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3 years ago

13

alice can drive 40 miles on a gallon of gas. gas cost $5 per gallon including taxes. how much will it cost alice for gas to driv

e 360 miles?

2 answers:

frez [133]3 years ago

7 0

Need points I’m sorry

Alex787 [66]3 years ago

5 0

It will cost $45 to go 360 miles :) I hope this helped and if it does mark me brainliest!

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A circle has a diameter with endpoints at (6, 5) and (8, 5). Write the equation for the circle.

mario62 [17]

Answer:

$(x-7)^2+(y-5)^2=1$

Step-by-step explanation:

The two things that are required to formulate the equation of the circle is the center coordinate and the radius of the circle!

<u>Center of the circle:</u>

The center of the circle always lies at the midpoint of the endpoints of its diameter: Let's call the endpoints A(6,5) and B(8,5).

Using the midpoint formula we'll get:

$(x_m, y_m) = \left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

$(x_m, y_m) = \left(\dfrac{6+8}{2},\dfrac{5+5}{2}\right)$

$(x_m, y_m) = (7,5)$

This is the center coordinate of our circle.

<u>Radius: </u>

The radius of the circle is the distance from the center of the circle to any of the endpoints of the diameter (A or B)

We can use the distance formula:

$r = \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$

$r = \sqrt{(x_1-x_m)^2+(y_1-y_m)^2}$

$r = \sqrt{(6-7)^2+(5-5)^2}$

$r = \sqrt{1^2}$

$r = 1$

<u>Equation of the circle: </u>

The equation is written as:

$(x-a)^2+(y-b)^2=r^2$

here, (a,b) are the center points of the circle

in our case this is $(a,b)=(x_m,y_m)=(7,5)$

and r = 1

$(x-7)^2+(y-5)^2=1^2$

$(x-7)^2+(y-5)^2=1$

This is the equation of the circle!

3 0

2 years ago

Please help me get this right I don’t know how to do it.

velikii [3]

Answer:

tan∠E=1/3

Step-by-step explanation:

Tangent or opposite/adjacent of angle E is segment HF/3 to solve for HF you can use sine of H opposite over hypotenuse or √8/HF=sin45°. Rearranging the equation you get √8/sin45°=HF and sin45°= 2√2 so √8/2√2=1 HF=1 now you know that tan(∠E)=1/3.

7 0

2 years ago

Can you work these out?<br> 0.6x100<br> 0.15x100<br> 3.7x100<br> 0.8x100<br> 0.07x100

Monica [59]

Step-by-step explanation:

$0.6 \times 100 = 60 \\ 0.15 \times 100 = 15 \\ 3.7 \times 100 = 370 \\ 0.8 \times 100 = 80 \\ 0.07 \times 100 = 7$

6 0

3 years ago

How many radians is 340 degrees

MakcuM [25]

Answer:

About 5.93412 radians.

Step-by-step explanation:

To calculate it you would multiply 340 by π/180 because if graphed, 340 degrees is located in the first quadrant.

I hope this helps! :)

5 0

2 years ago

Read 2 more answers

A rectangular hat box has a value of 5,184 cubic inches. The box is 2feet Long by 18in wide. What is the hat box’s height?

Hatshy [7]

D would be the correct answer. Post brainliest if this helped plz :)

6 0

2 years ago