Answer:
13+x
Step-by-step explanation:
all you have to do is 9+4 which is 13 and leave the +x so you get 13+x as your answer
Answer:
hope it helped
Step-by-step explanation:
2nd one is the answer
Hello.
400=(x+20)x is the equation or 400=x^2+20x
<span>(x+10)=square root of 500
</span>
<span>so x+10=10 radical 5
</span>
<span>final answer -10 + or - 10 radical 5=x
</span>
Have a nice day
Answer:
28 quarters and 5 dimes
7(Q)+5(D)
7(4)+5(10)
28Q 50D Q=quarters D=dimes
it would be more efficient to do the substitution method bc its faster and easier