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2 years ago

Football practice starts at 5:45 P.M. and lasts for 80 minutes. What time does football practice end?

Mathematics

2 answers:

vagabundo [1.1K]2 years ago

6 0

Answer:

7:05 pm

Step-by-step explanation:

80 mins =1hr and 20 mins

5.45- 6.45= 1hr

6.45+ 20 mins=7:05pm

bija089 [108]2 years ago

4 0

Answer:

7:05

Step-by-step explanation:

We start with 5:45.

Add 60 minutes / an hour to get 6:45.

We have 20 minutes left to add.

Add 15 minutes to get 7:00.

Add 5 more to get 7:05.

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Select all the expressions that could represent the volume of a box, which is a third degree polynomial in variables x and y.

Citrus2011 [14]

Answer:

A and D

Step-by-step explanation:

Third degree polynomials refers to polynomials that has 3 as the greatest power of the variable.

A. 3 x y − 3 x y^2

Degree = 1 + 2 = 3

This option is correct

B 2y - xy^3 + 7

Degree = 1 + 3 = 4

This option is wrong

C. 3x^3y^2 -3x^2y + 10y^2 - 10y

Degree = 3 + 2 = 5

This option is wrong

D. 3x^2y+5xy

Degree = 2 + 1 = 3

This option is correct

E. 3y^3 + 3x^3 y^4

Degree = 3 + 4 = 7

This option is wrong

6 0

3 years ago

Check whether these statements are wff or not:(a) (p˅q) ∧∼r

Free_Kalibri [48]

Answer:

It is a well formed formula

Step-by-step explanation:

1 - p,q,r are well formed formulas.

2 - $p \ \lor \ q$ is a well formed formula as well.

3 - $\neg r$ is a well formula as well

4 - $(\ p \ \lor \ q) \ \land \ \neg r$ is a well formula as well.

4 0

3 years ago

24. Michael leaves his house at 0837 and travels by motorcycle to the railway station, which is 27 km from his

Neko [114]

Answer:

i) 45km/hr

ii)29 min

Step-by-step explanation:

average speed = distanced travelled / time elapsed

It took 36min and need to convert to hr

36min x $\frac{hours}{60 min}$ = $\frac{36 hr}{60 min}$ = $\frac{9 }{15 }$ hours

distanced travelled is 27 km;

average speed = 27km / (9/15hr) = 45 km/hr

Add 36min to 0837 becomes 0913, the train will arrive at 0942 and the wait will be the difference of 0942 - 0913 = 29 min

5 0

3 years ago

Marcy has 150 to buy packages of hotdogs and hamburgers for her booth at the carnival. Grocery store she found packages of hotdo

bekas [8.4K]

Answer:

Part (A): The required equation will be: $6d+20b=150$

Part (B):The required equation will be: $d=\frac{150-20b}{6}$

Part (C):The required equation will be: $b=\frac{150-6d}{20}$

Step-by-step explanation:

Consider the provided information.

Let d represents number of packages of hot dogs and b represents the number of packages of hamburgers.

Part (a)

It is given that the cost of a package of hot dogs is $6 and cost of a package of hamburger is $20.

The required equation will be: $6d+20b=150$

Part (b) Solve the above equation for d.

Subtract 20b from both sides.

$6d=150-20b$

Divide 6 from both sides.

$d=\frac{150-20b}{6}$

The required equation will be: $d=\frac{150-20b}{6}$

Part (c) Solve the equation for b.

Subtract 6d from both sides.

$20b=150-6d$

Divide 20 from both sides, we get

$b=\frac{150-6d}{20}$

The required equation will be: $b=\frac{150-6d}{20}$

6 0

3 years ago

Someone help me please

natali 33 [55]

Part A:
1) 16
2) -25
3) 9
4) -7

I'm too lazy to do the rest, just pay attention in class next time

5 0

3 years ago