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algol [13]
3 years ago
8

Hannah is three less than double Isabelle's age. Their combined age is 24. How old is Hannah?

Mathematics
1 answer:
Reptile [31]3 years ago
6 0

Answer:

9

Step-by-step explanation:

24 divided by 2

12-3

9

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Help me with this please!!
ololo11 [35]

Answer:

DE ≅ XY and XY ≅ YZ, then DE ≅ YZ

Thus, this statement is illustrated or validated by the 'Transitive Property of Segment Congruence'.

Step-by-step explanation:

We know that if two segments are congruent to the third segment, then they will be congruent to each other. This is called Transitive Property of Segment Congruence.

For example, Let suppose

  • segment LM = 30 units
  • segment AB = 30  units                    
  • segment BC = 30 units

LM ≅ AB and AB ≅ BC, then LM ≅ BC

30  ≅ 30 and  30  ≅ 30, then 30  ≅ 30

Thus, this validates the 'Transitive Property of Segment Congruence'.

Now Given

DE ≅ XY and XY ≅ YZ, then DE ≅ YZ

Thus, according to the above discussion, this statement is illustrated or validated by the 'Transitive Property of Segment Congruence'.

8 0
3 years ago
Match with the right picture​
Rus_ich [418]

Answer:

i will tell u if u give me brain liest

Step-by-step explanation:

4 0
3 years ago
Suppose you roll a number cube. What is the theoretical probability of rolling a 5?
HACTEHA [7]

Answer:

1/6

Step-by-step explanation:

There are 6 possible outcomes when you roll a die

1,2,3,4,5,6

P(5) = number of outcomes with a 5/ total outcomes

        =1/6

3 0
3 years ago
Using the p-value rule, if a null hypothesis is rejected at a significance level of 0.01, it will ________ be rejected at a sign
igomit [66]

Answer:

<u>always</u>

Step-by-step explanation:

For this hypothesis test:

<u>The Decision rule: </u> To reject the null hypothesis H_o if the p-value is lesser than < the significance level.

At the level of significance 0.01, the null hypothesis is rejected.

So, p-value < 0.01 and this typically shows that p-value is < 0.05.

Therefore, it will <u>always</u> be rejected at ∝ = 0.05

8 0
3 years ago
The frog population at a lake doubles every week. The population can be modeled by
marta [7]
The answer is C. The rate the population increases. The 960 in the equation represents the population at a certain number of weeks which is x. The starting population describes the quantity 15. The number of weeks that have passed is described as the 6 weeks. 

The equation would be described as: f(x) =15*(2^x) and f(x) =960
8 0
3 years ago
Read 2 more answers
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