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ElenaW [278]
3 years ago
10

Write the expressions in standard form. SHOW ALL STEPS! The sum of 9t – 13 and the opposite of 9t.

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0

Answer:

-13

Step-by-step explanation:

Opposite of 9t = -9t

Taking the sum of 9t - 13 and -9t

Sum = 9t - 13 + (-9t)

Sum = 9t - 13 - 9t

Sum = 9t-9t - 13

Sum  = -13

Hence the expression in standard form is -13

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Tony collected 16.2 pounds of pecans from the trees on his farm.He will give the same weight of pecans to each of 12 friends.How
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5 0
4 years ago
Mrs. Dodson has a jar full of pennies and quarters. There are 120 coins in the jar worth a
Anton [14]

<em><u>Answer: 10.</u></em>

<em><u /></em>

<em><u>Step-by-step explanation:</u></em>

<em><u>DIVISION. 120/12.</u></em>

<em><u>That is hard! Here's a trick.</u></em>

<em><u>12x9= 99=9=108. Or 12x6=66+6=72.</u></em>

<em><u>We will stick with 12x9,  that equals 108.</u></em>

<em><u>We should add another 12 until we get to 120. </u></em>

<em><u>108+12=120. That is 10 times. The trick was...</u></em>

<em><u>dividing by 12 is hard, so lets say 12x4. I can put 4 and 4 together.</u></em>

<em><u>44 then and another 4. That is 48. So 12x4=48.</u></em>

<em><u /></em>

5 0
3 years ago
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