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Mademuasel [1]
3 years ago
13

HELP FAST!! solve for X

Mathematics
2 answers:
brilliants [131]3 years ago
6 0

The sum of the inside angles of a 6 sides figure is 720

Add the known angles together:

90 + 112 + 131 + 154 + 118 = 605

Subtract the sum of the known angles from 720 for x:

x = 720 - 605 = 115

x = 115 degrees.

Ksju [112]3 years ago
5 0

Answer:

The sum of the interior angles of the hexagon is 720°

x + 154 + 131 + 112 + 90 + 118 = 720 \\ x + 605 = 720 \\ x = 720 - 605 \\  \boxed{x = 115}

<h3>x= 115° is the right answer.</h3>
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A 20” Square is being copied at 25%. What are the dimensions of the New square after being copied?
Triss [41]

Answer:

5"

Step-by-step explanation:

You are copying a square of side 20 inches into a smaller version of it that is exactly 25% of the original size.

Notice that 25% can be written in fraction form as: \frac{25}{100} = \frac{1}{4}

This gives us a clue about how to reduce the original dimension: "multiply it by \frac{1}{4}, which is the same as divide it by 4:

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Noah wants to buy a skateboard that usually sells for $79.99. All merchandise is discounted by 12%. What is the total cost of th
beks73 [17]

Answer:

$74.36 sorry all i got

Step-by-step explanation:

First, we need to determine the sales price of the skateboard. The formula for find the discounted prices is:

Where:

is the sales price of the item: what we are solving for in this part of the problem.

is the regular price of the item: $79.16 for this problem.

is the discount rate: 12% for this problem. "Percent" or "%" means "out of 100" or "per 100", Therefore 12% can be written as  

12

100

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79.16

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79.16

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69.6608

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rounded to the nearest cent.

Now we can find the total price of the item with tax included. The formula for this is

#t = p + (p * r)

Where, this time:

is the total price: what we are solving for in this problem.

is the price of the item: it is the sales price of the item for this problem which is $69.66

is the tax rate: 6.75% or, using the same rule as in the formula above:  

6.75

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Substituting and calculating  

gives:

69.66

69.66

6.75

100

69.66

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69.66

4.70205

74.36205

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rounded to the nearest cent.

Noah would pay a total cost (with the discount and after tax) of $74.36

5 0
3 years ago
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Does anyone understand how to do this? If you do can you explain how I solve it and receive the answer?
UNO [17]

Answer:

slope-intercept form equation: y = x + 5

Step-by-step explanation:

you take the 2 y's, 18 and -13, then you subtract them: 18 - (-13) = 31

then you take the 2 x's, 13 and -18, subtract them too: 13 - (-18) = 31

divide those 2 sums: 31/31  = 1

so the slope is 1

then when you graph it you get an y-intercept of 5

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hope this helps :)

6 0
3 years ago
Is the following a statistical question? How many cars are in each driveway on your street?
maria [59]

Answer:

yes

Step-by-step explanation:

mark brainliest

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