As both numbers that were used for estimation are greater than actual numbers the estimated product will be greater than the actual product.
Step-by-step explanation:
Estimation is used to find the product of two large numbers without using any electric device.
In estimation, we take the nearest whole numbers with zeroes so that the multiplication becomes easy.
The given numbers whose product has to be estimated is:
37*86
The numbers used for estimation are
40*90
As
40>37
90>86
As both numbers that were used for estimation are greater than actual numbers the estimated product will be greater than the actual product.
Keywords: Product, estimation
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0 solution
3(x+4)=3x+4
3x+12=3x+4
(3x-3x)=(-12+4)
0=-8
so no posible solution
Answer:
475 students, 125 adults
Step-by-step explanation:
x + y= 600......equation 1
5x +9y= 3500.......equation 2
From equation 1
x +y = 600
x= 600-y
Substitute 600-y for x in equation 2
5(600-y) +9y= 3500
3000-5y+9y= 3500
3000+4y= 3500
4y= 3500-3000
4y= 500
y= 500/4
y= 125
Substitute 125 for y in equation 1
x + y= 600
x + 125= 600
x = 600-125
x= 475
Hence there are 475 students and 125 adults
Plug in 3 for x
f(3)= 2(3)+8
f(3)=6+8
f(3)=14
g(3)=5
Then add the values
14+5=19
Final answer: 19
X=24.20-3/10
x=24 2/10-3/10
x=23 9/10 or x=23.9