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
EastWind [94]
3 years ago
15

Thomas calculates 9×7 by thinking avout it as 70-7=63. Explain thomas' strategy.

Mathematics
2 answers:
asambeis [7]3 years ago
6 0
Thomas uses the distributive property 

9 X 7 = (10 X 7) - (1 X 7) 
          = 70 - 7
          = 63

9 groups of 7 is equal to 10 groups of 7 subtract 1 group of 7.
madam [21]3 years ago
4 0
10 x 7 = 70
1 x 7 = 7
9 x 7 = 70 - 7
9 x 7 = 63
You might be interested in
Ir 9-6x=45, find the value of x-4
larisa86 [58]
9 - 6x = 45 
-9               -9
_____________
-6x = 54 
 
  x = -9 

________________________
So when you plug that answer into x-4 you get -9 -4, which equals -13. 
7 0
3 years ago
Read 2 more answers
If 5x-8w=9, then solve for x, in terms of w and z
babymother [125]

Answer:

Step-by-step explanation:

5x-8w=9    add 8w   : 5x-8w+8w = 9+8w

5x = 9+8w

now divid by 5 : x = (9+8w)/5

7 0
3 years ago
Read 2 more answers
PLZZZ HELPPP, IF NOT 100% SURE PLZ DONT ANSWER…BRAINLIEST TO FIRST AND CORRECT ANSWER, THX TO SECOND AND CORRECT ANSWER
Vladimir79 [104]

Answer:

2 batches

Step-by-step explanation:

We can divide 7 1/2 by 3 3/4 to get 2, so the factory made 2 batches of granola bars yesterday.

5 0
3 years ago
Y= x^2 + 2<br><br><br> SOLVE I need help
valentinak56 [21]
I think the answer is (0,2)
6 0
3 years ago
5. An alloy consists of 4 parts gold and 9 parts of silver. What amount of gold
julia-pushkina [17]

Answer:

yes it should be mixed 369

3 0
2 years ago
Other questions:
  • Use the midpoint formula repeatedly to find the three points that divide the segment joining (x1, y1) and (x2, y2) into four equ
    8·1 answer
  • John brought in chocolate bars for the third grade for winning the raffle there are thirty two students and only twenty five can
    11·2 answers
  • F(x)=4x+3 and h(x)=x^3 find (hof)(1)
    15·1 answer
  • SOMEBODY PLEASE HELP!!!!<br> GIVING 98 POINTS
    6·2 answers
  • Please help it is 6th grade math easy for you guys
    11·1 answer
  • Can someone help me with these to please I really need these rn ??
    6·2 answers
  • Which expression is equivalent to 2(8n)^4
    15·1 answer
  • it takes josh 40 minutes yo walk the dog it takes mike 80% as long to walk the dog how long does it take mike to walk dog
    10·2 answers
  • Translating shapes on a graph. ^^<br> Please need help, i need to complete this now :)) <br> &lt;3
    9·1 answer
  • What is cos 28 degrees
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!