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Alexeev081 [22]
3 years ago
6

3. solve (-7) + b = (-11)

Mathematics
1 answer:
sveta [45]3 years ago
3 0
B= -4 hope this helps!!!
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Please Please Please help me with this answer
nignag [31]

Alright, lets gets tarted.

Suppose there are x rows of tomato plants Krystyn make.

Again suppose there are n plants in each row.

We could find total plants by multiplying number of plants in each row with number of rows.

Hence total number of plants will be = x * n

But as per question, total number of plants are 54. It means

x * n = 54

Now, the number of plants in each row was 3 more than the number of rows means

n = x + 3

Putting this value of n in first equation we made

x * (x+3) = 54

x^{2} + 3x = 54

Subtracting 54 in both sides

x^{2} + 3x - 54 = 54 - 54

x^{2} + 3 x - 54 = 0

Factoring

(x-6)(x+9) = 0

Means x = 6 or x = -9

The number of rows can not be negaive.

Hence x = 6

It means number of rows of tomato plants will be 6. : Answer

Hope it will help :).

4 0
4 years ago
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Please help! I need this by today!​
Anika [276]

Answer:

A.

Step-by-step explanation:

x^2 + 6x + 10  cannot be  factored

x^2 + 3x -4 = (x-1)(x+4)

x^2 - 3x -4 = (x+1)(x-4)

x^2 + 6x +5 = (x+1)(x+5)

7 0
3 years ago
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What is the value of x in the equation 2(6х+4)- 6+ 2х = 3(4х+3) + 12<br> оооо
marissa [1.9K]

Answer:X= 19/2

Step-by-step explanation:

5 0
3 years ago
the factor tree for 60 has all of the factors in the factor trees for 15 and 30, but not 45. explain why this is true
adoni [48]
15 and 30 are factors of 60 but 45 is not 
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Which value is equivalent to 1/2 select all that apply?
AlekseyPX

Given

Answer

Sin 30 = 1/2

Cos 60 = 1/2

4 0
1 year ago
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