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neonofarm [45]
3 years ago
10

Write the equation 2y - 4x = 5 in the form y = mx + b

Mathematics
2 answers:
KatRina [158]3 years ago
7 0
2y - 4x = 5.....add 4x to both sides
2y = 4x + 5....divide both sides by 2
y = 2x + 5/2 <==
Aloiza [94]3 years ago
4 0

Note the equal sign. What you do to one side, you do to the other. Isolate the y. Add 4x to both sides

2y - 4x (+4x) = 5 (+4x)

2y = 4x + 5

Next, divide 2 from both sides

(2y)/2 = (4x + 5)/2

y = 2x + 2.5

hope this helps

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What differentiable functions have an arc length on the interval [a, b] given by the following integrals? Note that the answers
Dafna1 [17]

Answer:

a) \pm 8\frac{x^{5}}{5}+C

b) \pm 4 sin(2x) + C

Step-by-step explanation:

Given integrals are:

a) \int\limits^a_b {\sqrt{{1+64x^{8}} } \, dx ---(1)

b) \int\limits^a_b {\sqrt{1+64cos^{2}(2x)} } \, dx---- (2)

Standard form

                L= \int\limits^a_b {\sqrt{1+(f'(x))^{2}} } \, dx

<h3>Part A</h3>

compare (1) with standard form

[f'(x)]^{2} = 64x^{8}\\f'(x)=\pm 8x^{4}\\f(x)= \pm8\frac{x^{5}}{5}+C

<h3>Part B</h3>

Compare (2) with standard form

[f'(x)]^{2}=64cos^{2}(2x)\\f'(x)= \pm 8cos(2x)\\f(x)=\pm 8\frac{sin(2x)}{2}+C\\f(x)= \pm 4sin(2x)+C

5 0
3 years ago
Help helphelpherllplpeleplpglhler
IRINA_888 [86]
1.) 10² + 4 · (6 + 3) - (27 ÷ 9) - 6 = 127 
For these types of questions, try to think of it like, well since the last number is negative 6, let me try to get everything before it to equal 133 so it will end up being 127. :)

2.) ( \frac{3}{5}  -  \frac{1}{2} ) ÷ \frac{1}{2} + 1.6·(0.3 + 0.42)
= 1/10 ÷ 1/2 + 1.6 · (0.72)
= 1/5 + 1.152
= 1.352
Remember that dividing a fraction by a fraction is like multiplying the coefficient of the second one to the original one.

3.) 15 · 1/2 ÷ 3/4
Remember that product is multiplication and quotient is division.

4.) \frac{(54 \frac{3}{10} - 11 \frac{7}{10}) }{3}
Remember that difference is subtraction and separating into three parts is like dividing it into three parts.


Hope this helped and ask me for further explanation! ^-^
5 0
4 years ago
Write an expression for the verbal phrase:
sdas [7]
The answer would be h^2*8

5 0
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