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-BARSIC- [3]
4 years ago
7

What is the answer to this equation? (picture attached)

Mathematics
1 answer:
SashulF [63]4 years ago
6 0

Answer:

x = \frac{42}{5}

Step-by-step explanation:

Given

19 - \frac{5x+6}{4} = 7 ( subtract 19 from both sides )

- \frac{5x+6}{4} = - 12

Multiply both sides by - 4 to clear the fraction and the negative signs

5x + 6 = 48 ( subtract 6 from both sides )

5x = 42 ( divide both sides by 5 )

x = \frac{42}{5}

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Given y=(2x+3)2, choose the standard form of the given quadratic equation
katrin2010 [14]

y=(2x+3)^2 = 4x^2 +12x +9

Taking 4 out from first two terms, we will get

y=4(x^2+3x)+9

Now we divide the coefficient of x by 2 and add and subtract the square of the result, we will get

y=4(x^2+3x+\frac{9}{4}-\frac{9}{4})+9

Distributing 4

y=4(x+\frac{3}{2})^2+9-9

Cancelling 9

y=4(x+\frac{3}{2})^2

And that's the required standard form.

5 0
4 years ago
I don't understand. Please Help Me!
diamong [38]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Jack has 5 craft sticks he needs four times that number for a project how many craft sticks does Jack need all together
Leno4ka [110]

Solving this problem simply only requires us the knowledge of multiplication.

So we are initially given that there are 5 craft sticks. So if we need four times that amount, that is written as:

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<span>So Jack needs 20</span>

5 0
3 years ago
The owner of a flower shop sells 18 roses for $90. What is the cost in dollars per rose?
sertanlavr [38]

Answer:

5 $ per rose

Step-by-step explanation:

it is 5 $ as

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or 5 × 18 is also equal to 90

therefore it is 5$ per rose

edit if you like my answer please mark brainlist

4 0
2 years ago
Factorise:<br> a) 22y -33z b) ax + bx –ay – by
crimeas [40]
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(b) (a+b)(x-y)

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