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2 years ago

Find the side length of a. Pls help!

Mathematics

1 answer:

sdas [7]2 years ago

6 0

Answer:

im too eionf0qn3490fn0wiopf

Step-by-step explanation:

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The sum of the angle measures of any triangle is 180 degrees. find the angle measures of a triangle if the second angle measures

MissTica

A+b+c= 180
<span>a = ?
</span><span>b = 2a - 10 (twice a minus 10)
</span><span>c = b + 25 (25 more than b)
</span><span>Substitute for b
c = (2a-10) + 25
</span><span>Now substitute back into a+b+c=180
a + (2a-10) + (2a-10+25) = 180
</span><span>Eliminate the parentheses
a + 2a - 10 + 2a - 10 + 25 = 180
</span><span>Combine like terms
5a + 5 = 180
</span><span>Subtract 5 from both sides
5a = 175
</span><span>Divide both sides by 5
a = 35
</span><span>Substitute into the equation for b.
b = 2a -10 = 2*35 - 10 = 70 - 10 = 60
</span><span>Add 25 to b to get c.
c = 60 + 25 = 85</span><span>Check by adding them up.
35 + 60 + 85 = 180
Done.</span>

3 0

3 years ago

Is 43 a 2 digit odd number that is composite

7nadin3 [17]

43 is a 2-digit odd number but it isn't composite. It's a prime number.

Hope this helps. :)

3 0

2 years ago

Read 2 more answers

Helppppppppppppppppp

lions [1.4K]

Answer:

<h2>9) Multiplication</h2><h2>10) </h2><h2> $\frac{3}{4}$ </h2><h2>11) </h2>

$\frac{4}{5}$

$\frac{12}{25}$

$\frac{1}{9}$

Step-by-step explanation:

<h2>This might be helpful and believe me dude, these questions are the most important questions for your exams.</h2><h2 /><h2>Keep Studying ☺️❤️</h2>

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2 years ago

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The teacher said we could estimate but give a good reason for that estimate

lyudmila [28]

Answer:

$11, even if you do work a job thats not that hard you should still be making a good amount of money

Step-by-step explanation:

I just used my opinion

5 0

3 years ago

What property of operations can be used to justify that the two expressions in this equation are equivalent? 6x^2 +4x=4x + 6x^2

lorasvet [3.4K]

Answer:

Commutative

Step-by-step explanation:

There are four basic property of operations to solve an algebraic expressions. They are associative, commutative, distributive and identity.

The expression given is : $6x^2 + 4x=4x+6x^2$

So the given algebraic expression is a commutative property of operations. The commutative property states that when any two numbers are added in an expression the sum of the numbers are the same regardless of the order of the numbers that are added.

Thus the sum of the above expression will be same in which ever order the numbers are added.

8 0

2 years ago