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anygoal [31]
2 years ago
9

Una familia está conformada por el padre, la madre, el hijo y la hija, el padre tiene el doble de la edad del hijo, la madre tie

ne 6 años menos que el padre, la hija tiene 5 años más que el hijo. sumando sus edades dan 106. calcular que edad tienen cada uno.
Mathematics
2 answers:
Jlenok [28]2 years ago
8 0

Answer:

PADRE=36 AÑOS - MADRE=30 AÑOS - HIJA=23 AÑOS - HIJO= 18 AÑOS

Mariulka [41]2 years ago
3 0

Answer:

Step-by-step explanation:

First off, this wouldn't make sense for a girl to be older than her mother or her father.

Second, mother is x years old. The girl is 2x years old. The father is x+5 years old. Total sum = 100.

So, we need to solve for x first.

2x + x + x+5 = 100

4x + 5 = 100

4x = 95

4x ÷ 4 = 95 ÷ 4

x = 23.75

Mother is 23 and 3 quarters, turning 24.

Daughter is 23.75 × 2 = 47 1/2 years old.

And the Father is 28 and 3 quarters, turning 29.

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ratelena [41]

Answer:

A) from the line of best fit, the approximately y-intercept is (0,1.8). This means without any practice, 1h.8 games are won.

B) slope: (5.6-1.8)/(2-0) = 1.9

y = 1.9x + 1.8

(Line of best fit)

x = 13,

y = 1.9(13) + 1.8 = 26.5

Predicted no. of games won after 13 months of practice is 26.5

7 0
2 years ago
Read 2 more answers
Dave is adding a new patio to the back of his house. The dimensions of the patio are shown below. If one bag of concrete mix wil
valentinak56 [21]

Answer:

4

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Multiply base times height for the area

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5 0
2 years ago
A line that passes through the points (−5, 7) (10, 1). Using the mx+b format
lianna [129]

Answer:

y=2x-19

Step-by-step explanation:

I'm guessing you mean slope intercept form y=mx+b

If so, first you would have to find the slope of the line

To do that, use the formula y2-y1/x2-x1

Remember you can pick any coordinate pair for this

I will pick 1=y2 -5=y1 10=x2 and 7=x1

When I put that in the equation I get 1-(-5)/10-7

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Now to find the y intercept, you plug in the slope and one of the coordinates(any is fine)

I will pick (10,1)

1=y and 10=x and 2=m

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this simplifies to 1=20+b

now subtract 20 from both sides and get -19 = b

Now you have your equation y=2x-19

6 0
3 years ago
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Answer:

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I just got it right on my quiz.

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