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zvonat [6]
3 years ago
5

Tommy is 23 years younger than his father. together their ages total up to 45 years. howl old are Tommy and his father?

Mathematics
1 answer:
ivolga24 [154]3 years ago
7 0
The answer is 45 total.

So Tommy is 22 years old while his Father is 45.

45 years of age total, tommy is 23 years younger so 45 - 23 = 22 so tommy is 22 while his father is 45.
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inysia [295]

Answer:

x=2 and y=1

Step-by-step explanation:

Rewrite equations:

y=−x+3;y=x−1

Step: Solve

y=−x+3

Step: Substitute−x+3foryiny=x−1:

y=x−1

−x+3=x−1

−x+3+−x=x−1+−x(Add -x to both sides)

−2x+3=−1

−2x+3+−3=−1+−3(Add -3 to both sides)

−2x=−4−2x−2=−4−2

(Divide both sides by -2)

x=2

Step: Substitute2forxiny=−x+3:

y=−x+3

y=−2+3

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Hope this Helps you :)

3 0
3 years ago
What is the probability of rolling a prime number of a standard 20 sided die? (1 is not a prime number)
satela [25.4K]

Answer:

2/5.

Step-by-step explanation:

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A total of 8.

So the probability of rolling a prime number is 8/20

= 2/5.

3 0
3 years ago
My friend sets out walking at a speed of $3$ miles per hour. I set out behind her $5$ minutes later at $4$ miles per hour. When
r-ruslan [8.4K]

Answer:  The answer is 0.25 miles.


Step-by-step explanation:  Given that my friend started walking at a speed of 3 miles per hour and I started 5 minutes after him at a speed of 4 miles per hour. We need to find the number of miles my friend travelled when I started walking.

Since I started 5 minutes after than my friend, so we are to find the distance travelled by my friend in 5 minutes.

In 1 hour, i.e., 60 minutes, distance travelled by my friend = 3 miles.

In 1 minute, distance travelled by my friend is

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Therefore, distance travelled by my friend in 5 minutes will be

\dfrac{1}{20}\times 5=\dfrac{1}{4}=0.25~\textup{miles}.

Thus, the answer is 0.25 miles.

3 0
2 years ago
Read 2 more answers
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dangina [55]
1) (12p-3)(12p-3)
=144p^2-36p+36p+9
=144p^2+9 (-36+36=0 so it cancels out)
4 0
3 years ago
Read 2 more answers
How do you do this 89.25 ×7 1/4
Elodia [21]

Answer:

647.0625

Step-by-step explanation:


6 0
3 years ago
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