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marta [7]
3 years ago
5

How many terms are in the following expression? x2+7x-13

Mathematics
1 answer:
Oduvanchick [21]3 years ago
3 0

Answer:

There are 3 terms

Step-by-step explanation:

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Nikki drew a rectangle with a perimeter of 18 units on a coordinate grid. Two of the vertices were (4, –3) and (–1, –3). What co
Talja [164]

Answer:

There are two possible solutions for the other two vertices of the rectangle:

(i) (4, 1), (-1, 1), (ii) (4, -7), (-1, -7)

Step-by-step explanation:

Geometrically speaking, the perimeter of a rectangle (p) is:

p = 2\cdot b + 2\cdot h (1)

Where:

b - Base of the rectangle.

h - Height of the rectangle.

Let suppose that the base of the rectangle is the line segment between (4, -3) and (-1, -3). The length of the base is calculated by Pythagorean Theorem:

b = \sqrt{[(-1)-4]^{2}+[(-3)-(-3)]^{2}}

b = 5

If we know that p = 18 and b = 5, then the height of the rectangle is:

2\cdot h = p-2\cdot b

h = \frac{p-2\cdot b}{2}

h = \frac{p}{2}-b

h = 4

There are two possible solutions for the other two vertices of the rectangle:

(i) (4, 1), (-1, 1), (ii) (4, -7), (-1, -7)

8 0
3 years ago
Please help will give brainiest to correct answer
lianna [129]

Answer:1

Step-by-step explanation:

4 0
3 years ago
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Which of the following represents the equation y = mx + b, where m is a positive integer, written in standard form?
babymother [125]
<h3>Answer:</h3>

B. mx−y=−b

<h3>Step-by-step explanation:</h3>

Start with ...

... y = mx +b

Subtract mx.

... -mx +y = b

You want the leading coefficient positive, so multiply by -1.

... mx -y = -b . . . . matches selection B

8 0
4 years ago
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Please answer and explain this problem! Thanks! :)
TEA [102]
Let x represent the answer.
7 + x = (43+x) / 3
3(7+x) = 43+x
21+3x = 43+x
2x = 22
x = 11

The answer is 11
6 0
4 years ago
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How would the number 6,870,000,000,000,000 appear in scientific notation on a calculator screen using e?
bazaltina [42]
It would appear as 6.87E13 or 6.87*10^13
7 0
3 years ago
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