There r 9 boys because 63 divided by 7 is 9.
Answer:
p=7
Step-by-step explanation:
pqrs equal to tuv perimeters =60
triangle=20×3
60
Trapezium=(p+8)+12+12+3p
60=4p+32
4p=28
p=7
The parabola hits (-2,1) and (0,-1).
As you can see from the pictures, we can immediately cross out options B and D, since both parabola open upwards.
From the pictures, we can see that the answer is C, since only that parabola opens downwards and hits the points (-2,1) and (0,-1).
Answer:
6300
Step-by-step explanation:
<span>Multiply
the 1st equation by 5 and multiply the 2nd equation by 2. This will
eliminate the x's when you add the two new equations together.
</span>
<span>A) −2x+3y=8
B) 5x+4y=10
So we multiply A) by 5 and B) by 2
</span><span>A) −10x+15y=40
B) 10x+8y=20
</span>
Adding the equations:
23y = 60
y =
<span>
<span>
<span>
2.6086956522
</span>
</span>
</span>