2 years ago

1. If x= 3, what is the value of the following expression?

Mathematics

1 answer:

konstantin123 [22]2 years ago

3 0

Answer:

Step-by-step explanation:

just try to get a chance to

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Austin is on the swim team. Each week he swims a total of 3000 meters. How many kilometers does he swim each week?

marishachu [46]

Answer:

3 km

Step-by-step explanation:

(NOTE: One kilometer is 1000 meters)

Divide 3000 by 1000 to get 3

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2 years ago

Not understanding how to solve

valentinak56 [21]

Answer:16x-4. You add all the numbers with common terms first, such as all the xs together. Then you add all the numbers without an x in front and tada!

Step-by-step explanation:Above

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2 years ago

Fifteen 7th graders were asked how many hours they spend doing homework each week and how many hours they spend watching televis

timama [110]

Answer:

18 > 14, true

12 - 16 = -4, true

Mean:

Homework = (4 + 6*2+10*3+12*2+14*4+16*2+18)/15 = 11.73
Television = (0 + 10*3+12*1+16*3+18*4+20*3)/15 = 14.8

The difference:

14.8 - 11.73 > 1, NOT true

True

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2 years ago

Jaz was 43 inches tall. Eighteen months later she was 52 inches tall. Find the constant rate of change of jaz's height

notka56 [123]

Answer:

.5 inches a month

Step-by-step explanation:

52 - 43 = 9 inches

9/18 = .5

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2 years ago

Read 2 more answers

Solve each equation. 2y=7(y−2)+4 y = 4x=6−2(2−x) x =

aliya0001 [1]

Answer:

y=2 and x=1

Step-by-step explanation:

2y=7y-14+4

2y-7y=-14+4

-5y=-10/-5

y=2

4x=6-4+2x

4x-2x=6-4

2x=2/2

x=1

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2 years ago