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RoseWind [281]
3 years ago
5

The ratio of ages (in years) of three children is 2:4:5. The sum of their ages is 33. What is the ages of each child ?

Mathematics
2 answers:
emmasim [6.3K]3 years ago
7 0
2+4+5 is 11 and 33/11 is 3 so for every 1 is 3 years,
 the first is 2 so is 2x3=6
the second is 4 so is 4x3=12
the third is 5 so is 5x3=15
SpyIntel [72]3 years ago
7 0
You could also write it as:
1st child's age:= 2x
2nd child:= 4x
3rd child:= 5x
2x+4x+5x=33
11x=33
x=3
Then
1st child's age:= 2x= 6
2nd child:= 4x= 12
<span>3rd child:= 5x= 15
</span>To check if it's correct you need to sum up: 6+12+15=33
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Maria is wrong because they have completed 1/2.

Step-by-step explanation:

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6 0
3 years ago
Which of the following describes how to translate the graph y = |x| to obtain the graph of y = |x + 7|? 7 units up 7 units down
sergij07 [2.7K]

ANSWER

7 units left.

EXPLANATION

The parent function is

y =  |x|

The transformation

y =  |x + a|

shifts the graph of the function, a units to the left.

Therefore the transformation that describes how to translate the graph of

y=|x| to obtain y=|x+7| is 7 units left.

The third choice is correct

5 0
3 years ago
Read 2 more answers
Write the slopes intercept form of the equation of the line through the given points.
Anika [276]
Slope intercept form
y=mx+b
m=slope
b=yintercept

slope for the line passing through the points (x1,y1) and (x2,y2) is
(y2-y1)/(x2-x1)

given
(2,-2) and (2,-3)
slope=(-3-(-2))/(2-2)=(-1)/0=undefined

y=undefinedx
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we see
(x,y)
(2,-2)
(2,-3)
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8 0
3 years ago
(07.03 LC) Which statement is true about the solutions for the equation 5y + 8 = −2? It has no solution. It has one solution. It
Vinvika [58]

Good evening ,

______

Answer:

It has one solution = -2.

___________________

Step-by-step explanation:

5y + 8 = −2 ⇔ 5y = -8 -2 = -10 ⇔ y = -10/5 ⇔ y = -2.

:)

5 0
3 years ago
What the answer pls tell me pls I need this for middle school thx you soooooo much
ololo11 [35]
It is basically : 0.600 + 0.03 + 0.002
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