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3 years ago

I need help please?!!

Mathematics

2 answers:

pantera1 [17]3 years ago

5 0

Answer:

Step-by-step explanation:

divide 100/ 2

-Dominant- [34]3 years ago

3 0

Answer:The answer is 50

Step-by-step explanation:

Divide 100 By 2

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Number 13 pleaseeeeeee

aliina [53]

well i cannot help u graph but u need to get them in y=mx+b form first

2x+y=4

y=-2x+4

2y-4x=6

2y=4x+6

y=2x+3

now that the problems are in y=mx+b form, u can graph them. the "b" is your y-intercept. you need to graph this first so what ever ur be is, put a point there on the y axis. then use your slope to plant your line. slope is rise/run. so for the top problem start at your y intercept and go down 2 and to the right 1. and for the bottem problem, start at your y intercept then go up 2 and to the right 1

HOPE THIS HELPED!

3 0

3 years ago

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Select the correct answer. If the zeros of a quadratic function are 3 and 8, what are the factors of the function? A. (x + 8) an

almond37 [142]

Answer:

C. (x-8) and (x-3)

Step-by-step explanation:

When we calculate the zeros of a function, we are calculating the points where that function crosses the x axis, and to do so we have to equal the function to zero and isolate X.

$(x - 3) . (x-8) = 0$

The only way a multiplication can have a result of 0, is that any of it's factors were equal to zero. So we can take both factors and equal them to zero and isolate x to know the function's zeros.

$(x - 3) = 0\\x = 3$

$(x-8) = 0\\x = 8$

3 0

3 years ago

A train travels 25 miles in 20 minutes. What is the train speed in miles per hour?

Svetradugi [14.3K]

So,

The rate of the train is 25mi/20mins. We need (x)mi/hr. We can do that by multiplying by 3.

25(3) = 75

The train's speed in mph is 75 mph.

7 0

4 years ago

In △JKL, solve for x. a) 17.32 b) 38.16 c) 66.73 d) 74.89

natita [175]

Answer:

c) 66.73

Step-by-step explanation:

We have been given a right triangle. We are asked to find the value of x for our given triangle.

We can see that x is adjacent side for angle 27 degrees and side Kl is opposite side.

We know that tangent relates opposite side of right triangle to its adjacent side.

$\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}$

Upon substituting our given values, we will get:

$\text{tan}(27^{\circ})=\frac{34}{x}$

$x=\frac{34}{\text{tan}(27^{\circ})}$

$x=\frac{34}{0.509525449494}$

$x=66.728757\approx 66.73$

Therefore, the value of x is 66.73 for our given triangle and option 'c' is the correct choice.

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3 years ago

How do you fined the surface area of a Prism???

goldfiish [28.3K]

1. Find the area of the two sides (length x height) x 2 sides
2. Find the area of the adjacent sides (width x height) x 2 sides
3. Find the area of ends (length x width) x 2 ends
4. add the three areas together to find the surface area

3 0

3 years ago

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