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egoroff_w [7]
3 years ago
11

Simplify each of the expressions. (6y^2 + 4y + 5) – (3 – 7y + y^2)

Mathematics
2 answers:
Ludmilka [50]3 years ago
8 0
<span> (6y^2 + 4y + 5) – (3 – 7y + y^2)
= </span><span> 6y^2 + 4y + 5 – 3 +  7y -  y^2
=  5</span>y^2 + 11y + 2

hope it helps
Naddik [55]3 years ago
4 0

Answer:

Answer 1:

5, 11, 2

Answer 2:

x2-4x-21

Answer 3

16x^6

Step-by-step explanation:

Just did it!

Please mark brainiest

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Licemer1 [7]
No because mixed numbers need atleast a one and a fraction to be a mixed number
4 0
3 years ago
Simplify the following expressions by using the order of operations
MariettaO [177]
11. 6 + 5 * 2 + (-3)
      6 + 10 - 3
      16 - 3
       13 <==

12. 67 + 84 - 12 * 4 / 16
      67 + 84 - 48/16
      67 + 84 - 3
      148 <==

13. -5 * -6 - 25/5 - 2
      30 - 5 - 2
       23 <==

14. 18 - (9 + 3) + 2^3
       18 - 12 + 8
        14 <==

15. -24 / -6 * 2
       4 * 2
       8 <==

16. 8 [ (26 + 10) - 4(3 + 2)]
      8 [ (36 - 4(5)]
      8 [ 36 - 20 ]
      8 [ 16 ]
        128 <==

17. 6 * 3 / 9 * 2 + 1
       18/9 * 2 + 1
        2 * 2 + 1
        4 + 1
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18. (9 - -4)(-8 - -7)
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5 0
3 years ago
Which is the solution set of the inequality 15y-9&lt;36
m_a_m_a [10]
15y - 9 <36.
Add 9 to each side.

15y- 9 (+9) < 36 + 9.
15y < 45.
y < 3.
Hope it helps! :)
7 0
3 years ago
Read 2 more answers
Is a positive integer raised to a negative power always positive
Evgesh-ka [11]

Answer:

Yes

Step-by-step explanation:

Many students gets confused with these exponential problems, they often get misguided but understand that there is nothing to be confused of.

When you have a negative number, you just take the reciprocal of the whole exponent number.

What is a reciprocal?

Let's take an integer for example, let's take the number 3.

The reciprocal for 3 is (1/3)

Let's take an other number, let's take 2/3

The reciprocal for 2/3 is (3/2)

In conclusion, we just reverse the denominator and the numerator or just switch it.

We take 3 as (3/1) and that is the reason, the reciprocal would be (1/3)

Now, coming to the negative integers. Taking an example:

(2)⁻¹

This would be become (1/2¹) = (1/2)

Hence, the result of a negative integer is positive but would be a fraction.

Hope I helped!


3 0
3 years ago
Which is the graph of y = _0.4x?<br><br> A.<br><br><br> B.<br><br><br> C.<br><br><br> D.
cestrela7 [59]
Y = -0.4x

1) It is a straight line
2) I passes through the origin (0,0), because the y-intercpet is 0.
3) The slope is negative, so it passes throuh II and III quadrants
4) The magnitude of the slope = 0.4
4) The angle of the line with the negative side of the x-axis is that whose tan is 0.4 => angle = 21.8 °

With all that information you can identify the graph, given that you didn't include the options.
8 0
3 years ago
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