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weeeeeb [17]
3 years ago
11

What is the measure of Angle Y?

Mathematics
1 answer:
ivolga24 [154]3 years ago
3 0

Answer:

62 degrees

Step-by-step explanation:

180 - (65 + 53) =

180 - 118 =

62 degrees

Hope that helps!

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Maria ate 1/4 of a pizza. If there were 20 slices of pizza, how many slices did Maria eat?
Sav [38]

Answer:

Step-by-step explanation:

1/4x20=5 so Maria ate 5 slices of pizza.

7 0
2 years ago
Round 6700 to the nearest thousand
andriy [413]

Answer:

Step-by-step explanation:

it would be 7000 because the 7 is greater than five

6 0
3 years ago
What is the perimeter of the given rectangle 4x+8 and 2x+3
babunello [35]
You would set the equations equal to eachother and get x=-5/4 and then plug that in for x, i hope this helps!
3 0
3 years ago
Write three functions. In the first function, y should vary directly with x. In the second function, y should vary inversely wit
skelet666 [1.2K]
<span>A) First function, y varies directly with x.

1) function: y = (3/4)x

2) graph: it is a straight line that passes through the origin and has slope 3/4. The slope means that the rate of change of the function is 3 units per every 4 units the x-value incresase or, what is the same 0.75 units per incresase unit of x - value.

3) real world example

 A recipe of a cake instructs to use 3 cups of sugar for every 4 cups of flour. So, how much flour you need if you have 12 cups of sugar?

y = (3/4)x , so if x = 3, y = (3/4)*12 = 3*12/4 = 9.

So, given that the variation is direct you multiply the number of cups of sugar times the constant rate, 3/4, to get the number of cups of flour in relation with the given amount of sugar.

B) The second function: y varies inversely with x.

Inverse variation => y*x = constant or y = constant / x.

Tnat means that if x increase y will decrease in the same factor that x increases.

1) function: y = 12 / x

2) graph: the form of this graph is called hyperbola, it is a decreasing line from left to right. It has two asymptotes, the y-axis (x =0) and the x-axis (y = 0). That means that x and y can never be zero.

As the x-value approaches 0, the y value approaches positive or negative infinity;  as the y-values approaches 0 the x-values approaches to positive or negative infinity.

If you take the positive values, the graph is a decreasing curve in the first quadrant (x and y are positive).

If you take the negative values, the graphs is a decreasing curve in the third quadrant (x and y are negative)

3)  real world example.

The relatioship between velocity and time in a uniform motion.

If the distance run by an object is constant, as the velocity increases the time decreases in the same factor.

Suppse a distant of 100  km between cities A and B.

How long will it take to travel from A to B at 50 km/ h and 25 km/h ?:

100 km = velocity * time

at 50 km/h: 100 km = 50 km/h * t => t =  [100 km ] / [50 km/h] = 2 hours

at 25 km/h: 100 kg = 25 km/h * t => t = [ 100 km ] / [25 km/h] = 4 hours.

 C) Third case, the relationship between x and y should is neither inverse variation nor direct variation.

Of course, there are infinite type of functions that are neither inverse variation nor direct variation: linear (that do not passe through the origin), quadratic, exponential, logarithmical, trigonometric sine, ...

1) example of function: y = 30 + 2x

2) graph: it is a straigh line with y-intercept 30 and slope 2.

3) real world example:

The cost of producing chairs consists of 30 dollars of rent for the facility plus 2 dollar to produce each chair, so the total cost y is 30 + 2x.
</span>
3 0
3 years ago
Please help me with all three and explain it for brainiest and extra points! Please help me I don’t get it
Inessa05 [86]
16)

2t > 324

t > 162

17)

12y >_ 1
y >_ 1/12

18)

w/9.5 < 11
x < 104.5
6 0
2 years ago
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