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nikklg [1K]
3 years ago
15

How many terms are there in the expression 3x2 + 2x - 4? A:1 B:2 C:3 D:4

Mathematics
2 answers:
ASHA 777 [7]3 years ago
7 0

Answer:

The correct option is C.

Step-by-step explanation:

The given expression is

3x^2+2x-4

Definition of term: A term is either a single number or variable, or product of numbers and variables. The signs  +, −, / and = are used to separate the terms.

In the given expression the variables are separated by + and −.

The given expression has three terms 3x^2,2x,\text{ and }-4.

Therefore the correct option is C.

Nadya [2.5K]3 years ago
4 0

Answer:

3

Step-by-step explanation:

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Felipe's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A costs Felipe $4.55 per lb. Type B costs $5.7
RUDIKE [14]

Answer:

Type A coffee in lbs = 97 lbs

Step-by-step explanation:

Type a = 4.55/lbs = x

type b = 5.70/lbs =  y

Total in lbs = 147lbs

total in sales = 726.50

First,

x + y = 147 lbs    -------------------equ 1

4.55x + 5.70y = lbs    ------------ equ 2

<em>Multiply equ 1 by 4.55</em>

4.55x + 4.55y = 668.85  -------------equ 3

4.55x + 5.70y = 726.50   ------------equ 4

<em>Subtracting equ 3 from equ 4</em>

1.15y = 57.65

y = 50

<em>Substituting y = 50 into equ 1</em>

x + 50 = 147

x = 97

7 0
3 years ago
Find an ordered triple that represents 65 = (2, 6, 8) and Ž = (1, -2, 6).
Igoryamba

Answer:

< 40, 28, 72 >

Step-by-step explanation:

Given

y = < 2, 6, 8 > and z = < 7, - 2, 6 > , then

6y + 4z

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Multiply each component by the scalar quantity

= < 6(2), 6(6), 6(8) > + < 4(7), 4(- 2), 4(6) >

= < 12, 36, 48 > + < 28, - 8, 24 >

Add corresponding components

= < 12 + 28, 36 - 8, 48 + 24 >

= < 40, 28, 72 >

4 0
3 years ago
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Answer:

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Step-by-step explanation:

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Hope this helps!

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2 years ago
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