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Ganezh [65]
3 years ago
12

A cyclist rode at an average speed of 15 mph for 30 miles. How long was the ride? Question 6 options: 0.5 hours 1 hour 2 hours 3

hours
Mathematics
2 answers:
Rus_ich [418]3 years ago
6 0

Answer:

2 hours

Step-by-step explanation:

using the relationship

distance = speed × time, then

time = \frac{distance}{speed} = \frac{30}{15} = 2 hours


Paladinen [302]3 years ago
6 0
2 hours because in one hour the cyclist biked 15 miles. That means you could follow the formula 30=15x where 30 is the total distance traveled and x=the number of hours cycled.
(You could solve it two ways)
1. Division:
30=15x ⬅️divide each side by 15
2=x ⬅️ 15 cancels out and you’re left with x=2

2. Multiplication: (you can use to check answer also)
30=15x; x=2
30=15(2) ⬅️ plug in 2
30=30 ✅
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When the angle of elevation to the sun is 53 a tree casts a shadow that is 9 meter long. what is the height of the tree?
alexgriva [62]
Tan (53) = tree height / 9 m
tree height = tan (53) * 9
tree height = 1.327 * 9
tree height = 11.943 meters

6 0
4 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!<br><br> Simplify.<br><br> 4√27 + 6√75
BARSIC [14]

To answer this, you will first need to simply the expressions.

4\sqrt{27} = 12\sqrt{3}

6\sqrt{75} = 30\sqrt{3}

Now with the expressions simplified, you'll add the two together getting 42\sqrt{3}


7 0
3 years ago
Read 2 more answers
A garden measuring 16 meters by 8 meters is going to have a walkway constructed all around the perimeter, increasing the total a
Semenov [28]

Answer:

The width of the pathway is:

  • <u>7 meters</u>.

Step-by-step explanation:

To identify the width of the pathway, you must remember the area formula of a rectangle:

  • Area of a rectangle = length * width.

From which the width can be cleared:

  • Width of a rectangle = area / length.

We know that the length of the terrain was not modified since the pathway is in the perimeter of the rectangle (16 m) and that the new area is 240 m^2, so we only have to replace the cleared formula:

  • Width of a rectangle = 240 m^2 / 16 m = 15 m.

The new width is equal to 15 meters, but since the question is not the total width but the width of the pathway, the width of the previously provided land must be subtracted from the value obtained.

  • <u>Pathway width = Total width - Garden width. </u>
  • <u>Pathway width = 15m - 8m = 7 meters.</u>
7 0
3 years ago
Systems of equations with different slopes and different y-intercepts have one solution. Plzzz explain
timofeeve [1]
Y=2x+4, the slope is 2, A(0,4)-y intercept
y=x+2, the slope is 1, B (0,2)- y intercept

the system is 2x-y=-4
                      -x+y= 2
                     -----------
                       x= -2
                        y=0   is the solution ( only one)
 
   


3 0
3 years ago
Can someone please answer these <br> *will give brainliest if you answer all* AND NO LINK
Jobisdone [24]

Answer:

Rectangular Prism → h = 2in

                                    B = 143in

                                    P = 48in

Surface Area = 382in²

Lateral Surface Area = 96in²

Triangular Prism → h = 7in

                                B = 20in

                                P = 27in

Surface Area = 229in²

Lateral Surface Area = 189in²

Triangular Prism → h = 10in

                                B = 120in

                                P = 60in

Surface Area = 840in²

Lateral Surface Area = 600in²

Step-by-step explanation:

Formulas: Total Surface Area = 2B = Ph

                  a²+b²=c²

                  Area = \frac{1}{2}bh

                  Lateral Area = Ph

PLUG NUMBERS INTO FORMULA. (I'm too lazy to type it all out lol)

8 0
3 years ago
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