Answer:
<u>t = t₀ - 3n</u>
Step-by-step explanation:
Let t be the temperature and t₀ be the initial temperature of the day
Let n be the number of hours after the initial temperature ( t₀) was registered
Let -3 be the constant of change of temperature ( In 4 hours it went down 12 degrees)
Now, let's write down the expression that shows the temperature change each hour, this way:
t = t₀ - 3n
After 2 hours
t = t₀ - 3 * 2 = t₀ - 6
After 5 hours
t = t₀ - 3 * 5 = t₀ - 15
After 3 hours and 30 minutes
t = t₀ - 3 * 3.5 = t₀ - 10.5
Answer:
20 is correct answer
Step-by-step explanation:
8+3×4
=8+12
=20
<em>Reme</em><em>mber</em><em> </em><em>always</em><em> </em><em>foll</em><em>ow</em><em> </em><em>bodmas</em><em> </em><em>rule</em><em> </em>
hope it helped you:)
thanks!
Answer:
Step-by-step explanation:
<u>We know that:</u>
- Some squares are 100% shaded, and some are half shaded.
- Half shaded squares: 10 squares
- 100% shaded: 20 squares
- Area of figure = Area of half shaded + Area of 100% shaded
<u>Solution:</u>
- Area of figure = Area of half shaded + Area of 100% shaded
- => Area of figure = (10 x 1/2) + 20
- => Area of figure = 5 + 20
- => Area of figure = 25 units²
Hence, the area of the figure is 25 units².
Answer:
Step-by-step explanation:
im sry if this is incorrect but this is all i could make out of it :(
Solution:
The Quadratic polynomial in variable x is :
→ 6 x² + x -7
Breaking the middle term i.e term containing variable x
= 6 x² + 7 x - 6 x -7
= x ( 6 x +7) - 1 (6 x +7)
= (6 x + 7)(x-1)→→→Factor of 6 x² + x -7
