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Paul [167]
2 years ago
7

here a subtraction problem that has been solved correctly for 68-59=9 but the choices is 9+68=77 68+9=77 9+59=68 which one is th

e addition sentence that checks the subtraction problem​
Mathematics
1 answer:
fredd [130]2 years ago
4 0

Answer:

  9+59=68

Step-by-step explanation:

Each subtraction problem has a dual addition problem that can be used for checking. In general, that dual problem will add the subtrahend back to the difference to get the minuend.

Here we have ...

  original problem: 68 -59 = 9

  dual problem for checking: 9 +59 = 68

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Nth term of the sequence 8,48,288
Kruka [31]

Answer:

<h2>        \bold{a_n=8\cdot\big6^{n-1}}</h2>

Step-by-step explanation:

a_1=8\\a_2=48\\a_3=288\\\\288:48=6\\48:8=6\\\\ \dfrac{a_2}{a_1}=\dfrac{a_3}{a_2}= 6

Therefore it's geometric sequence with common ratio of 6

a_n=a_1\cdot r^{n-1}\\\\a_1=8\\r=6\\\\a_n=8\cdot6^{n-1}

8 0
2 years ago
Please help me! I'm really stuck!
tatyana61 [14]

Answer:

13.6

Step-by-step explanation:

This is pythagoras theorem its c2 = a2+b2

13 squared + 4 squared is 185

the square root of 185 13.601

then rounded is 13.6

6 0
3 years ago
20% of 150 is what number?
tensa zangetsu [6.8K]
Answer=30

20%=20/100=0.2

150*.20=30
4 0
3 years ago
Read 2 more answers
What is 0.68 expressed as a fraction in simplest form? Both the 6 and the 8 repeat.
andreev551 [17]

Answer:

68/99

Step-by-step explanation:

.68686868686 repeating

Let x= .68686868668repeating

Multiply by 100

100x = 68.686868686repeating

Subtract x = .68686868repeating from this equation

100x = 68.686868686repeating

-x = .68686868repeating

------------------------------------------

99x = 68

Divide each side by 99

99x / 99 = 68/99

x = 68/99

3 0
3 years ago
A={b,l,o,u,s,e} and U={a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}.
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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