Answer:
.5 or 1/2
Step-by-step explanation:
.5 x .25 = .125
3/8 = .375
.125 + .375 = .5
In this Problem you can use the Cross Multiplication.
If in 15 seconds the nurse counted 18 beats, so in 60 seconds she will count x beats.
15 seconds = 18 beats
60 seconds = x beats
You use the cross multiplication and multiply 60 by 18 and 15 by x, so you get:
15x = 60 * 18
15x = 1080
Then, you divide 15x and 1080 by 15 each, so you get:
x = 72
So, the Nurse counted 72 beats in 60 seconds
Yourwelcome :)
Answer:
What are we supposed to put in the boxes?!?!?!?
Step-by-step explanation:
0.2 + 0.1 = 0.3
it's 0.3 (I think so) ?
Answer:
2x + y = - 5
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
Here m = - 2 and (a, b) = (- 1, - 3 ) , thus
y - (- 3) = - 2(x - (- 1)), that is
y + 3 = - 2(x + 1) ← distribute
y + 3 = - 2x - 2 ( add 2x to both sides )
2x + y + 3 = - 2 ( subtract 3 from both sides )
2x + y = - 5