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Ipatiy [6.2K]
3 years ago
11

dennis ran a mile in 593.7 seconds.martina ran a mile in 573.36 seconds. what was the difference in their running times? A-5.14

s B-6.01 C - 20.34 s D -26.01 s
Mathematics
2 answers:
Svetlanka [38]3 years ago
8 0

subtract them

593.7-573.36 = 20.34seconds

 so c is the answer


harina [27]3 years ago
4 0
C- subtract Martina's from Dennis's.
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A baker has 6 small bags of flour. Each bag weighs 1 pound. She divides each bag into thirds. How many 1/3 - pound bags of flour
lana [24]

Answer:

18 smaller bags

Step-by-step explanation:

Each one pound bag becomes 3 one-third pound bags.

So 6 one pound bags will become 6×3=18 one-third pound bags.

5 0
3 years ago
Which correlation coefficient will most likely describe the relationship between frequency of teeth brushing and the number of c
abruzzese [7]

Answer:

The correct approach is "-62". A further explanation is described below.

Explanation:

  • A dependent variable could be seen since the blackheads become triggered whenever some substance or material is deposited between some of the teeth.
  • Humans don't brush their teeth frequently, but there is still a significant possibility of decay, so cavities differ depending upon whether the specific teeth become brushed.
3 0
2 years ago
One of the interior angles of a regular polygon is 144. fine the number of sides of the polygon ​
lora16 [44]

Answer:

10

Step-by-step explanation:

In any polygon

exterior angle + interior angle = 180° , thus

exterior angle + 144 = 180 ( subtract 144 from both sides )

exterior angle = 36°

The sum of the exterior angles = 360°

Thus number of sides n is calculated as

n = 360 ÷ 36 = 10

3 0
2 years ago
Read 2 more answers
Use Euler's formula to find the missing number<br> vertices: 16<br> edges: 43<br> face:???
mrs_skeptik [129]

Answer:

The number of faces is 29

Step-by-step explanation:

we know that

The Euler's formula state that, the number of vertices, minus the number of edges, plus the number of faces, is equal to two

V- E + F = 2

In this problem we have

V=16

E=43

Substitute in the formula and solve for F

16- 43 + F = 2

-27 + F = 2

F = 2+27

F = 29

6 0
3 years ago
Sandra is 4 feet tall. Pablo is 10% taller than Sandra, and Michaela is 8% taller than Pablo.
RoseWind [281]
Height of Sandra that is already mentioned in the question is = 4 feet
Percentage by which Pablo is taller than Sandra = 10%
Height by which Pablo is greater than Sandra = (10/100) * 4
                                                                         = (4/10)
                                                                         = 0.4 feet
Then height of Pablo is = 4 + 0.4
                                     = 4.4 feet
Now we can find the height of Michaela as she is 8% taller than Pablo.
Percent by which Michaela is taller than Pablo = 8%
Height by which Michaela is greater than Pablo = (8/100) * 4.4
                                                                            = (2 * 4.4)/25
                                                                            = 0.35 feet
Then the height of Michaela = (4.4 + 0.35) feet
                                             = 4.75 feet
So height of Michaela is 4.75 feet. This is the way this problem has to be solved.
7 0
3 years ago
Read 2 more answers
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