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alexandr1967 [171]

4 years ago

8

I live for walks at a rate of 4 mph she lives 2 miles from the news station how long will it take her to walk home from the news

station

1 answer:

Tresset [83]4 years ago

3 0

um half hour? because at 4mph youll get 4 miles in an hour so 2 miles, is half the rate which makes it half hour

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plzzz help A model train is on a track 100 cm from its starting point. Turning a switch displaces the train either forward or ba

Ad libitum [116K]

Answer: B. |x-100| = 25

Explanation:

Draw out a number line. Mark 75, 100 and 125 on the number line as points A, B, and C in that order. Don't worry about the spacing.

The value of x represents where the train is. So if we had say x = 85, then it would be at location 85 on the number line. Writing |x-100| is the distance from x to 100. The absolute value ensures the distance is never negative. We want this distance to be 25 because after traveling 25 cm, the switch is turned, and the train goes the other way.

6 0

3 years ago

Linear or nonlinear!?

NeTakaya

Answer:

nonlinear

Step-by-step explanation:

7 0

3 years ago

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Evaluate the expression when a= 4, b= - 2, and c= 7 - -> 5a - 9 (b - c)

ollegr [7]

Answer:

$65$

Step-by-step explanation:

Given the following question:

$5a-9(b-c)$
a = 4
b = 2
c = 7

In order to find the answer, we need to substitute the variables with the numbers given, and then solve using PEMDAS.

$5\times4-9\times(2-7)$
$2-7=-5$
$5\times4-9\times-5$
$5\times4=20$
$20-9\times-5$
$9\times-5=-45$
$20--45$
$20+45=65$
$=65$

Hope this helps.

8 0

3 years ago

Martha has saved 2,700 to share with her family . She divides one -third of her saving equally between her two children , lola a

VikaD [51]

Answer:

150

Step-by-step explanation:

one third of 2700 = 900

900/2 = 450

450/3 = 150

6 0

3 years ago

Write as a decimal fraction of a cm (a) 5 mm (b) 8mm

lys-0071 [83]

1 mm = 0.1 cm

(a) 5 mm

5 × 0.1 = 0.5

Fraction :- 5/0.5
5 ÷ 0.5 =10
Decimal:- 10

(b) 8 mm

8 × 0.1 = 0.8

Fraction:- 8/0.8
8 ÷ 0.8 = 10
Decimal:- 10

8 0

3 years ago

Read 2 more answers