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mr_godi [17]
3 years ago
9

There is a new student in class and you have been asked to teach them everything you know about coordinate planes. **Write at le

ast 3-5 complete sentences explaining coordinate planes.** Remember to include vocabulary, how to remember which coordinate goes first in an ordered pair, and how to plot points on the grid.There is a new student in class and you have been asked to teach them everything you know about coordinate planes. **Write at least 3-5 complete sentences explaining coordinate planes.** Remember to include vocabulary, how to remember which coordinate goes first in an ordered pair, and how to plot points on the grid.There is a new student in class and you have been asked to teach them everything you know about coordinate planes. **Write at least 3-5 complete sentences explaining coordinate planes.** Remember to include vocabulary, how to remember which coordinate goes first in an ordered pair, and how to plot points on the grid.
PLZZZZZZ HELP ME
Mathematics
1 answer:
Simora [160]3 years ago
4 0

Step-by-step explanation:

The coordinate plane is a two-dimension surface formed by two number lines. One number line is horizontal and is called the x-axis. The other number line is vertical number line and is called the y-axis. The two axes meet at a point called the origin. We can use the coordinate plane to graph points, lines

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Which expression represents rational numbers? Select all that apply
Vladimir79 [104]

Answer:

1. \sqrt{100} \sqrt{100}

2. 13.5 + \sqrt{81}

3. \sqrt{9} + \sqrt{729}

6. \frac{3}{5} + 2.5\\\frac{3+12.5}{5}\\\frac{15.5}{5}\\= 3.1

These four options are rational;


Step-by-step explanation:

1. \sqrt{100} \sqrt{100} equals to 10 * 10 = 100 which is rational

2. 13.5 + \sqrt{81} equals 13.5 + 9 = 22.5

3. \sqrt{9} + \sqrt{729} -- 3+27 = 30

6. \frac{3}{5} + 2.5\\\frac{3+12.5}{5}\\\frac{15.5}{5}\\= 3.1

Option 4 and 5 are irrational because they include  \sqrt{353}  and \sqrt{216} which are not a perfect square and their answers will be non recurring and non terminating decimal fraction.

5 0
3 years ago
Jess mowed lawns for 12 weeks in the summer. She earned a total of $480 over that time. If she earned the same amount each week,
nordsb [41]
She earns $40 per week
5 0
4 years ago
If the area of the rectangle is 35x^2-53x-18 and its length is 7x+2 inches, find its width
anastassius [24]

Answer:

5x - 9

Step-by-step explanation:

The area of the rectangle is:

A=35x^2 -53x-18 (1)

The area of the rectangle is the product of length (L) and width (W):

A=LW

where L=7x+2, and the width must be in the form W=ax+b.

We need to find the values of a and b. If we calculate the product of L and W, we get:

A=LW=(7x+2)(ax+b)=7ax^2 + 7bx+2ax+2b = 7ax^2 +(7b+2a)x+2b

We know that this equation must be equivalent to (1), so we immediately see that:

- the coefficient of the second order term, x^2, must be 35, so

7a=35\\a=\frac{35}{7}=5

- the zero-order term must be equal to -18, so we have

2b=-18\\b=-\frac{18}{2}=-9

- We can verify that using a=5 and b=-9, the coefficient of the first-order term corresponds to -53:

7b+2a=7(-9)+2\cdot 5=-63+10=-53

So, the width is

W = 5x - 9

6 0
4 years ago
Help assap with this question?!?!?
Irina18 [472]
Slope-intercept form is y=mx+b
m is slope and b is y-intercept.
So, if you have -5x-3y=3
Make it into y=something
So, -3y=3+5x
y= -3/3 + 5/-3 x
y= -1 - 5/3 x
Same as the first one in your pic.
7 0
3 years ago
Help me out please????
Elis [28]

Triangle congruence theorem

4 0
3 years ago
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