The given parameters are:

Large Pizza = $14.99
Soda = $1.50 per bottle
Total cost = $23.99

Assume the number of soda bottle is x.

So, we have:

$Total = Pizza + Soda \times x$

This gives

$23.99 = 14.99 + 1.50\times x$

Subtract 14.99 from both sides of the equations

$9 = 1.50\times x$

Divide both sides of the equations by 1.5

$6=x$

Rewrite the equation as

$x = 6$

Hence, the number of bottles is 6

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2 years ago

The product of a number and 7, decreased by the number is equal to 42. find the number.

lozanna [386]

Let the number be x.
7x-x=42
6x=42
x=7
the number is 7

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2 years ago

Please help me photo include

nikklg [1K]

Answer:

$\frac{-117}{10}$

Step-by-step explanation:

1) Change the mixed fractions into improper fractions:

$-3\frac{1}{5} + (-8\frac{1}{2} )\\= \frac{-16}{5} - \frac{17}{2}$

2) Multiply the first fraction by 2/2 and the second fraction by 5/5 in order to create common factors on the denominator (You can do this because you are essentially multiplying by one, for example 2/2 = 1):

$\frac{-16}{5} *\frac{2}{2} - \frac{-17}{2} * \frac{5}{5} \\ =\frac{-32}{10} - \frac{85}{10}$

3) Simplify the numerator(top part) while keeping the denominator(bottom part) the same:

$\frac{-32}{10} -\frac{85}{10} \\\\=\frac{-32 - 85}{10}\\ \\= \frac{-117}{10}$

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3 years ago

The function has three factors. Two of these factors

borishaifa [10]

The values of a and b will be -2 and 22 while the other factor in the function is x - 3/2.

<h3>How to illustrate the function?</h3>

The function is given as:

f(x) = ax³ - x² + bx - 24.

Since (x - 2) and (x - 4) are the factors, they will give functions of 8a + 2b = 28 and -16a - b = 10.

This will be solved by elimination method and the values of a and b will be -2 and 22.

Therefore, f(x) = -2x³ - x² + 22x - 24

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1 year ago