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4vir4ik [10]
3 years ago
15

Again answer as many as you can

Mathematics
2 answers:
makkiz [27]3 years ago
8 0
The rhombus question, I'm pretty sure, is 7.2
Keith_Richards [23]3 years ago
7 0
For #3, it's 5.4 because you divide the total amount of money made by the amount of money earned per hour. 

49.95/9.25=5.4 hours
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Asking costs 5 points and then choosing a best answer earns you 3 points!
yKpoI14uk [10]
Thanks this came in handy bc I'm a beginner
4 0
3 years ago
Use substitution to solve the linear system of equations.
zzz [600]
<span>5x - y = 15 (1)
-10x+2y=-30 (2)

multiply (1) by 2

10x - 2y = 30
</span>-10x + 2y = -30 (2)
<span>---------------------------add
0 = 0

answer
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5 0
3 years ago
Una avenida está siendo asfaltada por etapas. En la primera etapa se asfaltó la mitad; en la segunda, la quinta parte, y en la t
s344n2d4d5 [400]

Answer:

Sabemos que:

L es el largo de la avenida.

En la primer etapa se asfalto la mitad, L/2, entonces lo que queda por asfaltar es:

L - L/2 = L/2.

En la segunda etapa se asfalto la quinta parte, L/5, entonces lo que queda por asfaltar es:

L/2 - L/5 = 5*L/10 - 2*L/10 = (3/10)*L

En la tercer etapa se asfalto la cuarta parte del total, L/4, entonces lo que queda por asfaltar es:

(3/10)*L - L/4 = 12*L/40 - 10L/40 = (2/40)*L

Y sabemos que este ultimo pedazo que queda por asfaltar es de 200m:

(2/40)*L = 200m

L = 200m*(40/2) = 4,000m

7 0
3 years ago
Simplify: 4w9+(-2w9) enter the original expression if it cannot be simplified
slavikrds [6]
18w (please check for sure though, cause im not 100% ) 
6 0
3 years ago
The table shows the height, in centimeters, that a weight bouncing from a spring would achieve if there were no friction, for a
Paha777 [63]
Hello! For ease of calculations, we can identify the time it took for the weight to bounce back to the other direction, then the other, and then back to its original position by looking at the time it took for the weight to change from 0 to 25 to 0 to -25 then back to 0. This is one whole cycle of the weight.

By the time the weight first reached zero, 1.5 seconds has passed. By the third time it got to zero again, 7.5 seconds has passed. Therefore, one whole cycle of the weight is 7.5-1.5 = 6.0 seconds.

ANSWER: One whole cycle of the weight took 6 seconds.
4 0
3 years ago
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