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2 years ago

What is 8 wholes and 3/4 subtracted by 2 wholes and 1/4

Mathematics

1 answer:

Pepsi [2]2 years ago

5 0

6 wholes and 2/4))hhh

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Jose walks at a rate of 4 miles per hour and runs at a rate of 8 miles per hour. Each week, his exercise program requires him to

Nastasia [14]

Answer:

Here we can use the relationship:

Distance = time*speed.

When Jose walks, his speed is 4 mph.

Then if he walks for X hours, the distance that he will travel is:

D = 4mph*X

When Jose runs, his speed is 8mph.

Then if he runs for T hours, the distance that he will travel is:

D´ = 8mph*Y

And we know that he travels in total 20 miles, then we must have that:

D + D´= 20mi

This leads to:

4mph*X + 8mph*Y = 20mi

Where X is the time that he walked, and Y is the time that he runed.

Then the equation that represents the different amounts of times that Jose runs and walks is:

4mph*X + 8mph*Y = 20mi

Where we can not really find the solutions for Y and X, because there is only one equation and two variables.

7 0

2 years ago

choose the standard form of the equation of the circle with radius 5 √ 3 centered at( -6, 2) please help

Ilia_Sergeevich [38]

Answer:

(x + 6)² + (y - 2)² = 75

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

here (h, k) = (- 6, 2) and r = 5 $\sqrt{3}$ , hence

(x - (- 6))² + (y - 2)² = (5 $\sqrt{3}$ )², that is

(x + 6)² + (y - 2)² = 75

8 0

2 years ago

What is the solution to the equation 9r=4/7

Vera_Pavlovna [14]

Answer:

r=4/63

Step-by-step explanation:

Divide each term in 9r=47 by 9 and simplify.

8 0

1 year ago

Read 2 more answers

Which expression is equivalent to 36÷3+3 ?

VARVARA [1.3K]

D is the you looking have a nice day

7 0

3 years ago

Read 2 more answers

De un deposito de agua se consume el lunes 1/10, el martes 3/10 y el miercoles 2/10. ¿Cuanto queda para el resto de la semana ?

vlada-n [284]

Answer:

Queda 2/5 del depósito del agua para el resto de la semana.

Step-by-step explanation:

(This problem is presented in Spanish and for that reason explanation will be held in the same language)

La capacidad remanente del depósito de agua se obtiene mediante una resta de fracciones. Es decir:

$x = 1 - \frac{1}{10} - \frac{3}{10} - \frac{2}{10}$

$x = \frac{10}{10} - \frac{1}{10} - \frac{3}{10} - \frac{2}{10}$

$x = \frac{10-1-3-2}{10}$

$x = \frac{4}{10}$

$x = \frac{2}{5}$

Queda 2/5 del depósito del agua para el resto de la semana.

3 0

2 years ago