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e-lub [12.9K]
3 years ago
7

15.

Mathematics
1 answer:
saveliy_v [14]3 years ago
8 0

Answer:

In 1.25 hours, their combined speed is 40 km, so their speed per hour is 32 km/h

So the answer is B. northbound bicyclist = 18 km/h

southbound bicyclist = 14 km/h

Step-by-step explanation:

the speed of the slower is x and the faster x+4 km/h

that equals 32 km and the speed of the slower is 14 km/hr and the faster 18 km/hr.

in 1h15m the slower goes 17.5 km and the faster 22.5 km

You might be interested in
Si colocan en 16 pisos, 16 ladrillos. ¿Cuántos ladrillos pusieron en total?. (expresarlo en forma de potencia)
inn [45]

Answer:

Númer total de ladrillos= 256

Step-by-step explanation:

<u>Dada la siguiente información:</u>

Total de pisos= 16

Total de ladrillos por piso= 16

<u>Para calcular cantidad de ladrillos en total, tenemos que usar la siguiente formula:</u>

Número total de ladrillos= total de ladrillos^2

Número total de ladrillos= 16^2

Númer total de ladrillos= 256

En este caso lo hace al cuadrado por que la cantidad de pisos y ladrillos por piso es la misma. Sino, es mejor expresarlo como una multiplicación.

5 0
3 years ago
Please help!!!
svetlana [45]

Answer:

A.(-2,4) and (11,-7) ...

I hope I'm correct

3 0
3 years ago
Ben earns $750 a month plus 4% commission on all his sales over $900. Find the minimum sales that will allow Ben to earn at leas
e-lub [12.9K]
$750 + s x 4% = $2,500 | - $750

s x 4% = $1,750 | : 4%

s = $43.750
4 0
3 years ago
3a = 18<br> (I know how to solve it, but how do I check my solution?)
qwelly [4]

Answer:

plug the a back in

3(6)=18 if the answer is 18 then your right

18=18

5 0
3 years ago
Read 2 more answers
Mathhhhhhhhhhh which one is correct
julsineya [31]

Answer:

slope = 4

y intercept = -3

Step-by-step explanation:

The equation is put in slope intercept form

Slope intercept form: y = mx + b

where m = slope and b = y intercept

looking at slope intercept form

4 is located where m should be , meaning that the slope is equal to 4 and

-3 is located where b should be , meaning that the y intercept is -3

Therefore the answers are the first and last option choices.

4 0
3 years ago
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