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3 years ago

Alex rode his bike 25 kilometers. About how many miles did Alex ride his bike?

Mathematics

1 answer:

Advocard [28]3 years ago

6 0

Answer:

Alex rode 15.5343 miles in his bike

Step-by-step explanation:

1 kilometer is 0.621371 miles, multiply 0.621371 with 25. Hope this helps!

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Two times x is 8 more than y. The sum of x and two times y is 14. Write two equations and graph to find the value of y.

Sauron [17]

Option B: $y=4$ is the value of y

Explanation:

It is given that "Two times x is 8 more than y". Writing it as expression, we have,

$2x=8+y$

It is also given that "The sum of x and two times y is 14". Writing it as expression, we have,

$x+2y=14$

To find the value of y, let us solve the two equations using substitution method.

From the equation $2x=8+y$ , let us find the value of x.

$x=\frac{8+y}{2}$

$x=\frac{8}{2} +\frac{y}{2}$

$x=4+\frac{y}{2}$

Now, substituting $x=4+\frac{y}{2}$ in the equation $x+2y=14$ , we get,

$4+\frac{y}{2}+2y=14$

$4+\frac{5y}{2} =14$

$\frac{5 y}{2}=10$

$5y=20$

$y=4$

Thus, the value of y is $y=4$

8 0

3 years ago

Samantha has a rectangular shaped fish tank in her room. The tank has a height of 2.6 ft, a width of 2.1 ft, and a length of 3.9

andrezito [222]

Answer: the BEST approximation of the amount of water her fish tank can hold is 21ft^3

Step-by-step explanation:

The shape of Samantha's fish tank is rectangular. The volume of the rectangular fish tank would be expressed as LWH

Where

L represents length of the tank

W represents the width of the tank.

H represents the height of the tank.

The tank has a height of 2.6 ft, a width of 2.1 ft, and a length of 3.9 ft.

This means that the volume of the fish tank would be

Volume = 2.6 × 2.1 × 3.9

= 21.294 ft^3

7 0

3 years ago

31= -(1+p) +4CP+6) Please help solve

Dimas [21]

Answer:

p=4CP - 26

C= p/4P + 13/2P

P= P/4C +13/2C

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

All tubes of watercolor paint at an art supply store have the the same price. An artist has a coupon for $0.50 off each tube of

BlackZzzverrR [31]

Let us assume the regular price of each tube of paint = r.

0.50 off each tube.

New price of each tube = r - 0.50.

She buy 6 tubes.

Total price of 6 tubes = 6×(r-0.50).

We are given total price = $84.30 .

Therefore, we can setup an equation

6×(r-0.50) = 84.30.

Distributing 6 over (r-0.50), we get

6r - 3.0 = 84.30

Adding 3.0 on both sides, we get

6r - 3.0+3.0 = 84.30+3.0

6r = 87.30

Dividing both sides by 6, we get

6r/6 = 87.30/6

r = 14.55

<h3>Therefore, required equation is 6(r-0.50) = 84.30 and the regular price of each tube of paint is $14.55.</h3>

5 0

3 years ago

For the following questions find the other half of the fraction.

valentina_108 [34]

Answer:

1) 3/5= 6/10

2) 3/6= 6/12

3) 4/10= 2/5

4) 3/4= 6/8

5) 5/10 = 1/2

6) 4/6= 8/12

7) 5/5= 10/10

8) 1/2= 6/12

4 0

2 years ago