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DENIUS [597]
2 years ago
14

At midnight, the temperature was 30 degrees Fahrenheit. By 6:00 am, IT had dropped 5 degrees Fahrenheit and by noon, it had incr

eased by 11 degrees Fahrenheit. WHAT was the temperature at noon? Please explain
Mathematics
1 answer:
Allisa [31]2 years ago
4 0
At noon, the temperature was 36 degrees. At midnight, the temperature was 30 degrees. By 6:00 am it drooped 5 degrees. Since it dropped 5 degrees, you subtract 5 from 30, which equals 25. It then increased by 11 degrees. Since the temperature increased, you add 11 to 25, which equals 36. At noon, the temperature was 36 degrees.
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vodka [1.7K]
Treat it as a fraction where it must stay equal
6/54
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so 6/54=1/9=2/18=3/27=4/36=5/45 etc

but don't forget to convert back to ratios
so some examples are 1:9
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4 0
3 years ago
Polygon ABCD is a rectangle what is the area
Andre45 [30]

Solution:

As, You have Written Polygon ABCD is a rectangle.

It is a Four sided Polygon , having all it's interior angles equal to 90°.As well as Opposite sides are equal(AB=CD,AD=BC), equal diagonals(AC=B D).

Join any of the diagonal of Rectangle either AC or B D.

In Right Δ ABC , Right angled at B

{\text{Area (Right triangle ABC)}} =\frac{1}{2}\times AB \times BC---(1)

In Right  Δ ADC  , Right angled at D      

{\text{Area (Right triangle ABC)}} =\frac{1}{2}\times AD \times DC---(2)

Adding (1) and (2) that is LHS to LHS and RHS to RHS

Ar( Δ ABC) +Ar( Δ ADC)=\frac{1}{2}\times[ AB \times BC+ AD \times DC]\\\\=\frac{1}{2}[2 \times AB \times BC][\text{As, AB=CD, and BC=AD}]\\\\ = AB \times BC

So, Area of Rectangle= Product of any two Adjacent Sides

7 0
3 years ago
Solve the system of equation 8x+5y=24<br> y=-4x​
Natasha_Volkova [10]

Answer:

x=-2, y=8. (-2, 8).

Step-by-step explanation:

8x+5y=24

y=-4x

----------------

8x+5(-4x)=24

8x-20x=24

-12x=24

x=24/-12

x=-2

y=-4(-2)=8

8 0
3 years ago
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Answer:

Step-by-step explanation:

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4 0
3 years ago
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Aleksandr [31]

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7 0
3 years ago
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