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Paul [167]
4 years ago
6

George and Cameron went on a bycicle trip. They took a bus to their starting point, and then biked the rest. They traveled 325 k

ilometers, and they biked 75 kilometers more than they bussed x= kilometers by bike y= kilometers by bus how. Many kilometers they traveled by bike?
Mathematics
1 answer:
pashok25 [27]4 years ago
5 0

Answer:

Step-by-step explanation:

Let the distance travelled by bus be x and the distance travelled be bike be (x+75)

Finally

x + (x+75) = 325

2x = 250

x= 125

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Pls help I’m really confused I’ll give you 35 pints
rjkz [21]

Answer:

The total payment is thus $35.75 plus $7.11, or $42.86

Step-by-step explanation:

Note that the sales tax doesn't affect the tip.  The sales tax is 5% of the cost and the tip is 15% of the before tax cost.  We calculate the tax and the tip separately, then add them together and finally add this sum to the cost.

Sales tax:  5% of $35.75:  $1.75

Tip:  15% of $35.75:  $5.36

Adding these two quantities results in $7.11.

The total payment is thus $35.75 plus $7.11, or $42.86

8 0
3 years ago
Find the volume of the tetrahedron in the first octant bounded by the coordinate planes and the plane passing through (2 comma 0
SVETLANKA909090 [29]

Answer:

The volume of the tetrahedron is:

\frac{50}{3}=16.667

Step-by-step explanation:

The volume of the tetrahedron is given by the intersection of the planes x = 0, y = 0, z = 0 and the plane formed by the three points given.

The equation of the plane formed by the three points is:

Points: (2,0,0);(0,5,0);(0,0,4)

\pi :\frac{x}{2} +\frac{y}{5} +\frac{z}{4} =1

It can also be expressed as:

10x + 4y+5z=20

We have to calculate the triple integral, therefore we must define the domain:

The values of x are given by:

0≤x≤2

We will integrate the values of y between the y = 0 axis and the line formed when z = 0:

z=0 ⇒ 10x + 4y=2 ⇒ y=\frac{20-10x}{4} =

0\leq y \leq 5-\frac{5}{2}x

We will integrate the values of z between the plane z = 0 and the plane 10x + 4y+5z=20

10x + 4y+5z=20 ⇒ z=\frac{20-10x-4y}{5} =4-2x-\frac{4}{5}y

0\leq z \leq  4-2x-\frac{4}{5}y

The volume of the tetrahedron is:

\int\limits^{2}_{0} \ \ \ \int\limits^{5-\frac{5}{2} x}_{0} \ \ \ \int\limits^{4-2x-\frac{4}{5}y }_{0} {z} \, dz\, dy \,dx

\int\limits^{2}_{0} \ \ \ \int\limits^{5-\frac{5}{2} x}_{0} \frac{z^2}{2}|^{4-2x-\frac{4}{5}y}_0\, dy \,dx

\frac{z^2}{2}|^{z=4-2x-\frac{4}{5}y}_{z=0}=\frac{5}{25}(5x+2(y-5))^2

\int\limits^{2}_{0} \ \ \ \int\limits^{5-\frac{5}{2} x}_{0} {\frac{5}{25}(5x+2(y-5))^2}\, dy \,dx

\int\limits^{2}_{0} {-\frac{25}{6}(x-2)^3} dx=-\frac{25}{24} (x-2)^4|^{2}_{0}=\frac{50}{3}

6 0
4 years ago
How do you solve 9+3.5g=11-0.5g and find G
poizon [28]

Answer: 1/2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

9+3.5g=11−0.5g

9+3.5g=11+−0.5g

3.5g+9=−0.5g+11

Step 2: Add 0.5g to both sides.

3.5g+9+0.5g=−0.5g+11+0.5g

4g+9=11

Step 3: Subtract 9 from both sides.

4g+9−9=11−9

4g=2

Step 4: Divide both sides by 4.

4g/4=2/4

g=1/2

8 0
3 years ago
Negative two y is less than 6
USPshnik [31]

Answer: y is greater than -3

Step-by-step explanation:

so first write out the equation:

-2y less than 6

then we isolate the variable by dividing -2 from both sides so.....

6 divided by -2 equals -3

now since we divided it by a negetive the sight must change so........

y is greater than -3

7 0
3 years ago
A teacher wants to award prizes for 1st, 2nd, 3rd, 4th and 5th in the class of
antoniya [11.8K]

Answer:

2,052,086,400.

Step-by-step explanation:

Permutation

Pr = n! / (n-r)!

30P5 = 30! / (30-5)

30P5 = 30x29x28x27x26x25! / 25!

(Just cancel the 25! on the numerator and denominator for easier solving.)

30P5 = 30x29x28x27x26

30P5 = 17,100,720.It is not the final answer because we can still arrange the 5 winners.

5! = 5×4×3×2×1 = 12017,100,720 × 120 = 2,052,086,400

5 0
3 years ago
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