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Ksenya-84 [330]
2 years ago
10

Proving the Sum of the Interior Angle Measures of a Triangle Is 180°

Mathematics
2 answers:
navik [9.2K]2 years ago
8 0

Answer:proved

Step-by-step explanation:

Sum of interior angles of a polygon=180

Sum of interior angles of a polygon=180(n-2)

n=number of sides

a triangle have 3 sides n=3

Sum of interior angles of a triangle=180(3-2)

Sum of interior angles in a triangle=180 x 1

Sum of interior angles in a triangle=180°

Alekssandra [29.7K]2 years ago
6 0

Answer:

im adding the completed one to all of the questions

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Enter the values for the variables that give the correct simplified expressions, x = ≥ 0.
ELEN [110]

Answer:

b= 2x²; c = 4; 3 = 3 ; g = 6x

Step-by-step explanation:

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2 years ago
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Horizontal and parallel lines M Q and U R are intersected by 2 diagonal lines N S and P T to form triangle E G F. Line N S inter
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Answer:

I think it is ∠PEQ  

Step-by-step explanation:

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2 years ago
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A supermarket employee is making a mixture of cashews and almonds. Cashews cost $7 per pound, and almonds cost $5 per pound. The
svetoff [14.1K]
Because he needs less than (note that he didn't say he needs no more than) 6 pounds, first inequality is C) x+y<6

Now in inequalities that have 7 and 5 in them, 7 represents the cost of first ingredient and 5 the cost of second ingredient. If we multiply each of that number with quantity of that ingredient and sum both up we get the price of the mixture.

Because he says that he wants that mixture costs no more than 30 that means that it costs less than 30 but 30 can be the answer as well.

The last answer is E)  7x + 5y \leq 30
8 0
2 years ago
14x^2 + 37x + 5....Richard is designing a new website for students to create study groups and collaborate with other students.
Furkat [3]
Answers:
1) The constant of the polynomial expression represents the:
number of group members when the site launches

2) The binomial (1+7x) is a factor of the polynomial expression and represents the:
number of members per group after x months

Solution:
1) The estimate for the total number of groups members (y) is given by the polynomial expression:
y=14x^2+37x+5
where x is the number of months since the site's launch.

When the site launchs:
x=0→y=14(0)^2+37(0)+5=14(0)+0+5=0+0+5→y=5
The number of group members when the site launches is 5
And the problem says: "The site will launch with five study groups"

2) The site will launch with five study groups, each with its creator as its only member, then the number of members per group is 1.
Richard estimates that seven new members will be added to each study group every month (x), then:
The number of members per group after x months will be: 1+7x

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2 years ago
Which quantity is proportional to 35⁄80?
gladu [14]
7/16 I hope this helps
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2 years ago
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