athematics *Draw the bar graph and pictograph for the following data. Colour Choice Red Blue Green Yellow Orange No. of Students 16 36 8 24 20 * Convert the following:- a) 30° C into F b) 113° F into °C c) 36 Km/hr into m/s d) 45 m/s into Km/hr​

Respuesta :

answer

Let's address each part of your question:

1. **Drawing the Bar Graph and Pictograph**:

  - Bar Graph: We'll represent the number of students for each color choice using rectangular bars.

  - Pictograph: We'll use symbols or pictures to represent the number of students for each color choice.

2. **Conversions**:

  a) Convert \(30^\circ C\) to \(F\) using the formula \(F = \frac{9}{5}C + 32\).

  b) Convert \(113^\circ F\) to \(C\) using the formula \(C = \frac{5}{9}(F - 32)\).

  c) Convert \(36 \, \text{km/hr}\) to \(m/s\) by multiplying by \(\frac{5}{18}\) (since \(1 \, \text{km/hr} = \frac{5}{18} \, \text{m/s}\)).

  d) Convert \(45 \, \text{m/s}\) to \(km/hr\) by multiplying by \(\frac{18}{5}\) (since \(1 \, \text{m/s} = \frac{18}{5} \, \text{km/hr}\)).

Let's proceed with each step:

### Bar Graph and Pictograph:

| Color Choice | Red | Blue | Green | Yellow | Orange |

|--------------|-----|------|-------|--------|--------|

| No. of Students | 16 | 36 | 8 | 24 | 20 |

Now, let's draw the bar graph and pictograph using this data.

### Conversions:

a) \(30^\circ C\) to \(F\):

  \[F = \frac{9}{5}(30) + 32 = 54 + 32 = 86^\circ F\]

b) \(113^\circ F\) to \(C\):

  \[C = \frac{5}{9}(113 - 32) = \frac{5}{9}(81) = 45^\circ C\]

c) \(36 \, \text{km/hr}\) to \(m/s\):

  \[36 \, \text{km/hr} \times \frac{5}{18} = 10 \, \text{m/s}\]

d) \(45 \, \text{m/s}\) to \(km/hr\):

  \[45 \, \text{m/s} \times \frac{18}{5} = 162 \, \text{km/hr}\]

These are the conversions for the given values.

Let me know if you need assistance with drawing the graphs or further clarification on conversions!