3 years ago

2(2x + 3)^2– 7(2x + 3) - 4

Mathematics

1 answer:

Lana71 [14]3 years ago

5 0

Answer:

Solution in photo

Step-by-step explanation:

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If y =2x^2 -4x-5, what is the value of y when x= -3

matrenka [14]

Answer:

Step-by-step explanation:

36+12-5

48-5

4 0

3 years ago

Someone know the answer ??<br>If you know , Can you help me, please ???

Pie

You do 80km/1hr = n/3.75

Use this proportion to find that n=300

So, he drives 800km.

7 0

3 years ago

PLEASE HELP ASAP...!! 10 pts

gtnhenbr [62]

First one is 24 because 4x6=24 and the second one is 35 because 7x5=35 if you need more help just let me know :)

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4 years ago

Mr.Gadgets car broke down on the turnpike.Acme towing charged $30 plus $3 per mile to tow the car.If Mr.Gadget paid $174, how fa

aalyn [17]

The car was towed for 48 miles.

Step-by-step explanation:

Given,

Amount charges by Acme towing = $30

Per mile charges = $3

Total charged = $174

Let, x be the number of miles.

Towing charges + Per mile charges*number of miles = Total charged

30+3x=174

Subtracting 30 from both sides

$30-30+3x=174-30\\3x=144$

Dividing both sides by 3

$\frac{3x}{3}=\frac{144}{3}\\x=48$

The car was towed for 48 miles.

Keywords: linear equation, subtraction

Learn more about linear equations at:

#LearnwithBrainly

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4 years ago

Write an equation for the trend line shown.

GalinKa [24]

Answer:

y = 25/2x + 350

Step-by-step explanation:

1. find what points are on the line of best fit

2. Use slope formula to get mx

3. find the intercept

4. make the equation

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3 years ago