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Oxana [17]
3 years ago
5

Convert 39°C to degrees Fahrenheit.

Mathematics
1 answer:
posledela3 years ago
6 0

Given a temperature C in celsius, you can convert it to Fahrenheit by using the formula

F=32 + \dfrac{9C}{5}

In your case C=39, so you have

F = 32 + \dfrac{9\cdot 39}{5} = 32+70.2=102.2

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Simplify 7 square root of 3-4 square root of 6 plus square root of 48 minus square root of 54
raketka [301]

Answer:

B) 11√3 - 7√6

Step-by-step explanation:

√48 can be simplified to <em>4√3</em>, and √54 can be simplified to <em>3√6</em>.

The equation is now <em>7√3 - 4√6 + 4√3 - 3√6</em>.

This can be grouped into <em>(7√3 + 4√3) + (-4√6 -3√6)</em>.

We get 11√3 - 7√6.

6 0
3 years ago
3x + 7 = -3x -2<br> How many solutions does this equation have
galina1969 [7]
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3 0
3 years ago
Select the quadratic equation that has roots x=8 and x=-5
stellarik [79]

Step-by-step explanation:

Since, x=8 and x=-5 are the roots.

Therefore, (x - 8) & (x - 5) will be factors.

Hence, required quadratic equation can be given as:

(x - 8)(x - 5) =0 \\  \\  \therefore  {x}^{2}  + ( - 8 - 5) x+ ( - 8) \times ( - 5) = 0 \\  \\ \therefore  {x}^{2}  + ( - 13) x+ 40= 0  \\  \\ \huge \red{ \boxed{ \therefore  {x}^{2}  - 13x+ 40= 0 }} \\ is \: the \: required \: quadratic \: equation.

5 0
3 years ago
What is the value of x x=m x-3
Naddik [55]
If x=mx-3 (which is not clear from your input),
                                                                                               3
then x-mx = -3, or mx-1x = 3, and x(m-1) = 3, and so x = ---------
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3 0
4 years ago
Find the product: 9x(x3-4x2-3x)
Andre45 [30]

Answer:

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Step-by-step explanation:

assuming those are exponents

7 0
3 years ago
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