2 years ago

HELP PLSSSSSSSSSSSSSSS ASAP

Mathematics

2 answers:

makvit [3.9K]2 years ago

6 0

Answer:

Step-by-step explanation:

Sydney = x

Devaughn = 2x

x + 2x = 78

3x = 78

x = 78 / 3

x = 26

Hope that helps!

kherson [118]2 years ago

6 0

Answer:

what do you need help with

Step-by-step explanation:

You might be interested in

I need it ASAP! Will ran 3.23 km the first week and 4.15 km the second week. Chuck ran 8.75 km in two weeks.

andreev551 [17]

D. About 1.4 km hope this helps ;)

3 0

3 years ago

Salina is 63 inches tall. approximately how tall is she in centimeters?

salantis [7]

2.45cm=1 in
times both sides by 63
160.02cm=63 in

about 160cm

4 0

3 years ago

Suppose you saw 300 minutes of commercials this week. How many hours of commercials did you see

lukranit [14]

1 hour = 60 minutes/300 minutes (set up a ratio problem)

5 hours

8 0

3 years ago

Read 2 more answers

Part 2

cluponka [151]

Answer:

$\displaystyle f(t) = -16t^2 + 192t; Maximum$

Step-by-step explanation:

Maximum Value → Parabola opens downward [−A]

Minimum Value → Parabola opens upward [A]

See graph above

I am joyous to assist you anytime.

6 0

3 years ago

Read 2 more answers

Students in Mrs. Walsh's math class wanted to know the favorite snacks of students in the school. How could they generate a rand

denis23 [38]

There are several ways this can be accomplished. Students could survey every 20 students until they've asked 100 students, or they could ask 1 or 2 people at each cafeteria table during each lunch, just for examples.

8 0

3 years ago