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hjlf
3 years ago
10

The answer of this  3*(-7) is  -21

Mathematics
1 answer:
irinina [24]3 years ago
6 0
Yes, you are correct. The answer of 3*(-7) = -21
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A car travels at a speed of s miles per hour. It covers 126 miles in 3 hours.
makvit [3.9K]

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s=42

Step-by-step explanation: 126 divided by 3 = 42

42mph

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2 years ago
Choose the best description of the following number 18
Mrac [35]

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4.243

step by step explanation:

5 0
3 years ago
karen is 3 yrs younger than floyd. floyd is 2 years older than maria. marias age is the smallest two-digit number. how old are t
Alinara [238K]

Answer:

Maria is 10, Floyd is 8, and Karen is 5.

Step-by-step explanation:

Having said that Maria's age was the smallest two-digit number, that's ten. (10). If Floyd is 2 years younger then 10-2=8. Karen is 3 years younger, so she would be 8-3=5.

4 0
3 years ago
Identify the factor terms by grouping: 5x3 – 4x2 + 20x – 16
Elanso [62]
 5x3-4x2-20x+16=0 Three solutions were found : x = 4/5 = 0.800 x = 2 x = -2Reformatting the input :Changes made to your input should not affect the solution:
 (1): "x2"   was replaced by   "x^2".  1 more similar replacement(s).
Step by step solution :Step  1  :Equation at the end of step  1  :  (((5 • (x3)) -  22x2) -  20x) +  16  = 0  Step  2  :Equation at the end of step  2  :  ((5x3 -  22x2) -  20x) +  16  = 0 Step  3  :Checking for a perfect cube : 3.1    5x3-4x2-20x+16  is not a perfect cube 
Trying to factor by pulling out : 3.2      Factoring:  5x3-4x2-20x+16 
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1:  5x3+16 Group 2:  -4x2-20x 
Pull out from each group separately :
Group 1:   (5x3+16) • (1)Group 2:   (x+5) • (-4x)


I hope it helps
8 0
3 years ago
Read 2 more answers
Hmm which one? Need it asap and will gift brainlest for answer
Gala2k [10]

Answer:

divide 47.12 by 3.14

Step-by-step explanation:

that way it will give you an answe

6 0
3 years ago
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