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LiRa [457]
3 years ago
8

1,400 mm =How many centimeters

Mathematics
1 answer:
vlabodo [156]3 years ago
6 0

Answer:

140

Step-by-step explanation:

Each centimeter is 10 milimeters so we divide 1400 by 10 to convert to centimeters

I hope this helps and please don't hesitate to ask if there is anything still unclear!

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Katie is twice as old as her sister Mara. The sum of their ages is 24. Find their ages.
Alenkasestr [34]
So k=katie's' age
m=mara's age

k is 2 times as old as m
k=2m

sum is 24
add means sum
k+m=24

so we have
k+m=24 and
k=2m
subsitute
2m+m=24
add
3m=24
divide both sides by 3
m=8
subsitute again
k=2m
k=2(8)
k=16

katie=16
mara=8
4 0
3 years ago
To lose one pound of fat, a 200-pound person must burn 3,500 calories. If that person burns 180 calories by walking for 30 minut
SVEN [57.7K]

Answer:

C - 19 hours 27 minutes

Step-by-step explanation:

180 × 2 = 360

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3500 × 2 = 7000 (amount of calories in 2 pounds)

7000 ÷ 360 = 19.4444...


I hope this helps


4 0
3 years ago
brad converted 5/11 to a decimal, and his result was repeating decimal. does this mean that the value is rational or irrational?
Alina [70]

Answer: It means the value is rational

Step-by-step explanation:

Repeating decimals can be converted to fractions and rational numbers are numbers that can be expressed as a fraction  but irrational numbers cannot be expressed as a fraction and neither does it terminate or repeat.

4 0
3 years ago
In the right triangle shown, Angle A = 30° and AC = 18.
Komok [63]

Answer:

48

Step-by-step explanation:

Angle A plus AC and that adds up too 48

8 0
3 years ago
What is x<br> 135=-1+45x
dedylja [7]

Answer:

X = 3.02

Step-by-step explanation:

4 0
3 years ago
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