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
Komok [63]
3 years ago
5

(8a + 3) + (a + 2)

Mathematics
1 answer:
Ierofanga [76]3 years ago
4 0
The answer is 9a+5. All you have to do is combine like terms:)
You might be interested in
The half-life of a radioactive kind of neodymium is 11 days. If you start with 2,616 grams of it, how much will be left after 22
Ket [755]

Answer:

654 grams

Step-by-step explanation:

When you set up this equation you want the number of grams you start with, 2616, and the factor by which it is decreasing, which is half, or 1/2. Because the half life is 11 days, but you want to find the amount left over after 22 days, you can make 22/11 as the exponent on the 1/2. The equation should look like this : 2616(1/2)^22/11. With these kinds of equations you always want to multiply the starting value by the factor of increase/decrease, and raise that factor to the time eclipsed divided by the set time(like the 11 day half life).

3 0
3 years ago
PLZ HELP<br> (3x+3/4x) - (6+1/2) = 4x<br> Solve for x
goldfiish [28.3K]

x=-26 is the final anwser :)

5 0
3 years ago
According to the graph above,what is the unit rate of a human's heartless per minute​
kari74 [83]

The unit rate for the graph above is 60 heartbeats per minute. Half of 2 is 1 so go to the 1 min. mark and go up until you reach the line graph and it says 60. Do the same for the 2 min. mark and go up until you reach the line graph and it'll say 120. 60 ÷60=1 and 120 ÷ 60= 2

5 0
3 years ago
How many packs of DVD's can you buy with 165 dollars if one pack costs 11 dollars ?
Snowcat [4.5K]
You can find 15 DVDs.

165 divided by 11 = 15
4 0
3 years ago
Read 2 more answers
Q1.Simplify:
solniwko [45]

\textbf{(i)}\\\\\{1^3 +2^3 \} \times \left(\dfrac 13 \right)^2\\\\=(1+8) \left(\dfrac 19 \right)\\\\=9\left(\dfrac 19 \right)\\\\=1\\\\

\textbf{(ii)}\\\\\{5^{-1}\times 4^{-1}\}^2\\\\=\left(5^{-1} \right)^2 \times \left(4^{-1} \right)^2~~~~~~~~~~~;[(ab)^m = a^mb^m]\\\\=5^{-2}\times 4^{-2}~~~~~~~~~~~~~~~~~~~~;[(a^m)^n = a^{mn}]\\\\=\dfrac 1{5^2} \times \dfrac 1{4^2}~~~~~~~~~~~~~~~~~~~~~~;\left[a^{-m} = \dfrac 1{a^m},~ a\neq 0 \right]\\\\=\dfrac{1}{400}\\\\=0.0025\\\\

\textbf{(iii)}\\\\\left\{ \left(\dfrac 13 \right)^{-2}  \times \left( \dfrac 12 \right)^{-2}\right\}\div \left(\dfrac 14 \right)^{-3}\\\\\\=\left( \dfrac 13 \times \dfrac 12 \right)^{-2} \div\left(4^{-1}\right)^{-3}\\\\\\=\left(\dfrac 16 \right)^{-2} \div 4^3\\\\\\=\left(6^{-1} \right)^{-2}\div 4^3\\\\\\=6^2 \div 4^3\\\\\\=36\div 64\\\\\\=\dfrac{9}{16}\\\\\\=0.5625

6 0
2 years ago
Read 2 more answers
Other questions:
  • A rectangular bird sanctuary is being created with one side along a straight riverbank. the remaining three sides are to be encl
    13·1 answer
  • The surface area of a rectangular prism is 396 ft2.
    13·1 answer
  • How does the Pythagorean theorem work?
    5·2 answers
  • Find the Mae sure of each exterior angle of a regular 30 sided polygon
    12·1 answer
  • I need help what are the steps to find a
    9·1 answer
  • How about this 8 AND 9
    14·1 answer
  • HELP ME QUICKLY PLEASE IM GIVING BRAINLIEST!!!
    11·1 answer
  • PLZ help me. URGENT. <br> Find all the solutions
    15·1 answer
  • 8. An expression is shown.<br> 6n<br> What is the value of the expression when n=7?
    10·2 answers
  • Jillian put $1200 into an account earning 6.5% interest compounded continuously. How long until she doubles her money?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!