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garri49 [273]
3 years ago
14

Explain how you can use the distributive property and mental math to find 5 x 198

Mathematics
1 answer:
viktelen [127]3 years ago
7 0
Answer is 990
I hope It is the right answer
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Sandy is working with a carpenter to frame a house. They are using 8 foot long boards but each board must be cut to be 7 feet, 1
quester [9]
The answer is 5/4 in

The initial length:
1 ft = 12 in
8 ft = 8 * 12 in
      = 96 in

The final length:
7 ft 10 3/4 in = 7 ft + 10 in + 3/4 in
                     = 7 * 12 in + 10 in + 3/4 in
                     = 84 in + 10 in + 3/4 in
                     = 94 in + 3/4 in

The cut if the initial length - final length:
96 in - 94 in - 3/4 in = 2 in - 3/4 in = 8/4 in - 3/4 in = 5/4 in
7 0
3 years ago
Reduce the ratio 8/12 to the lowest terms
Tanya [424]
The answer is 2/3
I hope this works for you :)
5 0
3 years ago
How can victoria justify step 3 of her work
Wittaler [7]
A little more info please?
4 0
3 years ago
Read 2 more answers
1#
Vikentia [17]
#1. A- the square would have the greatest perimeter.
4 0
3 years ago
Read 2 more answers
Will adding a negative number to another integer always result in a negative sum? Why?
Ghella [55]

Answer:

  D  No, the integer with the larger absolute value always determines the sign of the sum.

Step-by-step explanation:

Suppose the integer you start with is +3. Adding -1 or -2 or -3 to that will result in 2, 1, or 0, none of which are negative. Only when you add a negative number with an absolute value greater than 3 will you get a sum that is negative. That is, <em>the number in the sum that has the largest absolute value determines the sign of the result</em>. (This is most important when the signs differ, but it is also true when the signs are the same.)

7 0
3 years ago
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