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bogdanovich [222]
3 years ago
6

Which is not a like term in the expression 7x +3 - 4 x-x

Mathematics
1 answer:
777dan777 [17]3 years ago
7 0

Answer:

3 is not a like term because it isn't an x term, it doesn't have an x variable while the other terms do.

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14 POINTS! PLEASE HELP!!!!
aleksandr82 [10.1K]

Answer:

Do (8, -9) times 5 for both numbers

Step-by-step explanation:

3 0
3 years ago
Find the inner product for (5,-1)*(-3,6) and state whether the vectors are perpendicular. a. 21; no c. -21; no b. 21; yes d. -21
nataly862011 [7]

Answer:

c

Step-by-step explanation:

If the dot product of the vectors is zero then they are perpendicular

(5, - 1) • (- 3, 6)

= (5 × - 3) + (- 1 × 6) = - 15 + (- 6) = - 15 - 6 = - 21 ≠ 0

Since product is not zero vectors are not perpendicular

7 0
3 years ago
Given the equation y = 3x − 4, what is the value of x when y = 5? A) 3 B) 6 C) 9 D) 12
Dmitrij [34]

Answer:

A. 3

Step-by-step explanation:

The answer would be A because 3 times 3 is 9 and 9-4=5 which is the value o f y. 3x-4=5

add 4 to both sides: 3x=5+4

simplify: 5+4=9

divide both sides by 3:  x= 9/3

simplify 9/3 to 3:

x= 3

hope this helps!!

7 0
3 years ago
What is the average rate of change of the amount of the element over the 10-minute experiment? *
Dima020 [189]

Answer:

-2.7  g/min

Step-by-step explanation:

Given: a graph

To find: the average rate of change of the amount of the element over the 10-minute experiment

Solution:

A rate of change of one quantity with respect to another quantity is known as rate of change. If y is the dependent variable and x is the independent variable then average rate of change = change in y /change in x.

From the graph,

change in x (time) = 10-0=10 minutes

change in y ( amount of the element) = 3.22-30=-26.78 g

So, average rate of change = \frac{-26.78}{10} =-2.7  g/min

7 0
3 years ago
Alicia’s family wants to save for a four-year college education for her. After some research, they estimate that the total cost
erma4kov [3.2K]

Answer:

Step-by-step explanation:

$1,100

6 0
3 years ago
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