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Len [333]
3 years ago
7

Rearrange the formula to make x the subject:

%204%7D%20" id="TexFormula1" title="y = \frac{x + 2}{x - 4} " alt="y = \frac{x + 2}{x - 4} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

Rearranging Formula. This unit covers rearranging formulae. The manipulation of algebraic expressions is an important ... Changing the subject of a formula .

Step-by-step explanation:

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MUST BE CORRECT ANSWER HELP ASAP
Nina [5.8K]

Answer:

40287600 = B. 4 x 10^{7}

Step-by-step explanation:

<u>We first have to do the multiplication of the numbers given:</u>

19 * 2,120,400

=> 40287600

<u>Now we have to figure out how many digits are after the number 4:</u>

4, 0 2 8 7 6 0 0

7 digits

Meaning that we need an exponent of 7 for it to be in scientific notation, giving us with the answer B. 4  x 10^{7}

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A new mixture of​ self-tanning &amp; moisturizing lotions for everyday use is being developed. This mixture is made by mixing 90
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I don't know but i need points so thanks
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3 years ago
PLEASE HELP!<br>Calculate $40^{13} \pmod{85}.$
SVEN [57.7K]
In this type of calculations, we decompose 13 by checking the lowest powers of the base, that is 40. for example we check 40^2, or 40^3 and compare it to 85

Notice

40*40*40=64,000

so we check how many time does 85 fit into 64,000:

64,000/85=752.94

85*753=64,005;       64000-64,005=-5

this means that 

40^{3} =-5\pmod{85}

thus

40^{13} =40^{3*4+1}={(40^{3})}^{4}*40=(-5)^{4}*40 \pmod{85}=\\\\625*40\pmod{85}=(7*85+30)*40\pmod{85}=30*40\pmod{85}\\\\=1200\pmod{85}=(14*85+10)\pmod{85}=10\pmod{85}


Answer: 10 (mod85)

Remark, the set of all solutions is:

{......-75, 10, 95, .....}, that is 85k +10
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Ganezh [65]

Answer:

-1 is the answer

Step-by-step explanation:

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2 years ago
Read 2 more answers
2y=x+6 2y-x=6 how do i solve following the system of equations
Margarita [4]

2y = x + 6 \\  \\ 1. \: 2y - 6 = x \\ 2. \: x = 2y - 6 \\  \\  \\ 2y - x = 6 \\  \\ 1. \:  - x = 6 - 2y \\ 2. \: x =  - 6 + 2y \\  3. \: x = 2y - 6

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3 years ago
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