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Korolek [52]
3 years ago
14

Élizabeth a 20 ans de moins que son père. Si son père est trois fois plus âgé qu’elle, détermine l’âge de chacun.

Mathematics
1 answer:
eduard3 years ago
4 0
Elizabeth is 20 years younger than her father. If her father is three times her age, determine the age of each.
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2x-y+7whenx= -5andy-2.
Paha777 [63]

Answer:

-1

Step-by-step explanation:

2x-y+7

Let x = -5 and y = -2

2(-5) -(-2) +7

-10 +2 +7

-10 +9

-1

7 0
3 years ago
Which system of linear inequalities is graphed?
Ksivusya [100]

Answer:

3rd option

Step-by-step explanation:

The dotted line at x=3 removes the 2nd one

Cus it's a dotted line, the > sign has no line under it so not 1st option

last option has y intercept at 1 but the graph's y intercept is at -2 so it's not it

5 0
3 years ago
What is the probability of randomly selecting a heart from a standard deck of 52 cards?
vagabundo [1.1K]

Answer:

The answer is 13/52 which is 25%.

Step-by-step explanation:


6 0
2 years ago
Read 2 more answers
Use the difference of squares identity to write this polynomial expression in factored form:
s344n2d4d5 [400]
9x^2-49
It equals:
(3x+7)(3x−7)

Hope this helps!
6 0
3 years ago
(4 1/5 divided by x+1 1/3)divided by 2 4/35-4/5=1 8/15
icang [17]

Answer:

x = 7/6 = 1.167

Step-by-step explanation:

6 0
2 years ago
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