1 year ago

Solve -5 < 4x + 3 < 7.

Mathematics

1 answer:

Sonja [21]1 year ago

4 0

AnswerC

Step-by-step explanation:

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A taxi service charges a $10 flat fee plus $3 per mile traveled. If an equation is made to calculate the total cost of a taxi ri

sertanlavr [38]

Flat rate=y intercept
rate per mile=slope
y=3x+10 would be it

1.
3 is the value of the slope (3 dollars per mile)

2.
y intercept is (0,10)

3.
22 miles
y=3(22)+10
y=66+10
y=76
$76

8 0

3 years ago

Solve (2x + 5)= (2x + 3)(2x - 1)

AlexFokin [52]

$(2x + 5)= (2x + 3)(2x - 1)\\2x+5=4x^2-2x+6x-3\\4x^2-2x+6x-3-2x-5=0\\4x^2+2x-8=0\\(4x+1-\sqrt{33})( 4x+1+\sqrt{33})=0 \\ x=\frac{-1+\sqrt{33} }{4} /or/x=\frac{-1-\sqrt{33} }{4}$