All categories

3 years ago

Sam is 3 years younger then Marco . Marco is 15 how old is Sam

Mathematics

2 answers:

vodomira [7]3 years ago

6 0

Sam will be = 15 - 3 = 12 years.

astraxan [27]3 years ago

5 0

Sam is 15-3 years then Marco=>Sam is 12 years old.

You might be interested in

Trey runs each lap in 6 minutes. He will run at least 30 minutes today. What are the possible numbers of laps he will run today?

vlada-n [284]

Answer:

5 laps

Step-by-step explanation:

30 ÷ 6 = n

n=5

8 0

2 years ago

What are the restrictions for (x^2+10x+25)/(x^2-3x-28) 0,14 -4,7 0,7 4,7

nirvana33 [79]

The answer is -4,7

The denominator can't equal zero. Factor the denominator:
x^2 - 3x - 28=
(X - 7)(x + 4); next set each set of parentheses equal to 0;
x - 7 = 0; so x=7 is one value
x + 4 = 0; so x=-4 is the other
Remember, x = 7 and x= -4 make the denominator zero, which is a "restriction" because you can't divide by zero.

5 0

3 years ago

What is 3,072/3 Explain in steps,Answer quick

Paha777 [63]

1024 is the answer to this problem.

7 0

3 years ago

Find an explicit rule for the nth term of the sequence.The second and fifth terms of a geometric sequence are 18 and 144, respec

vova2212 [387]

Given:

second term = 18

fifth term = 144

The nth term of a geometric sequence is:

$\begin{gathered} a_n\text{ = ar}^{n-1} \\ Where\text{ a is the first term} \\ r\text{ is the common ratio} \end{gathered}$

Hence, we have:

$\begin{gathered} \text{ar}^{2-1}\text{ = 18} \\ ar\text{ = 18} \\ \\ ar^{5-1}=\text{ 144} \\ ar^4\text{ =144} \end{gathered}$

Divide the expression for the fifth term by the expression for the second term:

$\begin{gathered} \frac{ar^4}{ar}\text{ = }\frac{144}{18} \\ r^3\text{ = }\frac{144}{18} \\ r\text{ = 2} \end{gathered}$

Substituting the value of r into any of the expression:

$\begin{gathered} ar\text{ = 18} \\ a\text{ }\times\text{ 2 = 18} \\ Divide\text{ both sides by 2} \\ \frac{2a}{2}\text{ =}\frac{18}{2} \\ a\text{ = 9} \end{gathered}$

Hence, the explicit rule for the sequence is:

$a_n\text{ = 9\lparen2\rparen}^{n-1}$

5 0

1 year ago

Ted says that 7 tenths multiplied by 10 equals 70 hundredths. Is he correct? Use a place value chart to explain your answers

shutvik [7]

No he isn't..
. 7×10=7
for each time it's multiplied by ten, the decimal point goes back one.

3 0

2 years ago