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3 years ago

John drove 48 miles and used 2 gallons of gas. How many gallons will he use if he drives 78 miles?

Mathematics

2 answers:

Verizon [17]3 years ago

8 0

He will use 3 gallons if he drives 78 miles

tensa zangetsu [6.8K]3 years ago

6 0

He Would Use A Total Of 03 Gallons .

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WhichGiven that f(x) = x² + 5x, evaluate f(-2). of the following is equal to ?

Andrew [12]

F(x)= x²+5x
f(x)= -2²+5(-2)
f(x)= 4-10
f(x)= -6
I hope I helped you :)

4 0

3 years ago

What are the coordinates of the midpoint of line segment AB?

GenaCL600 [577]

A = (2 , 8 )

B = ( 7 , -5 )

therefore, midpoint of AB

( x1 + x2/2 , y1 + y2/2 )

→ ( 2 + 7/2 , 8 + (-5)/2 )

→ 9/2 , 3/2

→ 4.5 , 1.5

so, option B is correct

hope this answer helps you dear... take care!

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3 years ago

59. If <img src="https://tex.z-dn.net/?f=%5Clim%20_%7Bx%20%5Crightarrow%201%7D%20%5Cfrac%7Bf%28x%29-8%7D%7Bx-1%7D%3D10%2C" id="T

denpristay [2]

Answer:

$\large\lim_{x\rightarrow 1} f\left( x\right)=8$

Step-by-step explanation:

$\lim_{x\rightarrow 1} \frac{f\left( x\right) -8}{x-1} =10$

$\lim_{x\rightarrow 1} f\left( x\right) -8=10\times \lim_{x\rightarrow 1}\left( x-1\right)$

$\lim_{x\rightarrow 1} f\left( x\right) -8=10\times\left( (1)-1\right)$

$\lim_{x\rightarrow 1} f\left( x\right) -8=10\times\left( 0\right)=0$

$\lim_{x\rightarrow 1} f\left( x\right) -8=0$

$\lim_{x\rightarrow 1} f\left( x\right) =8$

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2 years ago

Mae is finding the product of 70 x 40. How many zeros will be in the product? Explain.

Nina [5.8K]

Answer: THE ANSWER IS 2,800

Step-by-step explanation: 7 TIMES 4 = 28 AND THE ZERO FROM 70 AND 40 TAKE THE ZEROS AND PUT TO 28 AND YOU GET 2,800 AND THE PRODUCT IS TWO ZEROS

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3 years ago

A light bulb manufacturer knows that 0.07% of all bulbs manufactured are defective. A testing machine is 98% effective. If a ran

victus00 [196]

P[ actually defective & shown as defective] = 98% of 0.08% = 0.0784%
P[ok & shown as defective] = 2% of 99.92% = 1.9984%

P[actually defective | shown as defective] = 0.0784/(0.0784+1.9984) = 3.775% <-------

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4 years ago