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Alina [70]
3 years ago
15

Find the value of x

Mathematics
1 answer:
Fiesta28 [93]3 years ago
4 0

Answer:

x=26

Step-by-step explanation:

The sum of all angles in a triangle is equal to 180

x + 55 + (4x-5) = 180

Combine like terms

5x +50 = 180

Subtract 50 from each side

5x +50-50 = 180-50

5x = 130

Divide each side by 5

5x/5 =130/5

x =26

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In 432 BC, part of the Greek city Olynthus was divided into rectangular city blocks measuring 120 feet by 300 feet. To the neare
Dafna1 [17]

Answer:

323 feet

Step-by-step explanation:

This is basically the Pythagorean Theorem. If you have experience with this formula, you will know that it only works with right triangles. Why are we talking about a triangle when this problem speaks of rectangles? Well, this is because when a rectangle is split diagonally, it is now two separate triangles. The Pythagorean Theorem states that a^2 + b^2 = c^2. To begin, we will take the base and height of the triangle and either square root them or square them. In this case, you will need to square them. When this is done, you will have the numbers 90,000 and 14,400. What do we do with these? We will add them together now. Next, we will take the sum of these two numbers (104,400), and square root it. This leaves you with 323.109888, but, we need to round it to the nearest foot or, the nearest whole number. This will give us 323 feet as our final answer. Glad I was able to help! ;):)

6 0
4 years ago
Which expression is a sum of a number and a product?
Setler79 [48]

Answer:

its a. rhejhdhrhrjdhr

3 0
3 years ago
Enter the phrase as an algebraic expression.<br> p divided by 8<br> The algebraic expression is
mote1985 [20]

Answer: p/8

Step-by-step explanation: p is being divided by 8, meaning that in a fraction, p would be the numerator and 8 would be the denominator.

I hope this helps, have a good day.

4 0
3 years ago
The graph of f(x) = |x| has been translated left 2 units and up 1 unit. If no other transformations of the function have occurre
ki77a [65]

Answer:

the answer to this question is: ( –1, 2) mark me brainiest

Step-by-step explanation:

The graph of f(x) = |x| has been translated left 2 units and up 1 unit. If no other transformations of the function have occurred, which point lies on the new graph?


the answer to this question is: ( –1, 2)



5 0
4 years ago
Using the figure below, tell if the triangles are congruent, and if so by what theorem?
Alenkasestr [34]
A. Yes, they are congruent by SSS theorem.

5 0
3 years ago
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