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Sergio039 [100]
2 years ago
10

2 hermanos tienen una cuenta de ahorros en el banco por 1.920.000 pesos, lo que le corresponde al hermano mayor es 6 veces lo qu

e le corresponde al hermano menor mas un adicional de 72.000 pesos
¿cuanto le corresponde al hermano mayor?¿cuanto le corresponde al hermano menor?
Mathematics
1 answer:
ExtremeBDS [4]2 years ago
5 0

Answer:

al hermano mayor le corresponde 1656 dolares

Step-by-step explanation:

You might be interested in
Solve 3x + 7 > -x - 9. Show each step of your work.
Kruka [31]

Answer:

x > -4

Step-by-step explanation:

Inequalities like these are solved the same way equations are solved, except when multiplying both sides you flip the less than/greater than sign:

3x + 7 > -x -9

3x + 7 - 7 > -x -9 -7     Subtract 7 from both sides

3x > -x -16

3x + x > -x -16 + x     add x to both sides

4x > -16

\frac{4x}{4} > \frac{-16}{4}     divide both sides by 4

x > -4

In this case the inequality sign did not have to be flipped since we never multiply both sides by a negative number.

3 0
3 years ago
7.
patriot [66]

Answer:

C

Step-by-step explanation:

Square root of 92 is 9.591663047

so round that to 9.59

5 0
3 years ago
The General Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours
DerKrebs [107]

Answer:

Yes, we can conclude that the population standard deviation of TV watching times for teenagers is less than 2.66

Step-by-step explanation:

H0 : σ² = 2.66²

H1 : σ² < 2.66²

X²c = (n - 1)*s² ÷ σ²

sample size, n = 40

Sample standard deviation, s = 1.9

X²c = ((40 - 1) * 1.9²) ÷ 2.66²

X²c = 140.79 ÷ 7.0756

X²c = 19.897

Using a confidence level of 95%

Degree of freedom, df = n - 1 ; df = 40 - 1 = 39

The critical value using the chi distribution table is 25.6954

Comparing the test statistic with the critical value :

19.897 < 25.6954

Test statistic < Critical value ; Reject the Null

Hence, we can conclude that the population standard deviation of TV watching times for teenagers is less than 2.66

8 0
3 years ago
Pleas hell will mark brainliest
OverLord2011 [107]

Answer:

The answer is b.

Step-by-step explanation:

Eduardo sold 1 white chocolate chip and 3 oatmeal.

15 + (18 x 3) = 69

Heidi sold 2 white chocolate chip and 1 oatmeal.

(15 x 2) + 18 = 48

3 0
3 years ago
Sierra says that she can simplify the side of the inequality shown by combining the terms within the parentheses but that she​ c
stiv31 [10]

Answer:

Yes, Sierra is correct

Step-by-step explanation:

Given

4(y + 7) > -3 (4 + 5)

Required

Is she correct

The right parenthesis has 4 + 5.

This can be simplified as: 4 + 5 = 9

So, we have:

4(y + 7) > -3 (4 + 5)

4(y + 7) > -3 *9

The left parenthesis has y + 7.

This cannot be simplified because y is a variable and 7 is a number.

<em>Hence, Sierra is correct.</em>

8 0
3 years ago
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