If the teams best time for the race isn’t less than 4 minutes, then the eighth graders earn 40 points. If not, seventh earn 40 points. Which grade should be awarded 40 points The time for each team is 56.81, 59.22, 57.39, and 60.11

Answers

Answer 1
Answer:

The team’s best time for the race is 3.89.

What is average?

Average is the quotient obtained by dividing the sum total of a set of figures by the number of figures.

Given that, the eighth graders are running a baton relay race with three other classmates. The team’s top speed for each leg is 56.81 seconds, 59.22 seconds, 57.39 seconds, and 60.11 seconds.

The team’s best time for the race is

56.81 + 59.22 + 57.39 + 60.11 = 233.53

1 min = 60 sec

Therefore,

233.53/60 ≈ 3.89

Hence, the team’s best time for the race is 3.89.

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Answer 2
Answer:

Answer:

Of course the seventh graders

Step-by-step explanation:

the sum of all four times are not bigger than four minutes into seconds(4*60=240)


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Use the figure to find each ratio in simplest form.PO/PS=

2/5
3/5
3/8

Answers

Answer:

3/5

Step-by-step explanation:

PO/OS=6/10=(3*2)/(5*2)=3/5

Answer:

The answer is 3/5

Simplify: -3(4x - 5)12x -15
12x + 15
-12x + 15

Simplify: -5x + 8 - 11x - 12
-16x - 4
16x + 4
16x - 4

2(4x - 8) - 10
8x + 26
8x - 26
-8x - 26

Answers

Answer:

8x - 26 \n -16x - 4 \n -12x + 15

Step-by-step explanation:

2(4x - 8) - 10

8x-16- 10

|_______|

8x - 26

-5x + 8 - 11x - 12

_______________

_______

-16x - 4

-3(4x - 5)

-12x+15

For the third and first exercises, you just use the DistributiveProperty,and for the second exercise, all you are doing is combining like-terms.

I am joyous to assist you anytime.

What is a 4.16 as a fraction

Answers

We can see that the ".16" takes up two place values after the decimal point this means that it is 16 hundredths or (16)/(100). 4.16 as a fraction can therefore be written as 4(16)/(100) or if you want it simplified, 4(4)/(25).

Determine which of the cross section shapes are possible for a right rectangular pyramid,where the length and width of the base are not equal.Select all that apply
A)Circle
B)Hexagon
C)rectangle
D)Square
E)Trapezoid
F)Triangle

Answers

C)Rectangle, E)Trapezoid, F)Triangle
These shapes' cross sections have the length and width of their bases which are not equal

What is the length of PQ round to the nearest tenth of a unit p(-3 ,7) q(6 ,1)

Answers

Answer: The approximate length of PQ is 10.8 unit.

Step-by-step explanation:

Here the coordinates of point P are (-3,7) and the coordinates of Q are (6,1)

Thus, by the distance formula,

The distance between the points P and Q is,

PQ = √((6-(-3))^2+(1-7)^2)

=\sqrt{(6+3)^2+(-6)^2

=√(9^2+ 36)

=√(81+36)=√(117)=10.8166538264\approx 10.8

Thus, the approximate length of PQ is 10.8 unit.

Answer:10.8 units

Step-by-step explanation:

Diya and Leo both write the decimal 2.15 repeating as a fraction. Diya's fraction: 97/45 Leo's fraction: 97/5 Who wrote the correct fraction?

Answers

We can solve this without counting too much, like this:

When we look st Diya's fraction: it's about 2 : you can see that the top number is about twice as big as the lower one (compare 90 and 40 for this, 90 is a little more than twice 40)

When we look at Leo's fraction: 97 is a lot more than twice 5!!! To simplify compare 90 and 5: it is definitely at least 10 times bigger (actually 18).

So even if we just "look at" the fractions; Leo's fraction seems too big to be 2.(15).

In fact, his fraction is equal to 19.4

Diya was right!

(and 97/45 is exactly 2.(15).