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MA_775_DIABLO [31]
3 years ago
9

Andrea's car get 25 miles per gallon of gas. The cabin is 190 miles away. How many gallons of gas will she need to get there?

Mathematics
2 answers:
Tema [17]3 years ago
8 0
Ok so its the same thing with using proportions. 25/1 twenty-five per mile 190/x miles needed and unkown amount Cross multiply 25 times x and 190 times 1. 25x= 190. Divide by 25 on each side. X= 7.6
Romashka [77]3 years ago
3 0
190 miles / 25 miles
=7.6 gallons
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Which statements accurately describe the function f(x) = 3(StartRoot 18 EndRoot) Superscript x? Select three options. The domain
Studentka2010 [4]

Answer:

The domain is all real numbers.

The initial value is 3

The simplified base is 9\sqrt{2}

Step-by-step explanation:

The given function is f(x)=3(\sqrt{18})^x.

To find the initial value, we put x=0 into the function:  

f(0)=3(\sqrt{18})^0.

f(0)=3(1)=3.

The initial value is actually 3.

The given function is an exponential function, therefore the domain is all real numbers.

The range of this function refers to all values of y for which the function is defined.

The line y=0, is the horizontal asymptote.

The range is y\:>\:0

The simplified base is 3\sqrt{18}=3\sqrt{9\times2}.

3\sqrt{18}=3\sqrt{9}\times\sqrt{2}

3\sqrt{18}=3\times3\times\sqrt{2}

3\sqrt{18}=9\sqrt{2}

4 0
3 years ago
Read 2 more answers
I don't understand this.​
mrs_skeptik [129]

Answer:

Step-by-step explanation: you just have to turn your fraction for example 3/4 that's reciprocal is 4/3,3 reciprocal is is 1/3

4 0
3 years ago
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I will give brainliest for question! How many nonzero terms are in the expansion of (x+4)(2x^2+3x+9)-3(x^3-2x^2+7x)?
nataly862011 [7]

Answer:

Four

Step-by-step explanation:

Let's expand and see how many nonzero terms:

⇒ (x+4)(2x²+3x+9)-3(x³-2x²+7x)=

⇒ 2x³ + 3x² + 9x + 8x² + 12 + 36 - 3x³ + 6 x² - 21 x=

⇒ - x³ + 17x² - 12x + 12

As we see the expression has four nonzero terms

4 0
3 years ago
Would the value of (12 - 4) = 4+1 change if the parentheses were removed? Explain.​
Kipish [7]

Answer:

It would not

Step-by-step explanation:

(12-4)=4+1 would be 8=5

12-4=4+1 would also be 8=5

3 0
2 years ago
Avery‘s parents have a limited her phone time to 3 hours a day. If she’s up for 12 hours a day, how many minutes per hour can sh
vekshin1

Answer:

15 minutes per hour

Step-by-step explanation:

Given that:

Phone usage limit = 3 hours

As 1 hour = 60 mins so, 3 hours = 3 * 60 = 180 mins

Now:

Phone usage limit = 180 mins

She is up for 12 hours,  So:

Minutes per hour for mobile usage =  180/12 = 15 mins per hour

So if Avery is up for 12 hours she can use her mobile phone 15 mins per hours according to given usage limit.

i hope it will help you!

4 0
4 years ago
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