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Troyanec [42]
3 years ago
6

Simplify 4y - 8y2 + 9y - 7y2.

Mathematics
2 answers:
galina1969 [7]3 years ago
6 0

Answer:

-15y^2+13y, option d

Step-by-step explanation:

Technically the term with the highest exponential value should be in the front, so that's why I wrote it like that... but d is correct

lions [1.4K]3 years ago
3 0

Answer:

D is the answer

Step-by-step explanation:

4y - 8y² + 9y - 7y² ( collect like terms)

13y - 15y²

Hope this helped!!!

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WILL MARK BRAINLIEST
seropon [69]
C. (22,16)

Y=x-6
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7 0
3 years ago
20 subtracted from three times a number is 6 more than the number
kompoz [17]
<h3>20 subtracted from three times a number is 6 more than the number. Then the number is 13</h3>

<em><u>Solution:</u></em>

<em><u>Given statement is:</u></em>

20 subtracted from three times a number is 6 more than the number

We can translate the sentence into algebraic expression

Let "a" be the unknown number

Then,

20 subtracted from three times "a" is 6 more than "a"

Which means,

3a - 20 = 6 + a

3a - a = 6 + 20

2a = 26

Divide both sides by 2

a = 13

Thus the number is 13

3 0
4 years ago
Evaluate 3(2e+8) = 34
strojnjashka [21]

Answer:

e = 5/3

Step-by-step explanation:

3(2e+8) = 34

Distribute

6e +24 = 34

Subtract 24 from each side

6e +24-24 = 34-24

6e = 10

Divide each side by 6

6e/6 = 10/6

e = 10/6

Divide the top and bottom by 2

e = 5/3

4 0
4 years ago
Read 2 more answers
Pentagons ABCDE is shown on the coordinate plane below
AveGali [126]
I beleive it would be 5,2 but I'm not too sure
3 0
4 years ago
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Savanna had 40 iris blooms last year. This year, she had 15% more iris blooms. How many more iris blooms did savanna have this y
slamgirl [31]
Lets begin with an example.

You have 100 apples. 40 % of your apples are 40. Sounds complicated?

Here is the calculation in words, number of apples times 40 percentage.

By equation: 100 * 40/100= 40. Simple huh?

% symbol represents 100. 
% 15 equals 15/100; 20% is equal to 20/100 or 1/5 in a simplified way.

Have a look to question. 40 iris at last year, 15 % MORE iris this year.

What is the 15 % of 40 iris? That's the question at the end.

Recall apple example at the beginning.

40 iris * 15/100 = 6.

So, there are 6 MORE iris blooms this year. This year Savanna has totally 46 iris.
5 0
4 years ago
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