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My name is Ann [436]
3 years ago
8

Estimate the following sum by rounding each number to the nearest ten.

Mathematics
2 answers:
Stels [109]3 years ago
8 0

Answer:

180

Step-by-step explanation:

130+30+20=18

Lina20 [59]3 years ago
6 0

Answer:

180

Step-by-step explanation:

129.5 --> 130

34.62 --> 30

19.1 --> 20

130+30+20 = 180

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destiny sells pencil cases for $5 each and mechanical pencils for $2 each at the school supply store. she sells p pencil cases a
Andrew [12]

Answer:

Step-by-step explanation:

5p + 2(p + 4) .......because pencil cases (p) sell for 5 bucks a piece....and mechanical pencils (p + 4), sell for 2 bucks a piece. She is basically selling 4 more mechanical pencils then she is pencil cases.

8 0
3 years ago
Which term of ap 30,27,24is0
son4ous [18]

Answer:

11th term is 0

Step-by-step explanation:

30, 27 , 24 ,......0

a = first term = 30

Common difference = second term - first term = 27 - 30 = -3

nth term = a+(n-1)*d

a + (n-1)d = 0

30 + (n - 1) *(-3) = 0

30 + n*(-3) -1*(-3) = 0

30 - 3n + 3 = 0

      -3n + 33 = 0

               -3n = -33

                   n = -33/-3

n = 11

8 0
3 years ago
Help me please!!!!! I need help with angles
Salsk061 [2.6K]

Answer:

<CFE = 28

<RPQ = 53

Step-by-step explanation:

1)

<CFE + 152 = 180

<CFE = 180 - 152

<CFE = 28

2)

Complementary means the angles add up to 90 so:

<RPQ + 37 = 90

<RPQ = 90 - 37

<RPQ = 53

4 0
2 years ago
Authority is a mixture of conviction and _____. intelligence hardheadedness acuteness business skills
gavmur [86]
Intelligence is the answer

6 0
3 years ago
Read 2 more answers
Simplify.<br> 3/4 squareroot -48
zepelin [54]

Answer:

3i √3

Step-by-step explanation:

you can't have the square root of a negative number

so we use "i"

6 0
3 years ago
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