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Natali5045456 [20]
3 years ago
6

Factor completely 8x2-4x-84

Mathematics
1 answer:
mr_godi [17]3 years ago
5 0

Answer: 4 • (2x - 7) • (x + 3)

Step-by-step explanation:

(4x+12)(2x-7)

8x²-28x+24x-84

8x²-4x-84

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What is the inequality 4x-7<5
Grace [21]

Answer:

x < 3

Step-by-step explanation:

4x-7 < 5\\4x-7+7 < 5+7\\4x < 12\\\frac{4x}{4} < \frac{12}{4}\\x < 3

8 0
2 years ago
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If 3 people go to lunch and the bill was $30 and they all give $10 and the waitress comes back with the waitress comes back and
Kryger [21]

Answer

No missing money

Step-by-step explanation:

Original money given to the waiter = $30

Each person paid $10

The waitress comes back with the waitress comes back and said the bill is $25

They gave her $2 for the tip

if each got $1.00 back

Balance = $1.00 × 3

= $3.00

That means each paid $9×3 = $27 including $2 .00 tip(recall that cost of the meal is now $25 plus $2 tip)

Each of them got $1.00 back

Total money spent = (cost of meal + tip) + balance of $3.00 given to them

= $27 + $3

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Therefore, there is no missing $1.00

7 0
3 years ago
A system of equations is shown below.
prisoha [69]

Given:

The system of equations is

y=1.5x-3

y=1.5x+4

To find:

The true statement about the given system of equations.

Solution:

The slope intercept form of a line is

y=mx+b

Where, m is the slope and b is the y-intercept.

We have,

y=1.5x-3

y=1.5x+4

On comparing these two lines with slope intercept form, we get

m_1=1.5,b_1=-3

m_2=1.5,b_2=4

Since the slopes of the lines are equal but the y-intercepts are different, therefore, the two lines are parallel and the system has no solution.

Therefore, the correct option is A.

5 0
3 years ago
WILL GIVE BRAINLIST AS SOON AS I CAN. PLEASE HELP.​
kkurt [141]

Answer:

x=1056.25

Step-by-step explanation:

(2x)(2x)(55)=(65)(65)(55) Multiply

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4x=4225   Divide each side by 4

x=1056.25

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3 years ago
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Factor n(2n+3)+4(2n-3)
zavuch27 [327]
The answer would be 2n^2+3n+ 8n-1
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3 years ago
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