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dem82 [27]
3 years ago
12

WILL MARK BRAINLIST!! Please help!!!

Mathematics
2 answers:
ELEN [110]3 years ago
3 0

Answer:

the sum of total angles of triangle is 180°.

lutik1710 [3]3 years ago
3 0
40 Degrees.
4x + 3x + 2x = 180°
9x = 180°
x = 180° / 9
x = 20°
4x = 4 × ( 20° )
4x = 80°
3x = 3 × ( 20° )
3x = 60°
2x = 2 × ( 20° )
2x = 40°
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What is the area of the figure?
nirvana33 [79]

We can break it into two parts.

-> First, the rectangle on the bottom is made up of 2 feet x 16 feet. The formula for area of a rectangle is length times width, so in this case it is equal to 32 feet

-> Next, the triangle has sides of 10 feet, 10 feet, and 16 feet. We can calculate that the height is 6. The formula for area of a triangle is base times height divided by two, so, \frac{16*6}{2}= \frac{96}{2} = 48 feet

-> Last, we can add the two totals together. 32 feet + 48 feet = 80 feet giving us our final answer of 80 feet². As this answer is not pictured I am going to assume they are not including Heron's formula or other more complex formulas, leading us to the answer of "can't be determined"

Answer:

O can't be determined

Have a nice day! - <em>Note: It depends on the level of your math class for whether the answer "cannot be determined" is correct as it can be determined, just takes more effort than simple one - two-step formulas.</em>

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

     ★ Also please leave the rating you think I deserve (It helps other users as well as myself)

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5 0
2 years ago
Please can you give me some facts on percentages other than how to work them out???
MariettaO [177]
Say your test is out of 100 and you 75 correct to calculate your percent you would go

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4 0
3 years ago
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You buy 6 notebooks and a backpack. The cost of the backpack is $18.70. You pay 6% in sales tax on your purchase, and your total
s2008m [1.1K]

Answer:

$3.05

Step-by-step explanation:

Backpack=$18.70

6 note books=x

Sales tax=6%

Total cost=$39.22

18.70+x+0.06(18.70+x)=39.22

18.70+x+1.122+0.06x=39.22

19.822+1.06x=39.22

1.06x=39.22-19.822

1.06x=19.398

x=19.398/1.06

=18.3

x=$18.3

6 books=$18.3

Each book cost=18.3/6

=$3.05

5 0
3 years ago
Which order pair is a solution to the system of linear equations -4+y=8 and x-5y=17?
andreev551 [17]

Hello!

To find this ordered pair, we solve for x and y and put them together in an ordered pair.

-4+y=8

x-5y=17

Let's solve the first equation for y.

y= 12

Now, let's plug 12 into the second equation for y.

x-5(12)=17

x-60=17

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Therefore, our ordered pair is (77,12)

I hope this helps!

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3 years ago
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viktelen [127]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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