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11Alexandr11 [23.1K]
3 years ago
14

Simplify expressions 2a+3+a+4

Mathematics
2 answers:
luda_lava [24]3 years ago
8 0
3a + 7
combine like terms
2a and a are like terms
3 and 4 are like terms
Norma-Jean [14]3 years ago
4 0
3a plus 7. you group the whole numbers together and than the a's. so 3+4 is 7. 2a + a is 3a.
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Send help lol confused
hram777 [196]

Answer:

C. 0≤x≤7

Step-by-step explanation:

It is not choice D. because it has y instead of x. It is supposed to be x because it is asking for domain.

Hope this helps!

4 0
1 year ago
How do you do this? Someone give me the answer
Gemiola [76]
It would last 13.5 weeks because you would make a proportion:
12/16 = x/18 and then cross multiply. You would get 216=16x, then you have to divide both sides by 16 to get x = 13.5
4 0
3 years ago
Can you solve this :-)? Identify the equation that means "eleven less than x is twenty-three" (A) x = 23 - 11. (B) x + 11 = 23.
mart [117]
Hey user!!

your answer is here (-:

given :- eleven less than x ( x - 11 ) = twenty three

final answer = x - 11 = 23

correct option is D. x - 11 = 23

if u need the value of x too, then Answer is :-

x - 11 = 23

x = 23 + 11

x = 34

cheers!!
3 0
3 years ago
What is the recursive rule for the sequence 2, -1, 1/2 , -1/4
Helga [31]

Answer:

a_n=\frac{-1}{2}a_{n-1}

a_1=2

Step-by-step explanation:

The recursive rule is a term defined in terms of other terms in the sequence.

The is a geometric sequence because it has a common ratio.

The common ratio can be found by dividing a term by previous term.

For example, all of these are equal:

\frac{-1}{2}

\frac{\frac{1}{2}}{-1}

\frac{\frac{-1}{4}}{\frac{1}{2}}

They are all equal to \frac{-1}{2}.

So we are saying:

\frac{\text{term}}{\text{previous term}}}=\frac{-1}{2}

More formally:

\frac{a_n}{a_{n-1}}=\frac{-1}{2}.

Multiply both sides by a_{n-1}:

a_n=\frac{-1}{2}a_{n-1}

When doing recursive form, you need to state a term of the sequence (or more depending on the recursive form you have).

So the first term is 2.

So the full thing for the answer is:

a_n=\frac{-1}{2}a_{n-1}

a_1=2

8 0
3 years ago
What is the mixed decimal 17.45 as a mixed number and reduce to lowest terms
Hunter-Best [27]
17.45  =    17  <u>45</u>
                     100    and you can divide the numerator and denominator by 5

so the final answer is 17 <u> 9
</u>                                     20<u>
</u>
7 0
3 years ago
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