The nearest thousand dollar is rounding the thousand value from its hundred value, which in this case is 4. Since 4 is less than half of 10, the thousand value must round down to $40000.

5 0

3 years ago

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The following formula relates three quantities: Force (F), mass (m), and acceleration (a).

Pachacha [2.7K]

(a) F=ma

a=F/m

(b) a=25/10

a=2.5

2.5*10=25

m=5

5*5=25

7 0

3 years ago

A child that is 1.4 meters tall is standing next to a flagpole. The child's shadow is 1.2 meters long. At the same time, the sha

koban [17]

The flag pole is $8.75 \: m$ or write it as $9 \: m$ tall.

Step-by-step Explanation:

Let "p" be the height of the flag pole.

The ratio of the child height to the pole height is the same as the ratios of their respective shadows, so,

$\frac{1.4}{p} = \frac{1.2}{7.5}$

Now, Cross multiply :-

$1.2 \times p = 1.4 \times 7.5$

→ $1.2 \times p = 10.5$

→ $p = \frac{10.5}{1.2}$

→ $p = 8.75$

This $8.75$ can be rounded off to $9$ as it ends with $.75$

So, the flag pole is <u>9 metres</u> tall.

5 0

2 years ago