1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
aliya0001 [1]
3 years ago
15

the tens digit of a two digit number is twice the units digit. The sum of the digits is twelve. Find the original number.

Mathematics
1 answer:
KatRina [158]3 years ago
4 0
X - tens digit
y - units digit

x=2y\\
x+y=12\\\\
2y+y=12\\
3y=12\\
y=4\\\\
x=2\cdot4\\
x=8\\\\
10\cdot8+4=\boxed{84}

You might be interested in
Choose the correct NAME for the figure.*<br> D<br> E<br> F<br> OEf<br> ODE<br> ODEF<br> Of
sweet-ann [11.9K]
What figure is there, nothing is shown. Name?
3 0
3 years ago
Read 2 more answers
Just this question I've tried but don't understand it
ANEK [815]
I plugged it in to a truncated square pyramid calculator and got v=76
the formula for this shape is V=1/3(A squared+AB+B squared)H.
3 0
3 years ago
Each floor of a doll house is 12.5 inches tall. If the height of the doll house is 75 inches, how many floors does the doll hous
larisa86 [58]
<h2><u>Answer</u><u> </u><u>:</u></h2>

\bigstar\boxed{\large\bf{\leadsto 6\:floors}}

⠀⠀━━━━━━━━━━━━━━━━━━━━━━━━━━━━⠀⠀

\begin{gathered}\rm{ \underline{ \underline{ \red{Given}}}}\begin{cases}\sf{height\:of\:one\:floor\:of\:dollhouse =12.4\:in} & \\ \\\sf{Height\:of\: dollhouse=75\:in}&\end{cases}\\\\\end{gathered}

<h2><u>To </u><u>find </u><u>:</u></h2>

  • Total number of Floors in dool house

<u>➜</u><u> </u><u>Therefore</u><u> </u><u>,</u><u> </u><u>Total</u><u> </u><u>number</u><u> </u><u>of </u><u>floors</u><u> </u><u>can </u><u>be </u><u>find </u><u>out</u><u> </u><u>by </u><u>dividing</u><u> </u><u>the </u><u>total</u><u> </u><u>height</u><u> </u><u>of </u><u>dollhouse</u><u> </u><u>by </u><u>the </u><u>length</u><u> </u><u>of </u><u>one </u><u>floor</u>

‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\bf{=\cancel{ \dfrac{75}{12.5}}}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎

‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\bf{= 6}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎

⠀⠀━━━━━━━━━━━━━━━━━━━━━━━━━━━━⠀⠀

8 0
2 years ago
The probability that you roll a 5 on a six-sided die is start fraction one over six end fraction . the probability that you flip
Anastaziya [24]
Let event A be the coin landing on heads and let event B be rolling a 5 on a six-sided die.
Events A and B are independent if, and only if:
P(A\cap B)=P(A)\times P(B)
It is given in the question that the above condition for independence is met.
Also A and B are independent if:
P(A|B) = P(A)
P(A) = 1/2
Therefore the probability of flipping a coin and it landing on heads, given that you rolled a 5 on a six-sided die is 1/2. The two events are independent.
5 0
3 years ago
Zu questions
frutty [35]

Answer:

esfgkjfvgghhhhhhjjhhhhhgfffghjjkkokkkjrdgsgegfggy

7 0
3 years ago
Other questions:
  • What is 4/4+4/9= or 4/9+7/6=
    9·2 answers
  • (-a)^3 in expanded form?
    15·1 answer
  • Find the quotient. 10669/7
    15·2 answers
  • I need help with these few questions <br>and I need to show work
    5·1 answer
  • What is the answer to x (x+8)=9​
    10·1 answer
  • What is the solution to this system of equations?
    11·1 answer
  • Subtract 7 from all and tell which is the most accurate measurement.
    8·1 answer
  • Pls answer the question with explanation
    15·1 answer
  • Example Given
    9·2 answers
  • You want to put $4,000 in a simple interest account. It has a 2.5% annual interest rate. How long will it take you to earn $500
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!