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Dmitrij [34]
4 years ago
11

Do you remember the difference between a row and a column in Math?

Mathematics
1 answer:
dimulka [17.4K]4 years ago
5 0

Answer:

Rows are the steps - they go left to right and are numbered 1,2,3,... Columns are the columns - they go up and down and are lettered A,B,C,... Cells are defined by the row and column they are in.

Step-by-step explanation:

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A 5 ft tall person walks toward a wall at a rate of 3 ft/s. A spotlight is located on the ground 40 ft from the wall. How fast (
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Step-by-step explanation:

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4 0
3 years ago
Select correct or incorrect for each equation -1/-1=1 correct or incorrect -1 +1/-1 -1 correct or incorrect
Semenov [28]

Answer:

-1+1 / -1 = 1  incorrect

-1/1 = -1  correct

Step-by-step explanation:

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8 0
3 years ago
What is the slope of the line y=-3x + 7?
Anit [1.1K]

Answer:

-3

Step-by-step explanation:

In the slope-intercept form of linear equation (y=mx+b) the slope is the number next to the x, here represented with the letter m.  In your equation, y =-3x+7, the m is replaced by -3, so the slope here is -3.  

7 0
3 years ago
Segment BD is an altitude of triangle ABC. Find the area of the triangle.
Sever21 [200]

Answer: The correct option is A, i.e., 7.5.

Explanation:

It is given that ABC is a triangle and BD is an altitude.

Since BD is an altitude, therefore the height of the triangle is BD and the base of the triangle is AC.

The distance formula to find the distance between two points is,

D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

First, we find BD, where B(-1,4) and D(2,4).

BD=\sqrt{(2+1)^2+(4-4)^2}=\sqrt{9} =3

So, the height of the triangle is 3.

Now, we find the value of AC, where A(2,1) and C(2,6).

AC=\sqrt{(6-1)^2+(2-2)^2}=\sqrt{25} =5

So, the base of the triangle is 5.

The formula to find the area of a triangle is,

A=\frac{1}{2}\times {\text{base}}\times {\text{height}}

A=\frac{1}{2}\times 5\times 3=\frac{15}{2}=7.5

Therefore, the area of the triangle is 7.5 unit square and the correct option is A.

6 0
3 years ago
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What is the lowest common multiply of 25 and 60
8090 [49]
300 is the LCM of 25 and 30 =)
4 0
3 years ago
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