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marta [7]
3 years ago
11

Help pleaseeeeeee????

Mathematics
2 answers:
nalin [4]3 years ago
8 0

Answer: Leeza did make an error. She also needs to multiply -5 by 3.

Step-by-step explanation:

All things in parenthesis must be distributed too.

pychu [463]3 years ago
7 0

Answer:

She needs to multiply -5 and 3

Step-by-step explanation:

when multiplying 3(2x-5), you need to foil the numbers

3(2x-5) = 3*2x + 3*-5 = 6x-15

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A system of linear inequalities is shown below.
Helga [31]
A) Isolate y in both inequalities

1) x + y ≥ 4 => y ≥ 4 - x
2) y < 2x - 3

B) Draw the lines for the following equalities:

1) y = 4 - x
2) y = 2x - 3

C) Shade the regions of solutions

1) The region that is over the line y = 4 - x
2) The region that is below the line y = 2x - 3

The solution is the intersection of both regions; this is the sector between both lines that is to the right of the intersection point, including the portion of the very line y = 4 - x and excluding the portion of the very line y = 2x - 3


5 0
3 years ago
RP QUESTION!!Faelyn grouped the terms and factored the GCF out of the groups of the polynomial 6x4 – 8x2 + 3x2 + 4. Her work is
m_a_m_a [10]

Answer:

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Step-by-step explanation:

(Btw dis is Charlie bro)

5 0
3 years ago
Read 2 more answers
This is a proportion. What is the value of X?
Verizon [17]

Answer:

x = 15 or x = - \frac{2}{5}

Step-by-step explanation:

Cross- multiplying gives

(14x + 6)(17x + 5) = 9x(27x + 11) ( expanding factors )

238x² + 172x + 30 = 243x² + 99x

rearrange into standard form : ax² + bx + c = 0

5x² - 73x - 30 = 0 ← in standard form

consider the factors of the product 5 × - 30 = - 150 which sum to the coefficient of the x-term (- 73 )

the factors are - 75 and + 2

Use these factors to split the middle term

5x² - 75x + 2x - 30 = 0 ( factor by grouping )

5x(x - 15) + 2(x - 15) = 0 ← take out the factor (x - 15)

(x - 15)(5x + 2) = 0

equate each factor to zero and solve for x

x - 15 = 0 ⇒ x = 15

5x + 2 = 0 ⇒ x = - \frac{2}{5}


7 0
3 years ago
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