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andrew-mc [135]
2 years ago
14

8xsquared +5x -2xsquared+3x

Mathematics
1 answer:
Lera25 [3.4K]2 years ago
5 0
8x^2 + (-2) x^2=6x^2
5x+3x=8x
6x^2+8x
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I think of a number double it and subtract 2 i get 9 using the statement above
Ainat [17]

Answer:

5.5

Step-by-step explanation:

5.5+5.5=11      11-2=9

4 0
3 years ago
company that manufactures a popular multivitamin wanted to determine whether their multivitamin had any side effects. For its in
MAXImum [283]

Answer:

Option D

Step-by-step explanation:

In this experiment, It would have been scientific to compare the result of the experiment on the experimental group(taking the multivitamin) with the control group (Taking no medicine)

Without a control group, a defined impact of multivitamin over the experimental group cannot be deduced.

Hence, option D is correct

3 0
2 years ago
What is the answer to what X is?
solmaris [256]

Answer:

x=3

Step-by-step explanation:

By the exterior angle theorem,

(45x)\degree=(57+x)\degree+(26x)\degree

Group like terms and solve for x.

45x-26x-x=57

19x=57

Divide both sides by 19;

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3 0
2 years ago
Read 2 more answers
1. 5 less than one fourth of x is y.
horsena [70]

Answer

y = (1/4)x - 5                 or     4y - x + 20 = 0

Explanation

To get the rule required, we interpret the sentence and write it in a mathematical form.

5 less than one fourth of x is y  

one fourth of x ⇒ (1/4)x

5 less than one fourth of x is y  ⇒  (1/4)x - 5 = y

y = (1/4)x - 5

4y = x - 20

4y - x + 20 = 0

6 0
3 years ago
Help pleaseeeeeeeeeeeee
malfutka [58]

Answer:

i) +3

2.) 15

3.)5/8

4.)+98

5.)27

6.)17

7.) 12/17

8.)12/17

9.)+5

10.) 3.2

7 0
3 years ago
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