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N76 [4]
3 years ago
5

Can someone help me with this math homework please!

Mathematics
2 answers:
abruzzese [7]3 years ago
6 0

Answfirst one

Step-by-step explanation:

hope it helps thank u

stiks02 [169]3 years ago
5 0

Answer:

first one

Step-by-step explanation:

2 students have the same age but different heights.

since age is the input and height is the output. in order to be a function one must have exact one output for one input.

since the heights of students in Tessa 's class are not a function of their ages (one input must have two outputs) two students of same age must have different heights.

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Can someone answer this
11111nata11111 [884]

Answer:

Well first see what the points are

Step-by-step explanation:

5 0
3 years ago
Without doing the math, determine which is greater, 40. 1/4 or 40÷ 1/4. Explain your reasoning.
maw [93]

40 ÷ \frac{1}{4} is greater

multiplying a whole number by a fraction  reduces the size of the whole number

dividing a whole number by a fraction increases the size of the number


4 0
4 years ago
Read 2 more answers
the distance traveled at a constant speed is directly proportional to the timeof travel olivia traveled 306 milesin 8.5 hours,ho
Andrews [41]
306 / 8.5 = 36 miles per hr

at 9.1 hrs....
36 * 9.1 = 327.6 miles <==

or this way...

306 / 8.5 = x / 9.1
cross multiply
8.5x = 2784.6
x = 2784.6 / 8.5
x = 327.6 miles
7 0
4 years ago
On a coordinate plane, 4 points are plotted. Point A is on the y-axis, Point B is at the origin, Point C is at (1, 2), and point
zhenek [66]

Answer:

B is at the origin. D is on the x-axis.

Step-by-step explanation:

For a point to be at the origin, it lies at the intersection of both the x- axis and the y - axis. Both axes intersect at the origin. So, point B is at the origin.

For a point to be on the x - axis, its coordinate on the y- axis is zero. So, for a point on the x- axis with coordinate, x, it is the point (x,0) and it lies on the x axis. So, point D is on the x - axis.

For a point to be on the y - axis, its coordinate on the x - axis is zero. So, for a point on the y- axis with coordinate, y, it is the point (0,y) and it lies on the x axis. So, point A is on the y - axis.

The point C which is at (1,2) lies in the plane x-y since it has both x and y coordinates.

7 0
4 years ago
The table below represents a function. Which of the following equations could be its function rule?
worty [1.4K]

Answer:

y=2x-2 is the required equation.

Therefore, the second option is true.

Step-by-step explanation:

We know that the slope-intercept form of the line equation of a linear function is given by

y=mx+b

where m is the slope and b is the y-intercept

Taking two points (0, -2) and (1, 0) from the table to determine the slope using the formula

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(0,\:-2\right),\:\left(x_2,\:y_2\right)=\left(1,\:0\right)

m=\frac{0-\left(-2\right)}{1-0}

m=2

substituting the point (0, -2) and the slope m=2 in the slope-intercept form to determine the y-intercept i.e. 'b'.

y=mx+b

-2 = 2(0)+b

-2=0+b

b=-2

Now, substituting the values of m=2 and b=-2 in the slope-intercept form to determine the equation of a linear function

y=mx+b

y=2x+(-2)

y=2x-2

Thus, y=2x-2 is the required equation.

Therefore, the second option is true.

3 0
3 years ago
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