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Maru [420]
4 years ago
7

The expression 9x2 - 5x - 7 has ___ terms and a constant of ___.

Mathematics
1 answer:
elena55 [62]4 years ago
4 0
Answer: first option 3, - 7

Justification:

1) Given expression:9x² - 5x - 7

2) Each monomial is a term.

The monomials are each  combination of numbers and letters (coefficient, letters and exponents) separated of other monomials (terms) with a + or - operator.

3) Therefore, there are 3 terms which are:

9x²,
-5x, and
-7.

The polynomials with 3 terms are called monomials.

4) The monomial (term) withoud letter is the constant. In this case that is  -7.
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3 years ago
When is it better to use a table<br> When is it better to use a scatter plot
34kurt

Management information system requires tables, Tables are used only if a person is trying to analyse data and understand its business by summarizing.It is the 1st step of data analysis collecting data. Scatter plot is used when there is a question of association of two or three variable.

Step-by-step explanation:

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6 0
4 years ago
Find an equation of a line that has a slope 7 and passes through the point 3,11
choli [55]
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Now you need to find b. Plug in (3,11) for x and y, x=3 and y=11.

11 = 7*3 + b

Notice the only variable left is b, so you’ll find b this way.

11 = 21 + b and then subtract 21 from both sides:

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3 years ago
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240 Minutes

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120 balloons × 2 mins= 240 mins

7 0
2 years ago
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