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Trava [24]
3 years ago
9

A grandmother says her grandson is two years older than her granddaughter and that togther, they are at least 12 years old. how

old are her grandson and granddaughter
Mathematics
1 answer:
Phoenix [80]3 years ago
4 0
 x will be the granddaughter's age
<span>x=2 will be the grandson's age.

</span>x + x + 2 ≥ 12        Collect like terms.
           2x ≥ 12            Divide both sides by 2.             x ≥ 6 years      x + 2 ≥ 8 years
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3 years ago
Write an equation of the line that is perpendicular to 2x + 4y = 6 and passes through the point (6, 4) ). es A ) y = 2x + 4 B) y
netineya [11]

Answer:

B - y = 2x - 8

Step-by-step explanation:

Step 1: find slope

2x + 4y = 6

4y = -2x + 6

Make y the subject of the formula

y =( -2x + 6)/4

We can separate to get the slope

y = -2x/4 + 6/4

y = -x/2 + 3/2

Slope m = -1/2

Step 2: using a point slope form equation

y - y1 = m ( x - x1)

Note: if two lines are perpendicular to the other, it is always a negative reciprocal of each other

ie m = 2

Substitute m into the equation

y - y1 = 2(x - x1)

Step 3: sub the point

( 6 , 4)

x1 = 6

y1 = 4

y - 4 = 2( x - 6)

Step 4 : using a slope intercept form equation

Open the bracket

y - 4 = 2x - 12

y = 2x - 12 + 4

y = 2x - 8

The equation of a line is

y = 2x - 8

5 0
3 years ago
2 of a dozen eggs are cracked. What percent of the carton is NOT cracked using the percent proportion
levacccp [35]

If 2 of 12 eggs are cracked, then 10 are not cracked.

SO

10/12=5/6=about 0.83

0.83 of total eggs not cracked is also equivalent to 83 percent as asked in the problem :)

6 0
3 years ago
Please help ASAP don’t mind the scribbles
hjlf

U = 1

L = 0

R = -2

I = 24

M = 17

H = -3

E = 100

S = -439

O = 11

B = -6

T = -41

D = 19

C = 206

<em>Hope this helped ! :)</em>

8 0
3 years ago
in your stuffed animal collection you have 12 dogs, 10 more cats than dogs and 8 fewer bunnies than dogs
Alex787 [66]
22 cats, 4 bunnies, 12 dogs
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2 years ago
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